Crotalaria iringana Harms

First published in Bot. Jahrb. Syst. 54: 379 (1917)
This species is accepted
The native range of this species is Tanzania. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland, Zambezian bushland and thicket, Zambezian grassland
Morphology General Habit
Annual, Not climbing, Herb
[ILDIS]

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

Morphology General Habit
Annual, with a short erect stem, up to 3(–6) dm. tall, and long procumbent lower branches.
Morphology Branches
Branches sparsely clothed with rather bristly hairs.
Morphology Leaves
Leaves 1-foliolate; leaflets ovate-lanceolate or ovate, up to 20–80 mm. long and 15–24 mm. wide, sparsely hirsute on both surfaces; petiole up to 4–7 mm. long.
Morphology Leaves Stipules
Stipules filiform, up to 4(–6) mm. long.
Morphology Reproductive morphology Inflorescences
Racemes pedunculate, up to 4–8 cm. long, with ± 12–20(–33) closely arranged flowers towards the top; bracts filiform, up to 4 mm. long; bracteoles inserted at the base of the calyx, similar to the bract.
Morphology Reproductive morphology Flowers Calyx
Calyx becoming basally truncate and deflexed against the pedicel, 3–4 mm. long, sparsely hirsute; lobes acuminate-triangular, a little longer than the tube.
Morphology Reproductive morphology Flowers Corolla
Standard suborbicular, cream, with fine purplish veins, glabrous outside; wings longer than the keel; keel strongly rounded about the middle, with a short blunt incurved untwisted beak, 3–4 mm. long.
Morphology Reproductive morphology Fruits
Pod sessile, subglobose, 5–6 mm. long, densely hairy with two storeys of long hairs, rather thick-walled and tardily dehiscent, 1–2-seeded.
Morphology Reproductive morphology Seeds
Seeds oblique-cordiform, 2·5–3 mm. long, wrinkled, brown.
Habitat
Brachystegia woodland and deciduous bushland, often on sandy soils, also persisting on roadsides and cultivated ground; 900–1500 m.
Distribution
T1 T2 T4 T5 T7 not known elsewhere
[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

  • Herbarium Catalogue Specimens

  • 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