Crotalaria ukingensis Harms

First published in Bot. Jahrb. Syst. 30: 323 (1901)
This species is accepted
The native range of this species is S. Tanzania. It is a shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Conservation
Insufficiently known
Ecology
Africa: Zambezian bushland and thicket
Morphology General Habit
Perennial, Not climbing, Shrub
[ILDIS]

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

Morphology General Habit
Bushy shrub, up to 2 m. tall.
Morphology Branches
Branches tomentellous with short brownish spreading hairs.
Morphology Leaves
Leaves mostly on very short axillary shoots, appearing fasciculate, 3-foliolate; leaflets oblanceolate-elliptic to oblong-obovate, up to 15 mm. long and 6 mm. wide, glabrous above, appressed puberulous beneath; petiole slender, ± 7–15 mm. long.
Morphology Leaves Stipules
Stipules linear, up to 2 mm. long.
Morphology Reproductive morphology Inflorescences
Inflorescences of 2 sorts, both lax few-flowered terminal or leaf-opposed racemes, up to 4 cm. long, and also 1–2 flowers on filiform peduncles, up to 18 mm. long, apparently axillary from the leaf-clusters; bracts linear-subulate, ± as long as the pedicel, 2–3 mm. long; bracteoles inserted at the base of the calyx, filiform, 1·5–2 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx ± 9 mm. long, with the tube protracted on the lower side, rather densely appressed puberulous; upper lobes lanceolate-triangular, considerably longer than the tube, becoming reflexed.
Morphology Reproductive morphology Flowers Corolla
Standard suborbicular, yellow, veined brownish-purple, tomentellous outside; wings a little shorter than the keel, puberulous on the lateral surfaces; keel bent at right-angles in the lower half, with a well-developed twisted beak, 12–13 mm. long, thinly puberulous on the lateral surfaces.
Morphology Reproductive morphology Fruits
Pod and seeds unknown.
Habitat
Margins of riverine forest; 1700 m.
Distribution
T7
[FTEA]

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

  • 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