Crotalaria dumosa Franch.

First published in Sert. Somal.: 25 (1882)
This species is accepted
The native range of this species is Ethiopia to N. Kenya, Yemen. It is a subshrub and grows primarily in the desert or dry shrubland biome.

Descriptions

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Type
N Somalia, without precise locality, Révoil 37 (P holo.)
Morphology General Habit
Much-branched shrublet, c. 0.2–0.7 m tall; branches densely appressed white pubescent
Morphology Leaves Leaflets
Leaflets 3, oblanceolate to obovate, up to 15 x 7 mm, ± thinly appressed pilose on both surfaces or sometimes beneath only; petiole up to 10 mm long
Morphology Leaves Stipules
Stipules to 4 mm long
Morphology Reproductive morphology Inflorescences
Racemes c. 2–7 cm long, up to 10(–15)-flowered, lax
Morphology Reproductive morphology Flowers Calyx
Calyx 2–3.5 mm long, pubescent
Morphology Reproductive morphology Flowers Corolla
Standard bright yellow, veined reddish, glabrous or with a few hairs along the midvein outside; keel strongly rounded about the middle, 5.5–8(–9) mm long, with a narrow slightly incurved untwisted beak
Morphology Reproductive morphology Fruits
Pod up to 7 x 4 mm, often mottled, white pilose, 4–8-seeded.
Distribution
N1–3; C1, 2; S1, 2; Djibouti, E Ethiopia, N Kenya, Arabia
Ecology
Altitude range 90–1400 m.
Vernacular
Ilcas, nagaaro, xajiin (Somali-N).
[FSOM]

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

Morphology General Habit
Much-branched spreading subshrub, ± 2–7 dm. tall.
Morphology Branches
Branches densely appressed white pubescent, glabrescent; bark brown with peeling epidermis.
Morphology Leaves
Leaves often subtending abbreviated shoots bearing clusters of smaller leaves, 3-foliolate; leaflets oblanceolate to obovate or almost obtriangular, up to 14 mm. long and 7 mm. wide, ± thinly appressed pilose on both surfaces; petiole up to 6 mm. long.
Morphology Leaves Stipules
Stipules filiform or linear-caudate, 1–4 mm. long.
Morphology Reproductive morphology Inflorescences
Racemes mostly lateral from the leaf-clusters, but a few usually also leaf-opposed, ± 2–7 cm. long, with up to 10(–15) laxly arranged flowers on the slender rhachis; bracts linear-lanceolate, up to 2 mm. long; bracteoles inserted at the base of the calyx or just below, linear, up to 2 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx 2–3·5 mm. long, pubescent; lobes acuminately triangular, ± as long as the tube or shorter.
Morphology Reproductive morphology Flowers Corolla
Standard suborbicular, bright yellow, veined reddish, glabrous or with a few hairs along the midvein outside; wings shorter than the keel; keel sharply rounded about the middle, with a narrow acute slightly incurved untwisted beak, 5·5–8(–9) mm. long.
Morphology Reproductive morphology Fruits
Pod shortly stipitate, ovoid-ellipsoid to narrowly oblong-obovoid, up to 7 mm. long, 4 mm. across, white pilose, 4–8-seeded.
Morphology Reproductive morphology Seeds
Young seeds wrinkled, terracotta; mature ones unknown.
Habitat
Deciduous bushland and semi-desert scrub, in open sandy and rocky places; 400–1150m.
Distribution
K1
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Somalia-Masai bushland and thicket
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[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: not threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

    • Flora of Somalia
    • 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/
  • 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
  • Kew Science Photographs

    • Copyright applied to individual images
  • 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