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Table 1 Vegetal climatic predictors operation

From: Traditional climate knowledge: a case study in a peasant community of Tlaxcala, Mexico

Local (Species) Name Month Observation Description
Maguey (Agave salmiana Otto ex Salm-Dyck.) April When the flowering of this plant is very rich in terms of landscape, a season is expected with good quality showers.
Nopal (Opuntia sp. L.) April-May The abundance of suckers on the pads of the prickly pear indicates favorable rains for crops.
Azomiate (Senecio salignus DC.) March-April The early and abundant flowering of this plant indicates good quality of rain during agricultural work.
Escobillo (Asteraceae sp. Bercht & Presl.) March-April Its abundant flowering, tells them to Peasants temporary quality (regular rainfall) for crops.
Izote (Yucca sp. L.) January-February The emergence of a large number of “palmos” (inflorescence) indicates good quality of rains, while its incipient flowering indicates a bad time.
Sotol (Dasylirion sp.) January-February Its abundant flowering is indicative of a temporary evil, little rain.
Maize (Zea mays L. Zucc.) June-August When the maize plant shows wilted appearance, even when the ground is wet, it is a sign of "bad weather" or the next occurrence of frost.
Nogal (Juglans regia L.) January-February The early flowering of this tree is indicative of frost or cold weather during the corn growing.
Fennel (Foeniculum vulgare Mill.) March-April The abundant flowering of this plant is a sign of a good harvest.
Peach (Prunus persica (L.) Batsch)
Capulín (Prunus capuli Cav.)
Plum (Prunus domestica L.)
January Early flowering of these trees is an indicator of "good time", regular rainfall. On the other hand, if the flowering is delayed, is not abundant or is affected by a cold, this indicates "bad time", irregular rainfall or the appearance of some frost during the growth of the maize.