Fabaceae
Vigna

Vigna nepalensis Tateishi & Maxted

First published in Kew Bull. 57: 629 (2002)
This species is accepted
The native range of this species is Central & E. Himalaya. It grows primarily in the subtropical biome.

Descriptions

Seed Collecting Guide. RBG Kew (2013-2016)

Morphology General Habit
twining herbs, stems slender, covered in white hairs 0.6-0.8 mm long
Morphology Leaves Stipules
stipules petiolate, narrowly elliptic, attentuate at apex, 8 mm long, margins ciliate
Morphology Leaves
leaflets sparsely covered with white hairs, particularly on veins
Morphology Leaves Leaflets
leaflets ovate or obliquely ovate, apex acuminate, rounded or truncate at base terminal leaflets 8-12 cm long, 5-9 cm wide, lateral leaflets 7-11 cm long by 4-8 cm wide
Morphology Leaves Stipel
stipels ovate, 2.5 x 1 mm
Morphology Reproductive morphology Inflorescences
10-20-flowered, axillary, mostly glabrous, peduncles 4-5 cm long, rachis 1 cm long
Morphology Reproductive morphology Inflorescences Bracts
primary bract 4.5 x 4 mm, secondary bract 7 x 5 mm, bracteoles 4 x 1.5 mm
Morphology Reproductive morphology Flowers
flowers golden yellow; calyx campanulate, 4.5 mm long, tubular for lower 3.5 mm; all petals clawed for 2-2.5 mm; standard asymmetrical, emarginate at apex, 12.5 x 20 mm, with an appendage at the centre of inner surface
Morphology Reproductive morphology Fruits
pods pendulous, glabrous, about 8 cm long by 0.5 cm wide, blackish at maturity
Morphology Reproductive morphology Seeds
seed oblong, pale brown flecked with black, testa smooth, hilum not protruding, linear, aril absent.
[SCG]

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: threatened. Confidence: low confidence
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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

  • Seed Collection Guides

    • Seed Collection Guides
    • http://creativecommons.org/licenses/by-nc-sa/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