Tephrosia gobensis Brummitt

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: threatened. Confidence: confident

Flora Zambesiaca Leguminosae subfamily Papillionoideae by R.K. Brummitt

Morphology General Habit

A somewhat woody subshrub up to 1.5 m high. A somewhat woody subshrub up to 1.5 m high.

Morphology General Indumentum

Young stems densely clothed with appressed to ascending grey hairs.

Morphology Reproductive morphology Flowers Calyx

Calyx 5–6 mm long, appressed-pubescent; upper teeth joined for about ¾ their length, lateral teeth about equalling the tube. Calyx 5–6 mm long, appressed-pubescent; upper teeth joined for about ¾ their length, lateral teeth about equalling the tube.

Morphology Reproductive morphology Flowers Corolla

Petals c.15 mm long, pale rose-wine coloured to reddish-blue. Petals c.15 mm long, pale rose-wine coloured to reddish-blue.

Morphology Reproductive morphology Flowers Androecium Stamens

Staminal tube connate above. Staminal tube connate above.

Morphology Reproductive morphology Flowers Gynoecium Ovary

Ovary glabrous on the surfaces but with long, rather stiffly spreading hairs on the margins; style pubescent, c.1 cm long in fruit.

Distribution

Also in Swaziland.

Ecology

Rocky places.

Morphology Stem

Young stems densely clothed with appressed to ascending grey hairs.

Morphology Leaves

Leaves pinnate with 2–5 pairs of leaflets; petiole 0.3–1 cm long, petiole and rachis together (0.6)1.2–2.4 cm long, with dense, grey, appressed hairs; leaflets (0.6)0.8–1.6 × (0.3)0.4–0.6 cm, obovate to oblanceolate, cuneate at the base, broadly rounded to emarginate at the apex; upper surface glabrous to sparsely and shortly pubescent, lower surface appressed-pubescent, greyish; stipules 3–5 × 0.4–0.8 mm, ± linear. Leaves pinnate with 2–5 pairs of leaflets; petiole 0.3–1 cm long, petiole and rachis together (0.6)1.2–2.4 cm long, with dense, grey, appressed hairs; leaflets (0.6)0.8–1.6 × (0.3)0.4–0.6 cm, obovate to oblanceolate, cuneate at the base, broadly rounded to emarginate at the apex; upper surface glabrous to sparsely and shortly pubescent, lower surface appressed-pubescent, greyish; stipules 3–5 × 0.4–0.8 mm, ± linear.

Morphology Reproductive morphology Flowers

Flowers in short terminal racemes 0.5–3(5 in fruit) cm long and in the axils of the upper 1–4 leaves; bracts 1.5–3 × 0.7–1 mm, ovate to narrowly triangular; pedicels 2–4 mm long. Flowers in short terminal racemes 0.5–3(5 in fruit) cm long and in the axils of the upper 1–4 leaves; bracts 1.5–3 × 0.7–1 mm, ovate to narrowly triangular; pedicels 2–4 mm long.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary glabrous on the surfaces but with long, rather stiffly spreading hairs on the margins; style pubescent, c.1 cm long in fruit.

Morphology Reproductive morphology Fruits

Pods 20–30 × 7–9 mm, boat-shaped, with the long style persisting almost to maturity, glabrous except at the margins, brown; seeds 3–5, elongated transversely. Pods 20–30 × 7–9 mm, boat-shaped, with the long style persisting almost to maturity, glabrous except at the margins, brown; seeds 3–5, elongated transversely.