Crotalaria egregia Polhill

First published in Crotalaria Africa & Madagascar: 335 (1982)
This species is accepted
The native range of this species is N. Zambia. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

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

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

Morphology General Habit
Erect annual 30–50 cm tall, developing ascending branches from near the base, densely pilose.
Morphology Leaves
Leaves 1-foliolate; leaflets mostly 20–50 × 4–10 mm, oblong-lanceolate, thinly pilose on both surfaces; petiole 2–3 mm long; stipules 0.
Morphology Reproductive morphology Inflorescences
Racemes 6–20 cm long, sublaxly 12–40-flowered, with a few flowers developing in the axils below; bracts (3)4–6 mm long, linear-lanceolate, ± as long as the pedicel; bracteoles 0.
Morphology Reproductive morphology Flowers Calyx
Calyx 6–7 mm long, densely pilose; upper lobes narrowly acuminate-triangular, 3 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic, pale yellow, ± marked brownish, silky tomentose outside; wings a little shorter than the keel; keel 10–11 mm long, angular, with a narrow twisted beak.
Morphology Reproductive morphology Fruits
Pod sessile, 8–10 × 6 mm, shortly ovoid-ellipsoid, pilose, 8-seeded.
Morphology Reproductive morphology Seeds
Seeds 2.5 mm long, oblique-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

    • 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