Return

Cadaba glandulosa Forssk.

Eng.: Esel-wood.   Ara.: Qadab, qormot, irkis, kunnut, kurmut sogliaier, sogher (last 4 in Sudan).   Tamahaq: Tabeïbaret, tahalist, teheist, taeyis, teyst, teïs.   Tubu: Doburu.

Subshrub, dense; 0.5-1.3(2) m. Branches grey, pubescent-glandular when young, then glabrescent. Leaves ovate-acute, elliptic to suborbicular, 1-3 × 1-2.5 cm, pale green, glaucous, pubescent, glandular and mucronate. Petiole 2-10 mm. Flowers solitary or in corymbiform inflorescences of few flowers (2-4), with peduncles 1-2 cm long. Flowers zygomorphic, minute, without petals or with a single petal (first white and then yellow). Sepals 4, 5-10 mm long, with many glandular hairs, with long nectariferous tube (1.5 cm), much longer than the 5 stamens (filaments 12-15 mm and anthers ± 2 mm) fused to the base of the gynophore into a short androphore, just 2 mm. Gynophore with a petaloid appendix, dilated into a tongue-shape, up to 17 mm long, golden yellow. Fruit ellipsoid, 7-15 mm long, densely covered with stipitate glands.

Flowering:

January to March, but generally after rainfall.

 

Fruiting:

1 month after flowering.

Habitat:

Sandy plains, stony areas, rocky slopes and termite mounds, mainly in desert and subdesert environments.

Distribution:

Palaeotropical, Saharo-Sindian, reaching towards the E to India. In North Africa from Eastern Mauritania and Senegal, up to Egypt, Sudan and the Horn of Africa.

Conservation status:

Rare but widely distributed species. Currently, it has not been assessed at a global level in the IUCN Red List of Threatened Species. In the updated red list of Egypt (Shaltout & Bedair, 2023) it has been considered as Critically Endangered (CR).

Cadaba glandulosa 1. Philippe Birnbaum
Cadaba glandulosa. Twig with leaves. Philippe Birnbaum.
Cadaba glandulosa 2. Philippe Birnbaum
Cadaba glandulosa. Twig with leaves and inflorescence. Philippe Birnbaum.
Menu