Fabaceae
Eriosema

Eriosema affine De Wild.

First published in Ann. Mus. Congo Belge, Bot., sér. 4, 1: 200 (1903)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It is a subshrub or shrub 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]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

Morphology General Habit
Erect branched subshrub 0.6–1.8 m tall, sometimes flowering on leafless stems.
Morphology Branches
Branches blackish, ridged, younger parts greyish pubescent, older parts glabrous.
Morphology Leaves Leaflets
Leaflets 3, densely silvery tomentose, or at least paler beneath, 4–8 × 1.5–3 cm, ± elliptic-oblong or obovate-oblong, rounded but mucronulate, cuneate, sparsely pubescent above, densely pubescent and with numerous small orange glands beneath; venation prominent beneath forming a raised network; petiole 1.5–2.5 cm long; rhachis 1–2 cm long; petiolules densely pubescent, 2–3 mm long.
Morphology Reproductive morphology Inflorescences
Inflorescences numerous, axillary, subsessile, paniculate, 1.5–3 cm long; pedicels 2–3 mm long; bracteoles 3 mm long, enveloping in bud, deciduous.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent and glandular, c. 5 mm long; lobes deltate, shorter than the tube.
Morphology Reproductive morphology Flowers Corolla
Standard reddish-brown outside, 8–10 × 7(10) mm, elliptic or rounded obovate, pubescent and glandular outside; wings and keel greenish or bright yellow.
Morphology Reproductive morphology Fruits
Pods 1.8–3 × 0.8–1.2 cm, elliptic-oblong, with a velvety covering of densely matted yellowish or silvery-grey hairs and numerous small glands.
Morphology Reproductive morphology Seeds
Seeds creamy to dark reddish-brown, shiny, 6 × 4.5 × 2.1 mm, ovoid-oblong; rim aril pale cream-coloured.
[FZ]

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

  • 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