Tephrosia paucijuga Harms

First published in Bot. Jahrb. Syst. 30: 326 (1901)
This species is accepted
The native range of this species is W. Tropical Africa. It grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Rootstock perennial, woody; stems often reddish, sparsely strigulose, 30–40 cm. tall.
Morphology Leaves
Leaf-rhachis up to 7 cm. long, including a petiole of up to 4 cm., prolonged up to 7 mm. beyond lateral leaflets; stipules linear-oblong, up to 8 mm. long; leaflets 1–11, usually 3–9, cuneate-oblong, up to 10 cm. long and 25 mm. wide, rounded or emarginate at the apex, glabrous above, sparsely strigulose beneath, the nerves prominent on both surfaces, often reddish, ± 10 chief ones on each side.
Morphology Reproductive morphology Inflorescences
Pseudoraceme terminal, 4–14 cm. long, moderately dense on a peduncle often longer than itself; bracts short, triangular, very caducous; pedicels up to 7 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx shortly golden tomentose; teeth triangular, the upper pair connivent, half united, ±1.5 mm. long, the lateral 2 mm., the lowest 3 mm. long.
Morphology Reproductive morphology Flowers Corolla
Corolla mauve, the standard golden brown silky tomentose outside, ± 16 mm. long by 15 mm. wide; keel glabrous, ± 10 mm. from base to bend and 10 mm. from bend to tip.
Morphology Reproductive morphology Flowers Androecium Stamens
Upper filament lightly attached, callous, bent and widened 1 mm. above the base; filament-sheath 9 mm., free parts 5–6 mm., anthers 1.3 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovules 3–5; style ± 10 mm. long, bent sharply near the base, pubescent throughout, tapering gradually to a fine point.
Morphology Reproductive morphology Fruits
Pod ascending, slightly downcurved, ± 4.5 cm. long by 8 mm. wide, minutely stiff-pubescent.
Morphology Reproductive morphology Seeds
Seeds (immature) 2–4.
Habitat
More open parts of Brachystegia, Uapaca woodland; 900–1600 m.; rainfall 1100–1200 mm.
Distribution
Not known elsewhere T7 T8
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

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
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • World Checklist of Vascular plants (WCVP)

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0