Crotalaria pygmaea Polhill

First published in Crotalaria Africa & Madagascar: 342 (1982)
This species is accepted
The native range of this species is SE. DR Congo to NE. 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]

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

Morphology General Habit
Small annual 2–10 cm tall; stem erect, densely appressed or subappressed pubescent, developing numerous ascending branches from near the base.
Morphology Leaves
Leaves mostly 3-foliolate, uppermost sometimes 1-foliolate; leaflets 7–20 × 3–6 mm, oblong-oblanceolate, appressed pilose on both surfaces; petiole (3)5–10 mm long, narrowly winged; stipules 0.
Morphology Reproductive morphology Flowers
Flowers (2)6–16 in sessile terminal heads, also clustered in a few axils below; bracts 2–4 mm long, linear; pedicel 3–5 mm long, without bracteoles.
Morphology Reproductive morphology Flowers Calyx
Calyx 5 mm long, silky tomentose; upper lobes narrowly triangular, 2–3 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic, pointed, pale yellow, tomentellous outside; wings markedly shorter than the keel; keel 10–12 mm long, angular, with a long narrow twisted beak.
Morphology Reproductive morphology Fruits
Pod sessile, 7–8 × 3.5–4 mm, oblong-ellipsoid, appressed pubescent, 20–24-seeded.
Morphology Reproductive morphology Seeds
Mature seeds not seen.
[FZ]

International Legume Database and Information Service

Conservation
Insufficiently known
Ecology
Africa: Zambezian woodland, Zambezian grassland
Morphology General Habit
Annual, 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