Crotalaria ephemera Polhill

First published in Kew Bull. 22: 334 (1968)
This species is accepted
The native range of this species is S. DR Congo to N. Zambia. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Ecology
Africa: Zambezian woodland, Zambezian grassland
Morphology General Habit
Annual, Not climbing, Herb
Conservation
Not Threatened
[ILDIS]

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

Morphology General Habit
Small spreading annual; stem 5–10(15) cm tall, branching from the base, appressed pubescent.
Morphology Leaves
Leaves all or almost all 3-foliolate, uppermost occasionally 1-foliolate; leaflets 5–20 × 2–10 mm, oblanceolate to oblong-elliptic or obovate, appressed pubescent beneath, sometimes above also; petiole 4–10 mm long, narrowly winged; stipules 0.
Morphology Reproductive morphology Flowers
Flowers in small terminal heads or short racemes, also with a few flowers in the axils below; bracts 0.5–1.5 mm long, linear; pedicel 2–4 mm long, without bracteoles.
Morphology Reproductive morphology Flowers Calyx
Calyx 2.5–3 mm long, appressed puberulous; upper lobes triangular, 2–3 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic or oblong-obovate, yellow, lined reddish, densely puberulous outside; wings nearly as long as the keel; keel 4–5 mm long, angular, with a narrow twisted beak.
Morphology Reproductive morphology Fruits
Pod sessile, 3–3.5 mm long, ovoid-globose, appressed puberulous, 2-seeded.
Morphology Reproductive morphology Seeds
Seeds 1.5 mm long, rounded-cordiform, smooth.
[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: 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

  • Herbarium Catalogue Specimens

  • 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