Fabaceae
Vigna

Vigna procera Welw. ex Hiern

First published in Cat. Afr. Pl. 1: 256 (1896)
This species is accepted
The native range of this species is Angola to Zambia. It grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/170467/1314728

Conservation
NT - near threatened
[IUCN]

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
Insufficiently known
Ecology
Africa: Zambezian woodland, Zambezian grassland
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

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

Morphology General Habit
Perennial herb with several annual erect stems from a woody rootstock.
Morphology Stem
Stem hairy, up to c. 60 cm tall.
Morphology Leaves Leaflets
Leaflets 3, 1 on first nodes, 4.5–12 × 2–5.5 cm, lateral leaflets half the size of the terminal one, obtuse-rounded and apiculate at apex, truncate at the base, densely hairy; tertiary venation parallel; petiole reduced to pulvinus, up to 2 mm long; rhachis up to 12 mm long; stipules slightly bilobed at the base, 8–11 × 3.5–4 mm, multinerved.
Morphology Reproductive morphology Inflorescences
Peduncle 9.5–23 cm × 2–4 mm, hairy; rhachis 0.2–2.5 cm long, 2–5-noded, lower internodes 2–13 mm long.
Morphology Reproductive morphology Flowers
Flower pink to purple, 17–22 mm long; pedicel 0.5–2 mm long, not expanding as the pod matures; bracteoles 4–5 × 1.5 mm.
Morphology Reproductive morphology Flowers Calyx
Calyx hairy; tube c. 4 mm long; lobes 9–18 mm long, the upper two united for one-fifth to two-thirds of their length, the lower equally long.
Morphology Reproductive morphology Flowers Corolla
Standard with 2 parallel widely spaced weak appendages; keel without a beak, slightly twisted towards the left.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 6–8-ovuled.
Morphology Reproductive morphology Fruits
Pod 5–6.5 cm × c. 8 mm, linear, slightly compressed, densely hairy, with a curved beak.
Morphology Reproductive morphology Seeds
Seed 4–5 × 3–4 × c. 2.5 mm; hilum central 1.5 mm long; rim aril reduced.
[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/

  • 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