Crotalaria unicaulis Bullock

First published in Bull. Misc. Inform. Kew 1931: 271 (1931)
This species is accepted
The native range of this species is Angola to Zambia. It is a perennial or subshrub and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

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

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

Morphology General Habit
Suffrutex with annual or perennial scarcely woody glaucous subglabrous stems erect from a well developed rootstock.
Morphology Leaves
Leaves estipulate, simple or (1)3-foliolate; leaflets 3.5–9 × 1.5–5 cm, elliptic, subglabrous; petiole broadly grooved, often slightly winged, much shorter to a little longer than the leaflets.
Morphology Reproductive morphology Inflorescences
Racemes lax, many-flowered; bracts mostly 4–5 mm long, linear-subulate; bracteoles small.
Morphology Reproductive morphology Flowers Calyx
Calyx 1–1.3 cm long, glabrous or with few scattered hairs; lobes narrowly attenuate-triangular, ± twice as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic to subcircular, yellow veined and speckled reddish-brown, glabrous or nearly so; wings ± three quarters as long as the keel; keel 1.7–2 cm long, rounded about the middle, narrowed to the rather short bluntly pointed beak.
Morphology Reproductive morphology Fruits
Pod 4–7.5 cm long, ellipsoid-clavate, rather abruptly narrowed to the mostly 0.6–0.7 cm long stipe, pubescent, glabrescent except along sutures and near apex.
Morphology Reproductive morphology Seeds
Mature seeds not seen.
[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

  • 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