Millettia oblata Dunn

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

Flora Zambesiaca Leguminosae subfamily Papillionoideae by B. Verdcourt*

Morphology General Habit

Shrub or tree 2–30 m tall. Shrub or tree 2–30 m tall.

Morphology General Indumentum

Young branches dark rusty pubescent.

Morphology Leaves

Leaves 9–23-foliolate; petiole up to 9 cm long, rusty pubescent; rachis 3–21 cm long; leaflets 2–11(14) × 1.7–4 cm, oblong-lanceolate, or the lowest 3–6 × 2.5–4 cm, ovate, acuminate at the apex, rounded or even slightly subcordate at the base, sparsely pubescent or glabrous on upper surface except the main venation, rusty pubescent to velvety beneath; stipules 5–9 mm long, ligulate; petiolules 2–5 mm long, pubescent; stipels 1–5 mm long, filiform. Leaves 9–23-foliolate; petiole up to 9 cm long, rusty pubescent; rachis 3–21 cm long; leaflets 2–11(14) × 1.7–4 cm, oblong-lanceolate, or the lowest 3–6 × 2.5–4 cm, ovate, acuminate at the apex, rounded or even slightly subcordate at the base, sparsely pubescent or glabrous on upper surface except the main venation, rusty pubescent to velvety beneath; stipules 5–9 mm long, ligulate; petiolules 2–5 mm long, pubescent; stipels 1–5 mm long, filiform.

Morphology Reproductive morphology Inflorescences

Inflorescences axillary, 21–35 cm long, including peduncle 4–10 cm long, rusty pubescent; cymule stalks up to 1.5 cm long or reduced to knobs, 1–4-flowered; pedicels 0.5–1 cm long, pubescent; bracteoles 1–2 mm long, oblong, usually well below the calyx base and often near the middle of the pedicels. Inflorescences axillary, 21–35 cm long, including peduncle 4–10 cm long, rusty pubescent; cymule stalks up to 1.5 cm long or reduced to knobs, 1–4-flowered; pedicels 0.5–1 cm long, pubescent; bracteoles 1–2 mm long, oblong, usually well below the calyx base and often near the middle of the pedicels.

Morphology Reproductive morphology Flowers Calyx

Calyx rusty pubescent; tube 4–5 mm long; teeth 1–2 mm long. Calyx rusty pubescent; tube 4–5 mm long; teeth 1–2 mm long.

Morphology Reproductive morphology Flowers Corolla

Standard 1.2–1.5 × 1.4–1.8 cm, rounded oblate, cordate at the base, without folds or appendages, white silky outside, with claw 3 mm long; blades of wings 10–11 × 5–7 mm, rounded oblong, with claw 7 mm long; blades of keel petals similar, 10–11 × 6–7 mm, with claw 5–6 mm long; both keel and wings pubescent only at the tip. Corolla blue or purplish-blue. Standard 1.2–1.5 × 1.4–1.8 cm, rounded oblate, cordate at the base, without folds or appendages, white silky outside, with claw 3 mm long; blades of wings 10–11 × 5–7 mm, rounded oblong, with claw 7 mm long; blades of keel petals similar, 10–11 × 6–7 mm, with claw 5–6 mm long; both keel and wings pubescent only at the tip. Corolla blue or purplish-blue.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamen sheath 1.2–1.6 cm long; free parts of filaments 2–4 mm long; upper filament adhering at the middle only; anthers 8–10 mm long. Stamen sheath 1.2–1.6 cm long; free parts of filaments 2–4 mm long; upper filament adhering at the middle only; anthers 8–10 mm long.

Morphology Reproductive morphology Flowers Disc

Disk absent. Disk absent.

Morphology Reproductive morphology Flowers Gynoecium Ovary

Ovary 6–9-ovuled, rusty pubescent; style 8–9 mm long, curved through 110° below the middle.

Morphology Reproductive morphology Fruits

Pod brown, 10–12(16) × 1.8–2.5 cm, linear-oblong, glabrescent. Pod brown, 10–12(16) × 1.8–2.5 cm, linear-oblong, glabrescent.

Morphology Reproductive morphology Seeds

Seeds brown, c.1 cm in diameter, ellipsoid or round in outline, with white annular aril produced into a ligulate process appressed to the apically dilated funicle. Seeds brown, c.1 cm in diameter, ellipsoid or round in outline, with white annular aril produced into a ligulate process appressed to the apically dilated funicle.

Morphology Branches

Young branches dark rusty pubescent.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary 6–9-ovuled, rusty pubescent; style 8–9 mm long, curved through 110° below the middle.