Vachellia bussei (Harms ex Y.Sjöstedt) Kyal. & Boatwr.

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation

Predicted extinction risk: not threatened. Confidence: confident

M. Thulin et al. Flora of Somalia Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit

Tree up to 4(–10) m high with ± flattened crown; young branchlets grey-brown to purplish, glabrous or pubescent

Morphology General Spines

Stipular spines up to 5(–9) cm long, some with their lower part strongly swollen but much constricted basally

Morphology Leaves

Pinnae 2–8 pairs; leaflets 10–18 pairs, 1.5–5 x 0.5–1.6 mm, ± densely pubescent

Morphology Reproductive morphology Flowers

Flowers yellowish-white, sessile, in 1.5–6 cm long spikes

Morphology Reproductive morphology Flowers Calyx

Calyx c. 0.7 mm long

Morphology Reproductive morphology Flowers Corolla

Corolla 2.5–3.5 mm long, glabrous

Morphology Reproductive morphology Fruits

Pods narrowly oblong, straight, dehiscent, up to 8 x 1.5 cm, puberulous

Morphology Reproductive morphology Seeds

Seeds flattened, c. 5 x 4 mm; areole c. 2 x 1.5 mm.

Distribution

N1–3; C2; S1–3

Ecology

Altitude range 50–1500 m.

Vernacular

Galool (Somali)

Conservation

Due to its use for charcoal, it is threatened by overexploitation in many areas.

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit

Tree 3–10 m. high, usually flat-crowned with a well-defined trunk, sometimes branching from base; bark black or brown, roughish.

Morphology Branches

Young branchlets grey-brown to purplish, glabrous or pubescent.

Morphology Leaves Stipules

Stipules spinescent, up to 9 cm. long, some normally with their lower part enlarged and ovoid or fusiform but much constricted at base, whitish or ashen; no prickles below the stipules.

Morphology Leaves

Leaves:rhachis eglandular between the 2–8 pairs of pinnae; usually a conspicuous gland on the petiole; leaflets (7–)10–18 pairs, 1.5–5 mm. long, 0.5–1.5 mm. wide, ciliate or ± pubescent, apex obtuse or rounded, lateral nerves invisible.

Morphology Reproductive morphology Flowers

Flowers cream, sessile, in spikes 1.8–5 cm. long on peduncles usually 0.5–1.2 cm. long; axis pubescent, rarely subglabrous, with few or no glands.

Morphology Reproductive morphology Flowers Calyx

Calyx 0.7–0.8 mm. long.

Morphology Reproductive morphology Flowers Corolla

Corolla 2.5–3.5 m. long, glabrous, with 4 lobes 0.5 mm. long.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamen-filaments about 6 mm. long, free; anthers 0.1 mm. across, with a caducous gland.

Morphology Reproductive morphology Fruits

Pods (Fig. 14/3, p. 52) brown, dehiscent, puberulous, narrowly oblong, straight, 2–6.5 cm. long, 0.8–1.5 cm. wide.

Morphology Reproductive morphology Seeds

Seeds ± obovate-compressed, 5 mm. long, 4–4.5 mm. wide; central areole small, 2 × 1.5 mm.

Habitat

Deciduous bushland and dry scrub with trees; 300–970 m.

Distribution

K1 K4 K7 T3

International Legume Database and Information Service

Conservation

Not Threatened

Ecology

Africa: Somalia-Masai bushland and thicket, Somali-Masai scrub woodland., Zanzibar-Inhambane regional transition zone; bushland and thicket.

Morphology General Habit

Perennial, Not climbing, Tree