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Medicinal plants, traditional medicine, markets and management in far-west Nepal



Modern therapeutic medicine is historically based on indigenous therapies and ethnopharmacological uses, which have become recognized tools in the search for new sources of pharmaceuticals. Globalization of herbal medicine along with uncontrolled exploitative practices and lack of concerted conservation efforts, have pushed many of Nepal's medicinal plants to the verge of extinction. Sustainable utilization and management of medicinal plants, based on traditional knowledge, is therefore necessary.


After establishing verbal informed consent with participating communities, five field surveys, roughly 20 days in duration, were carried out. In all, 176 schedules were surveyed, and 52 participants were consulted through focus group discussions and informal meetings. Altogether, 24 key informants were surveyed to verify and validate the data. A total of 252 individuals, representing non-timber forest product (NTFP) collectors, cultivators, traders, traditional healers (Baidhya), community members, etc. participated in study. Medicinal plants were free-listed and their vernacular names and folk uses were collected, recorded, and applied to assess agreement among respondents about traditional medicines, markets and management.


Within the study area, medicinal herbs were the main ingredients of traditional therapies, and they were considered a main lifeline and frequently were the first choice. About 55% plants were ethnomedicinal, and about 37% of ethnomedicinal plants possessed the highest informant consensus value (0.86–1.00). Use of Cordyceps sinensis as an aphrodisiac, Berberis asiatica for eye problems, Bergenia ciliata for disintegration of calculi, Sapindus mukorossi for dandruff, and Zanthoxylum armatum for toothache were the most frequently mentioned. These species possess potential for pharmacology.


Medicinal plants are inseparable from local livelihoods because they have long been collected, consumed, and managed through local customs and knowledge. Management of traditional therapies is urged, because the therapies are empirically and knowledge based, often culturally inherited and important to pharmacology and local livelihoods. However, traditional therapies are currently being eroded due to changing lifestyles, perceptions, social transformations, and acculturation.


Nepal is ranked as 9th among the Asian countries for its floral wealth with an estimated 9,000 species of flowering plants [1]. So far, 6,653 species of flowering plants have been reported [2]. Among these, about 50% fall under the rubrics "useful" [3] and "ethnobotanical" [4], and about 25%–50% are ethnomedicinals [5, 6]. Catalogues have recorded 1,792 [7] to 2,331 [8] useful medicinal and aromatic plants in Nepal, reporting their importance in alleviating human suffering because they have long been used for subsistence, home remedies, and traditional therapies [58]. These plants are also important for local livelihoods [9] and income generation [10], and they do fetch higher market prices [11].

National and regional demands for herbal medicine are accelerating [12, 13], and globalization of herbal medicine, along with uncontrolled exploitative practices and lack of concerted conservation efforts, now threaten the country’s medicinal plants [14, 15]. Numerous drugs have been introduced to international markets [16] through validation of traditional medicines [17], indigenous therapies [18, 19], and ethnopharmacological practices [20]. Sustainable utilization and management of medicinal plants based on traditional knowledge is therefore necessary. It is imperative that the medicinal plants, their traditional uses, and management practices be catalogued as part of a larger conservation effort toward "rescuing a global heritage" [21]. This effort should acknowledge empirical data and ethnoecological knowledge [22, 23]. Far-west Nepal is the least studied area in Nepal [20]. The present study was thus an attempt to catalogue the important medicinal plants of Far-west Nepal along with their traditional uses and management interventions.


Study area

Three districts along the western border of Nepal—Baitadi, Darchula, and Dadeldhura—were selected for the present study. The districts extend between 29°01’–30°15’ N latitude and 80°15’–81° 09’ E longitude; their elevation ranges between 257 m and 7132 m above sea level. In Dadeldhura, the following villages were visited: Jogbudha, Rupal, Sirsha and Sadani. In Baitadi, the villages of Siddeswor, Siddnath, Patan, and Pancheswor were visited. In Darchula, the villages of Maikholi, Khar, Khalanga, Rapla, Dumling, and Gokuleswor were visited. Community forests and their user groups were consulted in the villages of Sigas, Rameswor, Madhu, Bhumi Raj and Trishuli (Baitadi district); Tham and Dumling (Darchula district); and Shivsundari, Trishuli Mahila, Parshuram, and Siddnath (Dadeldhura district). National forests were assessed at Jogbudha and Deurali (Dadeldhura district); Pancheswor and Melauli (Baitadi district); and Gokuleswor and Rapla (Darchula district). Local markets and traders were consulted in Amargadhi and Bagarkot (Dadeldhura district); Khalanga and Dumling (Darchula district); and Khodpe, Patan, and Melauli (Baitadi district). Due to variations in altitude, topography, and bio-climate in Far-west Nepal, the diversity of medicinal plants and knowledge of their utilization varied widely.

There are a number of ethnic groups in this region, dominated by the Kshetri (more than 57%), Brahmin (about 20%), Kami (6%), Sarki (3%), Mahar (2%), and a few others within the study area. The first two groups are relatively privileged [24], the Kami and Sarki are categorized as Dalits, and the Mahar and others are categorized as Janajati, based on the socio-cultural and class system of Nepal. The Dalits and Janajati groups are receiving special easy access opportunities provided by the government (Figure 1).

Figure 1

Study area map with details of study sites.

Field surveys and data collection

After establishing verbal informed consent with the participating communities, five field surveys, roughly 20 days in length, were carried out in different seasons: Spring surveys were conducted in May 2006 and March–April 2008; summer surveys were conducted in August 2009; and winter surveys were conducted in December 2006 and February 2007. Field visits were not carried out in Autumn, because it is festival season in Nepal. The primary methods of data collection consisted of group discussions, informal meetings, schedule surveys, and field observations. In all, 176 schedules were surveyed and 52 participants were consulted in focus group discussions and informal meetings. Informal meetings were held in villages during the evening, while team members were staying with local communities. Altogether, 24 key informants were surveyed to verify and validate data and information [25]. A total of 252 individuals, representing NTFP collectors, cultivators, traders, traditional healers (Baidhya), community members, etc. participated in the study. In particular, elderly people, forest guards, and women representing different ethnic groups, castes, and occupations were encouraged to participate. Among the participants, 60% were Kshetri, 20% Brahmin, 12% Janajati (Chaudhary, Mahar, etc.) and 8% Dalits (Chuhar, Bijale, Lawad, Pariyar etc.). Twenty one percent of participants were women. There were altogether 88% respondents from Kshetri, Brahmin, and Dalits, and the similar account of ethnic groups was also found in three study districts [26].

All species encountered during participatory field observations were free-listed, and vouchers of medicinal plant species were collected during the day and displayed in the evening for discussions. Most of the species were identified in the field using references [27, 28]. Common species that were frequently seen, spot-identified by study team members and local assistants, and well known by their dialect names were used only for discussion; no voucher specimens were collected for further identification. The remaining unidentified species were vouchered and stored in the National Herbarium and Plant Laboratories (KATH), Godawari, Lalitpur, Nepal. The collection of voucher specimens, along with additional information, was facilitated by local assistants. Data and information were sought on the interest of collectors/cultivators, their household economy, and their patterns of use and management of medicinal plants, etc. A wealth index was established, and active involvement of people in medicinal plant cultivation, collection and trade, as well as the net cash income of consecutive two years (2006 and 2007), were analyzed following the literature [2932]. Vernacular names and folk uses of voucher specimens were collected and used to assess consensus among respondents [33]. Matching information from at least three respondents (mentions) was counted as a common response for analysis. The species were assessed for informant consensus value (ICV), and species with more than 0.85 ICV were considered for further analysis.

Results and discussion

This study recorded the use of 238 plant species, which were distributed among 209 genera and 92 families. Of these, 132 species (55%) had an ethnomedicinal use. The families Asteraceae, Fabaceae, and Euphorbiaceae, and the genera Euphorbia, Ficus, and Swertia were significant sources of ingredients for folk remedies. Asteraceae and Fabaceae each contributed seven species, followed by six species from Euphorbiaceae. There were three species used as ethnomedicinals from Ficus, and two species used from Euphorbia, Rhododendron, and Swertia. The ethnomedicinal species were assessed for informant consensus value (ICV). A total of 49 plant species were found to have more than three responses (mentions) and an ICV greater than 0.85 (Table 1), indicating that they are worthy of pharmacological study.

Table 1 Diseases/disorders, plant parts in use and mode of preparations

Collection of medicinal plants

Community forests were the main sources of collection of medicinal plant products. We recorded that 49.5% collections were gathered from community forests and 18.5% from government-managed forests. The latter have been exploited as open-access free commodities, therefore their contribution to furnishing provisional products to local communities has been gradually declining. We found that only about 33% of the collections were used for subsistence (primarily as ingredient for folk remedies and food). The rest (about 67%) was sold, thanks to increasing market prices of the wild crafted products. Collection for the market was the predominant reason behind collection in Nepal [34] and India [35]. Marketing of medicinal plant products is important to address the need for household commodities; the study area is rural and distant from road transport.

Since forests of the Himalaya are the richest habitat for medicinal plants [36] and a common property resource in Nepal [37], Dalits and Janajati groups within the study area were frequent collectors, and they gathered a disproportionate amount of forest products—particularly medicinal plants to address their subsistence and accessory needs. The overall increasing trend in collection and consumption was 16%. The increase in the number of collectors per annum was about 10% for the Brahmin and Kshetri, 35% for the Janajati, and 40% for the Dalits. The trend was consistent with their dependency, as the Dalits are more dependent on forests [38]. Such increases were attributed to the expansion of commercial demand for medicinal plants and higher market prices.

All family members of local farmers and traditional healers were generalist collectors, but their children and elders were sometimes used in collection of forest products from nearby and accessible areas. Most household heads that have been collecting plants/products since infancy use their children for support. We found that about 20% of the collectors were children, but their involvement was limited, particularly to private farmlands, lower elevations, and accessible areas. Children were guided to collect produce and products of Prinsepia utilis, Rhus parviflora, Murraya koenigii, Zanthoxylum armatum, Berberis asiatica, Centella asiatica, etc. In particular, children were trained to collect the leaves and fruits of useful species. Children and elders were most seldom used in the collection of high-value medicinal plants and products found at higher elevations, such as Cordyceps sinensis, Morchella species, etc., thanks to the climatic and physiographic adversity associated with their collection. The species valued for their rhizomes and bark were commonly uprooted or debarked by elderly groups. There was a range of collection of medicinal plants in each household (N = 252) from 0.6 Kg to 720 Kg of fresh products.

Besides forests, private farmlands were also important in the supply of medicinal plant products. About 32% of collections of medicinal plant products were from private farmlands. In some private farmlands, plants such as Sapindus mukorossi, Z. armatum, Phyllanthus emblica, and Swertia chirayita, which fetch good market prices, were intentionally cultivated. Other medicinal plants that occur naturally in farmlands were Pyrus pashia, Ficus hispida, Acmella calva, Amaranthus viridus, Choerospondias axillaris, etc. These plants were under-utilized [39].

Marketing of medicinal plants

As shown by Olsen and Larsen [20], the livelihoods of people of western Nepal heavily depend on the collection and trade of medicinal plants. Within the three districts that were studied, a total of 42 species or products were found to be collected and traded for both subsistence and commercial purposes (Table 2). The data ranged from 40 for Baitadi to 36 for Darchula and 28 for Dadeldhura. Twenty two items were common to all three districts. Earlier reports indicated that the number of traded species in and around the study area was between 26 and 42 [31, 32]. The numbers for Nepal as a whole are between 125 and 178 [4042].

Table 2 List of species/products traded from districts

An average of 20,000 tons of raw materials, worth between $8.6–$27 million ($US) annually, are traded and/or exported from Nepal [43, 44]. However, official records only record a much lower volume (25%–50%). Of the five political divisions in Nepal (East, Central, West, Mid-west and Far-west), the Far-west contributes about 20% of the total volume of medicinal and aromatic plants traded from country. The three study districts (Baitadi, Dadeldhura, and Darchula) alone contribute 17.4% of the country’s total traded volume; this accounts for 78% of the Far-west trade [45]. Among the three study districts, Baitadi is rich in medicinal and aromatic plants and alone contributes about 10% of the national traded volume. S. mukorossi and Z. armatum were the species traded in the largest volume in the country, and both the species are indigenous to western Nepal.

Income from medicinal plants comprised a significant portion (20%) of the annual cash income of local people in study area. It was computed against different wealth indices, and it represented the highest percentage of income for the Janajati and Dalits groups, which was consistent with their gradual increase in numbers per annum. The annual increase in income from medicinal plant collection and cultivation was shown to go from N.Rs. 4,223 in 2006 to N.Rs. 5,802 in 2007. A similar increase was also noted by Acharya and Tamrakar [30] from N.Rs. 1,326 in 2005 to N.Rs. 9,290 in 2009. In other parts of Nepal, the contribution of medicinal plants to annual cash income was about 15% [43, 44], and in some cases was as high as 30%–50% [18].

Traditional use

A total of 49 species possessed an ICV more than 0.85, and all these species possessed matching information from at least 20 respondents (mentions). Use of plants for treatment of 60 ailments in 13 disease categories was recorded following Phillips and Gentry [46] (Table 1). Digestive system disorders were frequent and their treatment with locally available medicinal plants was the most consistent with the findings of Kumar et al.[47]. Informants described the usefulness of 44 species for digestive disorders (Table 1). There was a broad consensus for the use of C. sinensis as an aphrodisiac and B. asiatica for eye problems. Furthermore, Bergenia ciliata was often mentioned for the treatment of the disintegration of calculi, S. mukorossi for dandruff, and Z. armatum for toothache; these treatments share the highest consensus value. This high ICV indicates that use of these species is widely known in study area, and most of the respondents concurred regarding the particular usage. This paper takes the position that informant consensus is a reliable method of selecting medicinal plant for pharmacological evaluation [48].

Traditional uses of C. sinensis as a tonic, aphrodisiac, immuno-stimulant, and for retention of memory coincided with previous pharmacological findings. The adenosine found in C. sinensis has widespread effects on circulation of blood, cerebral and coronary effects [49, 50], prevention of cardiac arrhythmias [51], inhibition of neurotransmitter release [52], potentiating immune system [53], and antitumor activity [54]. The Ayurvedic and folk usage of B. ciliata as an antidiarrheal and antidysenteric [55, 56] also corroborated earlier reports [6, 9]. The fruits of Z. armatum were commonly used to treat toothache in folklore and Ayurvedic medicines, and their anti-inflammatory [57] and antibacterial [58] actions have been substantiated. The use of root bark extract of B. asiatica to treat conjunctivitis was common [55, 59], and its effectiveness as an antimicrobial [60], anesthetic, antihypertensive, and pigment inducer [61] has been clinically verified. Sapindus fruits were commonly applied to fight dandruff. Sapindus’ emetic and expectorant properties have previously been mentioned in the Ayurveda [55] and antichlamydiac property in pharmacology [62]. The folk use of Cuscuta reflexa for jaundice was supported by pharmacological studies, showing it possesses strong antibacterial actions [63].

Plant parts used and mode of preparation

Plant parts used for ethnomedicinal preparations were bark, fruit, flower, inflorescence, leaf, root, rhizome, stem, seed, wood, and the whole plant. The most frequently utilized plant parts were roots and rhizomes of 38 species, followed by fruits of 26 species, leaves of 22 species, etc. (Figure 2). Underground parts were frequently used, and this was attributed to presence of bioactive compounds [64]. Preparation methods for therapies included decoction, drying, and extraction. Plant infusion/smoke, juice, latex, oil, paste, powder, raw/fresh and resin were also applied (Figure 3). Plant juice (39.13%) was most commonly used, followed by decoction (13.04%), paste (10.86%), etc. The most popular forms of medicinal preparations in western Nepal are juice, decoction, paste, infusion, and powder [65] (Figure 4).

Figure 2

Plants parts used for curving.

Figure 3

Collecting pine resin: useful in boils.

Figure 4

Different modes of preparation use for therapies.

Traditional therapies

Home herbal remedies, folklore medicine, and the Baidhya healing system are commonly found in the study area. The persistence of these traditional therapies is due to the high cost of modern medicine and the absence of trained physicians. It is estimated that there is one physician per 30,000–100,000 people in Nepal [66], whereas there is at least one healer for every 100 people [67]. Data show that there is at least one health worker for every 670 people in Baitadi, 663 in Dadeldhura, and 509 in Darchula district [68]. Interest in traditional therapies has gradually increased over the recent years [6, 39, 69]. All these reasons foster the persistence of traditional therapies in the study area. This is reinforced by the preference of local people for traditional medicine, thanks to their belief in its effectiveness and to a lack of alternative choices [70, 71]. All these therapies were culturally intertwined. The number of plants used as ethnomedicines was also higher in the mountains of the Nepalese Himalayas [5]. However, traditional knowledge and the plants for folk therapies are gradually being endangered due to changing lifestyles, perceptions, social transformations, and acculturation.


The many uses of medicinal plants for trade and subsistence needs have led to conflict and overexploitation. An account of the multiple uses of medicinal plants that in turn threaten those very plants as a result of overharvesting has been noted in India [72]. Deliberate forest fires and premature harvests endanger existing populations of medicinal plants. The quantity and quality of medicinal plants within the study area have been degraded by market-led premature exploitation and climate change. The changes to plant phenology, range, and growth behavior as a result of climate change also jeopardize species survival and quality products [73, 74]. Price differentials between wild and cultivated products, which reflect the demand for wild crafted products, encourage unsustainable collection. Over-harvesting was also threat to many indigenous medicinal plant species, such as Z. armatum, N. grandiflora, A. rivularis etc. The collection of medicinal plants in a sustainable manner is imperative for development and conservation [75].

In order to conserve indigenous and high value medicinal plants, the government of Nepal outlawed the collection and trade of 17 important medicinal plant species [76] and has urged citizens to cultivate 30 highly valued species [77]. These initiatives have proven inadequate [78]. Because of the firm relationship between medicinal plants and rural livelihood (Figure 5), it is unlikely that a legal ban can be enforced [79] due to complex management systems [80], invigorating cultivation, and sustainable management. Community-based organizations have also attempted to conserve medicinal plant resources and revitalize indigenous resource management systems. The Himalayan Amchi Association (HAA), an institution aimed at safeguarding traditional health care knowledge [81], is devoted to protect medicinal plants and strengthen the knowledge of Amchi healers [82, 83]. The Amchi health care system, influenced from Tibetan Chinese medicine, is active in the high hills and mountainous districts of Nepal [7]. The Baidhya healing system, prevalent in the mid-hills of western Nepal [14], is influenced by the Ayurveda. Baidhya medicinal practitioners (particularly of western Nepal mid hills [71] and adjoining areas of India [84]) were common among privileged groups and pursued remedies to cure diseases and aliments by using nearby medicinal plants. Their knowledge base for therapies stems from custom, livelihood strategies, and available resources. Because of their prolonged existence and use, these systems and therapies are inseparable from local culture. Strengthening wise use and conservation of resources and knowledge of healing systems, which are culturally inherited and valued as well as scientifically important, may complement pharmacology [19] and the livelihood of communities inhabiting remote and high-altitude areas of the western Himalaya [85].

Figure 5

Ecological landscape favorable for medicinal plant growth.


Medicinal plants play a substantial role in the life support systems of local communities of Far-west Nepal. With increasing acceptance and use of medicinal plants in traditional therapies, and with increasing commercial demands over the years, the consumption and collection of medicinal plants is accelerating and thus endangering the extant populations. Over-harvesting threatens many indigenous medicinal plant species, such as Z. armatum, N. grandiflora, A. rivularis etc. Collection and consumption of medicinal plants in a sustainable manner is an integrated process with potential for development and conservation. Indigenous knowledge of medicinal plant use for traditional therapies and sustainable management in Nepal is empirically based, culturally inherited and intertwined, and important to pharmacology and local livelihoods. However, it is currently being eroded due to changing lifestyles, perceptions, social transformations, and acculturation. The conservation and sound management of indigenous knowledge of medicinal plants is thus strongly urged.


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The authors wish to thank the Canadian Center for International Studies and Cooperation (CECI) and the International Center for Integrated Mountain Development (ICIMOD), both located in Kathmandu, for providing facilities for field studies and data analysis. RMK is grateful to the William L. Brown Center at the Missouri Botanical Garden for providing financial support to carry out field visits, conduct a literature review, and do the data analysis. The authors are also thankful to two anonymous reviewers and B Ponmann to review this manuscript for their helpful comments.

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Correspondence to Ripu M Kunwar.

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The authors declare that they have no competing interests.

Authors’ contributions

RMK, RPA, and LM carried out field studies. RMK and RPA analyzed data and prepared manuscript. RWB edited the manuscript, further analyzed the data, and finalized the article. All authors approved the final version of this manuscript.

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Kunwar, R.M., Mahat, L., Acharya, R.P. et al. Medicinal plants, traditional medicine, markets and management in far-west Nepal. J Ethnobiology Ethnomedicine 9, 24 (2013).

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  • Medicinal plants
  • Indigenous use
  • Sustainable management
  • Baidhya
  • Baitadi district
  • Nepal