Fabaceae
Rhynchosia

Rhynchosia alluaudii Sacleux

First published in Bull. Mus. Natl. Hist. Nat. 16: 166 (1910)
This species is accepted
The native range of this species is Ethiopia to Rwanda and Tanzania. It is a subshrub and 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
Erect subshrub, with several unbranched or branched stems, 0·6–1·8 m. tall, from a tuberous rootstock.
Morphology Branches
Branches slender but woody, leafy, velvety ferruginous hairy when young, later glabrescent.
Morphology Leaves
Leaves unifoliolate; leaflet ovate, 2·2–6·3 cm. long, 1·7–5 cm. wide, rounded to subacute and mucronulate at the apex, cordate, sometimes faintly 3-lobed but this is reduced to a mere undulation, ± ferruginously velvety pubescent on both surfaces; venation prominent and reticulate beneath; petiole 2 mm. long; stipules recurved, lanceolate, 4 mm. long, 1·5 mm. wide, veined, hairy.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary or apical ones borne in axils of undeveloped leaves and often running together forming a terminal panicle, rather lax; rhachis 2–5 cm. long; peduncle 0·4–2 cm. long; pedicels 4–5 mm. long; bracts deciduous, lanceolate, 4 mm. long, hairy.
Morphology Reproductive morphology Flowers Calyx
Calyx ferruginously silky pilose; tube 3·5–4 mm. long; lobes lanceolate, 0·7–1·3 cm. long, 1·5–2 mm. wide, the lowest the longest, the upper pair joined at the base.
Morphology Reproductive morphology Flowers Corolla
Standard yellow with red veins, oblong-obovate, 1·1–1·3 cm. long, 5·5–6 mm. wide, truncate at the apex, glabrous; wings yellow; keel greenish, dark brown at the apex.
Morphology Reproductive morphology Fruits
Pods narrowly elliptic-oblong, 2·3 cm. long, 7 mm. wide, densely covered with long hairs, short hairs and glands.
Morphology Reproductive morphology Seeds
Seeds brown, spotted black, longest dimension 3·5–4 mm.
Habitat
Grassland, bushland and forest edges, rocky hillslopes; 1050–2070 m.
Distribution
K2 K4 K6 T1 T2
[FTEA]

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]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Somalia-Masai bushland and thicket, Somalia-Masai grasslands
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

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