Table 7 Novel WEPs for southern Yemen and similar WEPs used limited in Arabic and regional countries based on the literature review

Aloe lanata (flower)

Anisotes trisulcus (flower)

Cynanchum vanlessenii (flower)

Cynanchum viminale

subsp. Stipitaceum (stem)

Desmidorchis awdelianus (stem)

Desmidorchis lavrani (stem)

Monolluma hexagona (stem)

Monolluma solenophora (stem)

Orbea wissmannii (stem)

Reichardia tingitana (leaf)

Rumex nervosus (flower)

Lavandula pubescens (leaf)

Oman (12 species)

Amaranthus graecizans,

Ceropegia bulbosa,

Crepis rueppellii, Cynanchum viminale subsp. Suberosum, Desmidorchis flavus, Gladiolus candidus, Glossonema varians, Monolluma quadrangula, Salvadora persica,

Senna italica,

Sageretia thea,

Ziziphus leucodermis

Saudis Arabia (2 species)

Cissus rotundifolia,

Rumex nervosus (leaf)

Sudan

Acacia nilotica

Ethiopia (7)

Corchorus trilocularis,

Cleome gynandra,

Ficus vasta,

Grewia mollis,

Launaea intybacea,

Launaea procumbens, Portulaca quadrifida

Uganda (2)

Acacia gerrardii,

Ficus ingens

South Africa (2)

Corchorus tridens, Raphionacme velutina

Namibia (1)

Caralluma subulata

Pakistan (1)

Apteranthes tuberculata

Iran (1)

Boerhavia elegans