Crotalaria nuda Polhill

First published in Crotalaria Africa & Madagascar: 355 (1982)
This species is accepted
The native range of this species is Zambia. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Generally a slender erect branching annual 30–90 cm tall, but sometimes a tufted suffrutex, glabrous.
Morphology Leaves
Leaves mostly 3-foliolate, uppermost generally 1-foliolate; leaflets 5–18 × 1–3.5 mm, linear-oblanceolate, obtuse to truncate; petiole 0.5–2(4) mm long; stipules 0.
Morphology Reproductive morphology Inflorescences
Racemes 3–12 cm long, 12–30-flowered, generally lax, upper part occasionally congested; bracts 1–2.5 mm long, linear-lanceolate to narrowly elliptic; pedicel 3–6 mm long, sometimes with minute bracteoles medially.
Morphology Reproductive morphology Flowers Calyx
Calyx 3.5–4 mm long; upper lobes narrowly triangular-acuminate, 1.5–2 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard obovate-circular, yellow lined reddish; wings ± as long as the keel; keel (4)5–7 mm long, angular, with a narrow twisted beak slightly incurved at the tip.
Morphology Reproductive morphology Fruits
Pod with a stipe up to 1 mm long, (3)5–6 × 3–3.5 mm, ovoid-globose, 2-seeded.
Morphology Reproductive morphology Seeds
Seeds 2.5 mm across, rounded cordiform, smooth, with a small aril.
[FZ]

International Legume Database and Information Service

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

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/19893126/20049330

Conservation
LC - least concern
[IUCN]

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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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