Crotalaria onobrychis A.Rich.

First published in Tent. Fl. Abyss. 1: 154 (1848)
This species is accepted
The native range of this species is South Sudan to S. Tropical Africa. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Afromontane grassland, Sudanian grasslands
Morphology General Habit
Annual, Not climbing, Herb
[ILDIS]

Leguminosae, various authors. Flora Zambesiaca 3:7. 2003

Morphology General Habit
Erect annual, 14–40 cm tall; branches slender, appressed puberulous.
Morphology Leaves
Leaves 3-foliolate, estipulate; leaflets mostly 2–6 × 0.4–2.5 cm, elliptic to narrowly elliptic-oblong, appressed puberulous beneath, sometimes also above; petiole shorter than the leaflets.
Morphology Reproductive morphology Inflorescences
Racemes 2.5–14 cm long, shortly pedunculate, dense at first, elongating to sublax or lax; bracts 1–2.5 mm long, subulate-caudate; bracteoles at the base of the calyx, minute.
Morphology Reproductive morphology Flowers Calyx
Calyx 2–3 mm long, becoming basally truncate and deflexed against the pedicel, sparsely to conspicuously puberulous; lobes narrowly triangular, as long as the tube or shorter.
Morphology Reproductive morphology Flowers Corolla
Standard subcircular to oblate, yellow veined purple; wings longer than the keel; keel 4–6 mm long, rounded, with a very short blunt beak.
Morphology Reproductive morphology Fruits
Pod practically sessile, 1–1.4 × 0.4–0.5 cm, subcylindrical, subglabrous to appressed puberulous, 10–20-seeded.
Morphology Reproductive morphology Seeds
Seeds 2–2.5 mm in diameter, subcircular-cordiform, minutely punctate, pale brown.
[FZ]

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 Zambesiaca

    • Flora Zambesiaca
    • 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