Vigna unguiculata subsp. pubescens (R.Wilczek) Pasquet

First published in Bull. Jard. Bot. Natl. Belg. 62: 164 (1993)
This subspecies is accepted
The native range of this subspecies is South Sudan to Mozambique. It is a annual or perennial and grows primarly in the seasonally dry tropical biome(s).

Descriptions

International Legume Database and Information Service

Conservation
Not Threatened
Morphology General Habit
Annual/Perennial, Climbing/Not climbing, Herb
[ILDIS]

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

Morphology General Habit
Perennial climbing herb 1–2 m. long.
Morphology Stem
Stems densely pubescent with short white hairs.
Morphology Leaves
Leaflets 3, ovate to lanceolate in outline, the laterals oblique, 5–10 cm. long, 1–5 cm. wide, terminal leaflet subhastate to deeply 3-lobed, laterals lobed on outer side only, rounded to subacute and mucronate at the apex, rounded to acute at the base, pubescent on both surfaces; petiole 2–7 cm. long; rhachis 0·6–1·5 cm. long; petiolules 2–3 mm. long; stipules submedifixed, ovate-lanceolate, 1·5–2·6 cm. long, 4–8 mm. wide, acuminate, constricted at the point of attachment, the spur 4–9 mm. long.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary; rhachis 1–2·5 cm. long; peduncle 7–54 cm. long; pedicels 1–2 mm. long; bracts oblong-lanceolate, subspathulate, 4–5 mm. long; bracteoles ± persistent.
Morphology Reproductive morphology Flowers Calyx
Calyx pubescent or glabrescent; tube 2–3 mm. long; lobes deltoid, 2–4 mm. long, acuminate, upper pair joined for ± half their length to form a broad lobe, bifid at the apex.
Morphology Reproductive morphology Flowers Corolla
Standard purple, obovate-oblate, 1·3–2·2 cm. long, 1·5–2·4 cm. wide, ± emarginate, glabrous; wings purple; keel paler, the beak rather short, somewhat incurved but not twisted.
Morphology Reproductive morphology Fruits
Pods held erect, linear-cylindrical, 5–8 cm. long, 2–4 mm. wide, covered with a short dense often ferruginous pubescence of tubercle-based hairs, 15–18-seeded.
Morphology Reproductive morphology Seeds
Seeds dark red with black speckling, oblong-reniform or oblong, longest dimension 3–4·7 mm., shorter dimension 2·5–3·5 mm., 1·5–2·5 mm. thick; hilum small, eccentric; rim-aril narrowly developed.
Habitat
Bushland, grassland, grassland with scattered trees; 0–1000 m. or perhaps more
Distribution
K5 K7 T3 T4 T6 T8 U3
[FTEA]

Sources

  • 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 Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0