Crotalaria boehmii Taub.

First published in H.G.A.Engler (ed.), Pflanzenw. Ost-Afrikas, C: 204 (1895)
This species is accepted
The native range of this species is Tanzania. It grows primarily in the seasonally dry tropical biome.

Descriptions

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Erect laxly branched annual, up to 1 m. tall.
Morphology Stem
Stem thinly appressed or spreading pubescent.
Morphology Leaves
Leaves simple or 1-foliolate; blades mostly lanceolate, up to 60–190 mm. long and 4–21 mm. wide, with the lowermost ones usually shorter and elliptic, glabrous or with scattered hairs above, thinly puberulous beneath; petiole ± 1–3 mm. long.
Morphology Leaves Stipules
Stipules subulate-caudate, 1–3(–5) mm. long.
Morphology Reproductive morphology Inflorescences
Racemes lax, up to 10–32 cm. long, ± 6–24-flowered; bracts subulate, 1–2·5 mm. long; bracteoles inserted at the base of the calyx, linear, up to 2–4 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx 5–6(–9) mm. long, subglabrous to thinly pubescent; lobes narrowly attenuate-triangular, longer than the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic, cream or pale yellow, veined reddish-brown and glabrous outside; wings much shorter than the keel; keel shortly rounded in the lower half, with a long slightly recurved untwisted beak, 11–14(–17) mm. long.
Morphology Reproductive morphology Fruits
Pod shortly stipitate, subcylindrical, slightly broadened upwards, up to 24–28 mm. long, 7–8 mm. across, glabrous except for a few short hairs along the upper side, ± 24–28-seeded.
Morphology Reproductive morphology Seeds
Seeds oblique-cordiform, up to 2 mm. long, smooth, bottle-green to brown.
Habitat
Brachystegia woodland and deciduous bushland, particularly in damper situations along shrinking rivers, lakesides and in depressions; 750–1600 m.
Distribution
T4 T5 T7 not known elsewhere
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland, Zambezian bushland and thicket
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: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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