Crotalaria

Crotalaria senegalensis (Pers.) Bacle ex DC.

First published in Prodr. 2: 133 (1825)
This species is accepted
The native range of this species is Cape Verde, Tropical & S. Africa, Arabian Peninsula. 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: Zambezian wooded grassland, Sahel regional transition zone; grassland, Sahel regional transition zone - wooded grassland., Zambezian grassland
Morphology General Habit
Annual, Not climbing, Herb
[ILDIS]

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

Morphology General Habit
Annual, erect and spreading, (0.2)0.3–1 m tall; branches appressed or subappressed pubescent.
Morphology Leaves
Leaves 3-foliolate; leaflets 2–6.5 × 0.6–2.5 cm, mostly elliptic-oblong, varying from lanceolate to elliptic, appressed pubescent beneath; petiole 1.5–5 cm long; stipules 1–3 mm long, linear-subulate.
Morphology Reproductive morphology Inflorescences
Racemes mostly 12–45 cm long, laxly (10)16–40-flowered; buds ascending; bracts 1–3.5 mm long, linear-subulate to linear-lanceolate; bracteoles on the calyx, 1–3 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx (5)6–7(8) mm long, appressed pubescent; upper lobes oblong, abruptly contracted to an excentric apiculate tip, valvate, lanate along the margin inside.
Morphology Reproductive morphology Flowers Corolla
Standard bright yellow, often finely lined and ageing reddish, broadly elliptic to oblate, pubescent outside; wings obovate-oblong, nearly as long as the keel; keel (7)9–13(15) mm long, angular, with a narrow twisted beak, lanate along the upper suture.
Morphology Reproductive morphology Fruits
Pod shortly stipitate, 1–1.7 × 0.5–0.7(0.8) cm, oblong-ellipsoid, pubescent, 6–16-seeded.
Morphology Reproductive morphology Seeds
Seeds 2.5–3 mm long, oblique-cordiform, yellowish to brown, sometimes mottled darker.
[FZ]

Papilionaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Morphology General Habit
Suberect or prostrate, half-woody, 1–2 ft. high
Morphology General Indumentum
Shortly pale-pubescent
Morphology Reproductive morphology Flowers
Flowers yellow turning orange
Ecology
In dry fields.
[FWTA]

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

  • Flora of West Tropical Africa

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

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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