Fabaceae
Senna

Senna hookeriana Batke

First published in Bot. Zeitung (Berlin) 21: 264 (1863)
This species is accepted
The native range of this species is Somalia to SW. Arabian Peninsula. It is a shrub 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

Morphology General Habit
Shrub, erect, up to at least 2 m tall; young branches sparsely pubescent with minute appressed hairs, soon glabrous
Morphology Leaves
Leaves 7.5–13.5 cm long, eglandular; stipules subulate, 3–5 mm long; leaflets 5–8 pairs, ovate-elliptic, 1.7–3 x (0.7–)1–2 cm, obtuse to subacute at the apex, appressed puberulous
Morphology Reproductive morphology Inflorescences
Racemes 10–30 cm long; bracts broadly ovate, obtuse, c. 10 mm long
Morphology Reproductive morphology Flowers Corolla
Petals yellow, c. 16–18 cm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10: 2 anthers large, 5 medium-sized, 3 small
Morphology Reproductive morphology Fruits
Pods shortly oblong, slightly curved, flattened, 3–4.4 x 1.2–1.6(–2) cm, dehiscent
Morphology Reproductive morphology Seeds
Seeds transversely arranged, compressed, apiculate, rugose, ripe ones not seen.
Distribution
N1–3; S Arabia
Ecology
Altitude up to c. 1000 m.
Vernacular
Jalelo, jalelo gel (Somali).
[FSOM]

International Legume Database and Information Service

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

  • 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