Eriosema scioanum Avetta

First published in Nuovo Giorn. Bot. Ital. 21: 346 (1889)
This species is accepted
The native range of this species is Guinea, Nigeria to Ethiopia and Tanzania. It is a subshrub 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: Afromontane grassland, Sudanian grasslands, Lake Victoria regional transition zone; grasslands, Afromontane(upland) bushland and thicket., Lake Victoria regional mosaic; bushland and thicket
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
Perennial herb, prostrate or sprawling or with erect or ascending shoots from a prostrate stem or underground rhizome, rarely erect, 0·2–1·2 m. tall or long, branched.
Morphology Branches
Branches usually covered with spreading ferruginous hairs or adpressed pubescent.
Morphology Leaves
Leaflets 3, elliptic or almost round, rarely narrowly elliptic, 0·8–7 cm. long, 0·6–3·8 cm. wide, acute or obtuse and mucronulate at the apex, ± rounded at the base, softly pubescent and covered with glands on both surfaces; venation often raised beneath and surface sometimes plicate; petiole 1·1–4·5 cm. long; rhachis 0·5–1 mm. long; petiolules 2 mm. long; stipules mostly brown, lanceolate, 1·1–1·5 cm. long, 3–5 mm. wide, hairy, closely veined.
Morphology Reproductive morphology Inflorescences
Racemes terminal and axillary, 2–10 cm. long, 1·4–1·8 cm. wide, above a ferruginous peduncle (3–)5·5–19cm. long; pedicels ±1 mm. long; bracts persistent or deciduous, linear, 6–9 mm. long, 0·5–1·2 mm. wide, hairy.
Morphology Reproductive morphology Flowers Calyx
Calyx with spreading or adpressed silvery hairs, glandular, 4·5–5 mm. long; lobes unequal, triangular, shorter than the tube.
Morphology Reproductive morphology Flowers Corolla
Standard typically dark outside, brownish, crimson, purple or almost black, but in some variants yellow, yellowish or white inside with dark lines, broadly elliptic, 7–8 mm. long, 3–5 mm. wide, glabrous or with very few scattered hairs and median longitudinal area sparsely glandular; wings white or yellow; keel greenish or greenish-yellow, sometimes brown or purple at the apex; all petals with long claws.
Morphology Reproductive morphology Fruits
Pods oval-oblong, 8–12 mm. long, 6–9 mm. wide, covered with long ferruginous hairs and also with very fine pubescence and glands.
Morphology Reproductive morphology Seeds
Seeds oblong, brown with purple markings, longest dimension 3·5 mm., shorter dimension 2·5 mm., 1·2 mm. thick; rim-aril white.
Distribution
As above with addition of subsp. scioanum in Ethiopia
[FTEA]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/172635919/176376628

Conservation
LC - least concern
[IUCN]

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/
  • 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