Crotalaria teretifolia Milne-Redh.

First published in Kew Bull. 15: 161 (1961)
This species is accepted
The native range of this species is S. Tanzania to S. Tropical Africa. 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: not threatened. Confidence: confident
[AERP]

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

Morphology General Habit
Inconspicuous erect wiry annual, up to 2·5 dm. tall, sometimes much branched.
Morphology Stem
Stem very slender, glabrous.
Morphology Leaves
Leaves subsessile, simple; blades mostly terete, with a median groove along the upper surface, sometimes linear-oblanceolate, up to 20–40 mm. long, less than 1 mm. wide, acute,glabrous.
Morphology Leaves Stipules
Stipules filiform, ± 1 mm. long.
Morphology Reproductive morphology Inflorescences
Racemes lax, ± 3–5 cm. long, with usually 1–3 flowers on the filiform rhachis; bracts minute; bracteoles inserted at the top of the pedicel, similar to the bract.
Morphology Reproductive morphology Flowers Calyx
Calyx 1–5–2·5 mm. long, with a few appressed hairs; lobes triangular-acuminate, a little longer than the tube.
Morphology Reproductive morphology Flowers Corolla
Standard elliptic, pale yellow, with a darker red-fringed mark at the base inside, finely brown veined and glabrous outside; wings bright yellow, much shorter than the keel; keel bent at right-angles in the lower third, with a long narrow distinctly recurved untwisted beak, 4·5–5·5 mm. long.
Morphology Reproductive morphology Fruits
Pod sessile, narrowly cylindrical, up to 7–8 mm. long, 2 mm. across, thinly appressed pubescent, ± 12–15-seeded.
Morphology Reproductive morphology Seeds
Seeds cordiform, ± 1 mm. long, smooth, reddish-brown.
Figures
Fig. 130/12–20, p. 947.
Habitat
Sandy places in Brachystegia woodland and along roadsides, also pockets of soil on rock outcrops; 1180–1650 m.
Distribution
T4 T7 T8
[FTEA]

International Legume Database and Information Service

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

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

Morphology General Habit
Inconspicuous erect wiry annual, up to 25 cm tall, sometimes much branched; stem very slender, glabrous.
Morphology Leaves
Leaves subsessile, simple; blades c. 20–40 × 0.3–0.8 mm, mostly terete, with a median groove along the upper surface, sometimes linear-oblanceolate, glabrous; stipules up to 1 mm long, setaceous.
Morphology Reproductive morphology Flowers
Flowers and fruits similar to C.shirensis.
Morphology Reproductive morphology Flowers Calyx
Calyx 1.5–2.5 mm long, with a few appressed hairs.
Morphology Reproductive morphology Flowers Corolla
Keel 4.5–5.5 mm long.
Morphology Reproductive morphology Fruits
Pod (6)7–8 × 2 mm, c. 12–15-seeded.
[FZ]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/19893069/20053290

Conservation
LC - least concern
[IUCN]

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
  • 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/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • 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