Entada phaneroneura Brenan, Kew Bull. 32: 545. 1978.

O'Donnell, Shawn A., Ringelberg, Jens J. & Lewis, Gwilym P., 2022, Re-circumscription of the mimosoid genus Entada including new combinations for all species of the phylogenetically nested Elephantorrhiza (Leguminosae, Caesalpinioideae, mimosoid clade), PhytoKeys 205, pp. 99-145 : 99

Entada phaneroneura Brenan, Kew Bull. 32: 545. 1978.

Type.

BURUNDI. Bubanza Territory , Cibitoke, J. Lewalle 3238 (holotype: K; isotypes: BR [BR0000008915856], FHO) .

Description.

Shrub, climbing to 12 m. Leaves: rachis (2-)4-5 cm long, glabrous, terminating in a bifurcating tendril; pinnae 2 pairs per leaf, (1.5-)3-4 cm long, with 9-15 pairs of leaflets, pinna rachis distinctly winged; leaflets 5-8(-16) × 1.5-4 mm, oblong-oblanceolate to near linear, apex rounded to obtuse and mucronate, base oblique, lamina glabrous. Inflorescence: an axillary spiciform raceme, 5-6 cm long, the racemes often aggregated into a panicle, rachis glabrous. Flowers: purple, pedicels 1-2 mm long; calyx 0.75-1 mm long, distinctly toothed, glabrous; petals 3 × 1.1-1.2 mm; stamen filaments 4-5 mm long. Fruit: a torulose, laterally compressed, falcate craspedium, 20 × 3-5 cm, with transverse septa between seeds dividing the fruit into one-seeded segments which, upon ripening, fall from the persistent replum. Seeds: mature seeds not seen (although several specimens in BR have fruits).

Distribution.

Burundi, Democratic Republic of Congo.

Habitat and ecology.

Wooded savannah, ×erophilous thickets and dry forest; 800-950 m alt.