Crotalaria umbellifera R.E.Fr.

First published in Wiss. Erg. Schwed. Rhodesia-Kongo-Exp. 1911-1912, 1: 73 (1914)
This species is accepted
The native range of this species is W. & N. Zambia. 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
Prostrate perennial, with slender densely strigose-pubescent stems up to c. 40 cm long.
Morphology Leaves
Leaves 3-foliolate; leaflets (1)1.6–3.8 × (0.5)0.8–1.8 cm, obovate-rhombic or oblanceolate, apiculate, subdensely appressed puberulous and prominently veined beneath; petioles 5–12 mm long; stipules 3–8 mm long, subulate to linear-lanceolate.
Morphology Reproductive morphology Inflorescences
Racemes subumbelliform, pedunculate, 4–8-flowered; bracts 4–7 mm long, linear; pedicels 6–10 mm long, slender, ascending, with filiform bracteoles near the middle or below.
Morphology Reproductive morphology Flowers Calyx
Calyx 5–7 mm long, densely and shortly appressed pubescent; lobes attenuately or acuminately triangular, ± twice as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard oblate, royal blue to mauve or ?whitish, with scattered hairs only at the apex and along the edge outside; wings a little shorter than the keel, yellow; keel 7.5–10 mm long, rounded, with a crest behind the short slightly incurved beak.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2-ovulate.
Morphology Reproductive morphology Fruits
Pod and seeds unknown.
[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: low confidence
[AERP]

International Legume Database and Information Service

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

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