wadda, Rauwolfia Welwitschii, Stapf. (Apocynaceæ); a tree somewhat resembling the shea-butter tree, with milky sap; (Benué district and south).

wa or ya (Sok.), Ficus sp. (Urticaceæ). A species of fig-tree with rounded cordate leaves and large single figs. wan kurumi, another species of Ficus.

waiyaro, vide [ḳaguwa].

wake, Vigna sinensis, Endl. (V. Catjang, Walp.), and perhaps other species. The common cultivated bean of the country. Chowlee (India), Tow Kok (China).

Numerous varieties are recognized, some of them probably of different species:—

farin wake, and jan wake, waken damana;

ḳwama (Sok. and Gobir) = small brown beans usually given to horses but also used as human food;

tsarariya, also a brown bean, sometimes mottled;

zaḳo, mai zaḳi, or ba-zaḳa (Gobir), a well-flavoured bean which can be cooked without salt;

ḍan Uda, or Ba-Ude (Kano), a bean which is half black or brown and half white like a similarly marked variety of sheep (Udawa, a Fulani tribe); roko, also a piebald bean;