Fabaceae
Eriosema

Eriosema tessmannii Baker f. & Haydon

First published in E.G.Baker, Legum. Trop. Africa: 500 (1929)
This species is accepted
The native range of this species is W. Tropical Africa to Uganda. It grows primarily in the seasonally dry tropical biome.

Descriptions

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Sudanian grasslands, Guinea-Congolia/Sudania regional transition zone; grasslands.
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

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

Morphology General Habit
Erect perennial herb with several sparsely branched or unbranched stems 30–40 cm. tall from a woody rootstock.
Morphology Stem
Stems slender, covered with a dense pale brown to ferruginous pubescence.
Morphology Leaves
Leaves 1-foliolate; leaflet paler beneath, elliptic to lanceolate, 3–13 cm. long, 1–4 cm. wide, acute at the apex, narrowed to a rounded base, margins sometimes slightly wavy, pubescent above, velvety pubescent beneath with adpressed tangled white hairs on the surfaces between the main nerves which have straight ferruginous hairs, the difference between the two colours being quite striking in the dry state; petiole 3–5 mm. long; petiolules 2 mm. long; stipules 6–10 mm. long, 1–2 mm. wide, hairy, veined.
Morphology Reproductive morphology Inflorescences
Racemes axillary; rhachis 1·5–2·5 cm. long; peduncle 4–11 cm. long, ferruginous pubescent; pedicels 2 mm. long; bracts deciduous, not seen.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent and glandular, 3·5–5 mm. long; lobes narrowly triangular, slightly longer than the tube.
Morphology Reproductive morphology Flowers Corolla
Corolla described as yellow or two shades of yellow; standard obovate, 9 mm. long, 5 mm. wide, densely pubescent.
Morphology Reproductive morphology Fruits
Pod rounded-oblong, 1·2 cm. long, 8·5 mm. wide, covered with rather long hairs 0·5–1 mm. long, and also short hairs and glands.
Morphology Reproductive morphology Seeds
Seeds not seen.
Habitat
Rocky hillsides; 1080 m.
Distribution
U3
[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: not 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

    • 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