Crotalaria confertiflora Polhill

First published in Crotalaria Africa & Madagascar: 360 (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

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]

International Legume Database and Information Service

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

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

Morphology General Habit
Erect annual 20–70 cm tall, developing relatively short flowering branches above; stem shortly appressed pubescent.
Morphology Leaves
Leaves 3-foliolate, uppermost reduced, occasionally 1-foliolate; leaflets 3–12 × 0.5–2 mm, linear-oblanceolate or oblanceolate, appressed puberulous beneath; petiole 1–3 mm long; stipules 0.
Morphology Reproductive morphology Flowers
Flowers 6–12 in sessile terminal heads; bracts 1–1.5 mm long, linear-lanceolate; pedicel 1.5–2 mm long, without bracteoles.
Morphology Reproductive morphology Flowers Calyx
Calyx 2.5 mm long, densely pubescent with irregularly arranged hairs; upper lobes narrowly triangular-acuminate, 1.5–2 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard oblong-obovate, yellow, tomentellous outside; wings almost as long as the keel; keel 4.5–5 mm long, angular, with a very narrow twisted beak, slightly incurved at the tip.
Morphology Reproductive morphology Fruits
Pod sessile, 3.5–4 × 3 mm, ovoid-globose, pubescent, 2-seeded.
Morphology Reproductive morphology Seeds
Seeds 2 mm long, oblong-cordiform, smooth, with a prominent aril.
[FZ]

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