Crotalaria burkeana Benth.

First published in London J. Bot. 2: 593 (1843)
This species is accepted
The native range of this species is Zimbabwe to S. Africa. It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Perennial herb (sometimes flowering in first year), erect or decumbent, up to 70 cm tall, with 1–several patently pilose stems from an ultimately woody tuberous stock.
Morphology Leaves
Leaves 3–5-foliolate; leaflets 2.5–5.5 × 0.4–1.6 cm, linear-lanceolate to lanceolate, rarely elliptic, glabrescent above, pilose beneath; petioles shorter to ± as long as leaflets; stipules 8–17 mm long, linear-caudate.
Morphology Reproductive morphology Inflorescences
Racemes lax, 5–12(16)-flowered; bracts 3–8 mm long, linear-lanceolate, sometimes caudate; bracteoles curved-ascending from just below the calyx, 5–8 mm long, lanceolate, ± subfalcate.
Morphology Reproductive morphology Flowers Calyx
Calyx accrescent, 1.5–2.2 cm long, pilose; upper lobes oblong-lanceolate, 2–3 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard subcircular or obovate, white, sometimes tinged yellow or mauve, veined brown or dark blue, subglabrous to pubescent outside; wings as long as keel; keel 1.5–1.8 cm long, abruptly rounded ± at right-angles in the lower third, with a well developed straight beak, lanate-pubescent along the upper edge.
Morphology Reproductive morphology Fruits
Pod (3.5)4–5.5 cm long, broadly oblong-clavate, subsessile, pilose.
Morphology Reproductive morphology Seeds
Seeds c. 4 mm long, oblique-cordiform, rugulose, brown.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Kalahari-Highveld regional transition zone; wooded grassland., Zambezian wooded grassland
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

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

  • 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