ḍiyan hanwawa (Sok.), Ctenolepis cerasiformis Hook. f. (Cucurbitaceæ). A twiner with scarlet berries; (hanwawa or hawainya = chamæleon); syn. namijin garafuni.
ḍoḍoriya, Vitis quadrangularis, Linn. (Ampelideæ), vide [ḍaḍori].
ḍoiḍoya or ḍoḍoya, vide [ḍeiḍoya].
doka, Isoberlinia doka, Craib. et Stapf (Leguminosæ); a large tree with white flowers, shining leaves and large flat pods; very abundant in central Hausaland. fara doka, Isoberlinia Dalzielii, Craib. et Stapf, a large tree closely allied to the last, with paler leaves and bark.
domana, a gummy blight on Guinea Corn and other cereals; (?Aphis Sorghi).
domashi, Vernonia Kotschyana, Schultz. (Compositæ); an under-shrub with bitter root, used as a tonic-medicine, &c. domashin maza? (Katagum), vide under [matsarmama].
ḍorowa or ḍorawa, Parkia filicoidea, Welw. (Leguminosæ). “African Locust Bean Tree;” a large acacia-like tree with pendulous balls of deep-red flowers and bunches of pods; the seeds and the mealy yellow pulp of the pods are used as food. kaluwa = seeds of ḍorowa, which are made into black fermented cakes called daudawa (Sok.) or daddawa (Kano), and also takaluwa; makuba = fermented extract of husks of ḍorowa pods, used for hardening beaten floors, sides of indigo pits, &c. saḅada or safada (Kano) = young fruiting heads of ḍorowa (etym. from resemblance in shape and surface to a plaited garment of that name). tutu (or turu-turu) = the red pendulous flower-balls (sucked by boys); gundar tutu = the unexpanded flower-buds; garda = the unripe pods when bright brown in colour and beginning to form seeds (the name of a brown-winged dove). The successive stages from bud to pod are:—kashin awaki, kashin raḳuma, tutu, safada, garda. harawan ḍorawa = the membranous lining of the pods used as a fibre for tying arrows, &c.
doya, Dioscorea sativa, Linn. D. prehensilis, Benth. D. abyssinica, Hochst. D. alata, L. (Dioscorideæ). Cultivated yams. vide also [sakata], and [ḳarasa] (doyar kudu).
doyar bisa, the edible solid bulbs in the leaf-axils of certain species of Dioscorea. Syn. tuwon biri.
doyar daji, wild species of Dioscorea.