Crotalaria phyllostachys Baker

First published in Bull. Misc. Inform. Kew 1897: 250 (1897)
This species is accepted
The native range of this species is N. Malawi. 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
Annual, erect to 1 m, ultimately shortly branched above; stem densely silky pubescent.
Morphology Leaves
Leaves 3-foliolate, sometimes with smaller 1-foliolate leaves subtending axillary flower clusters; leaflets 7–20 × 1–3 mm, progressively smaller above, linear-oblanceolate, pointed, silky pubescent to pilose beneath; petiole flattened, 3–10 mm long; stipules 0.
Morphology Reproductive morphology Inflorescences
Racemes 4–10 cm long, lax, but most of the flowers in axillary clusters well down the stem; bracts of terminal racemes 2–2.5 mm long, a little shorter than the pedicel, linear-lanceolate; bracteoles on the pedicel, setaceous.
Morphology Reproductive morphology Flowers Calyx
Calyx 4–5 mm long, densely subappressed to spreading pubescent; upper lobes attenuate-triangular, 2–3 times as long as the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic, yellow lined red, medially pubescent outside; wings shorter than the keel; keel 9–11 mm long, angular, with a narrow twisted beak, slightly hooked at the tip.
Morphology Reproductive morphology Fruits
Pod sessile, 4–5 mm long, ovoid-globose, pubescent, 1–2-seeded.
Morphology Reproductive morphology Seeds
Seeds 2 mm long, rounded-cordiform, smooth, with a small aril.
[FZ]

International Legume Database and Information Service

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

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]

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