Vigna vexillata (L.) A.Rich.

M. Thulin. Flora of Somalia, Vol. 1–4 [updated 2008] https://plants.jstor.org/collection/FLOS

Distribution

Widespread throughout the tropics.

Morphology General Habit

Perennial climbing or trailing herb; stems covered with brownish bristly hairs or glabrescent

Morphology Leaves Leaflets

Leaflets 3, ovate to linear-oblong, 2.5–16.5 x 0.4–8 cm, ± pubescent on both surfaces

Morphology Leaves Stipules

Stipules lanceolate, prolonged and subcordate or shortly auriculate at the base

Morphology Reproductive morphology Inflorescences

Inflorescences subumbellate, 2–6-flowered

Morphology Reproductive morphology Flowers Calyx

Calyx with brown or whitish long or short bristly hairs, or glabrescent

Morphology Reproductive morphology Flowers Corolla

Standard pink, purple or yellowish, 2–3.5 cm long, glabrous

Morphology Reproductive morphology Fruits

Pods held erect, 40–140 x 2.5–4 mm, covered with short or long brown bristly hairs, 10–18-seeded.

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

Morphology General Habit

Perennial climbing or trailing herb, 0·3–6 m. long, from a narrow woody rootstock.

Morphology Stem

Stems sparsely to very densely covered with brown hairs or bristles.

Morphology Leaves

Leaflets 3, ovate to lanceolate or in some variants elliptic or linear-oblong, 2·5–16·5 cm. long, 0·4–8·3 cm. wide, acute or acuminate at the apex, rounded or truncate at the base, usually entire but rarely slightly lobed, pubescent to velvety on both surfaces; venation ± raised and reticulate on both surfaces; petiole 1·5–11 cm. long; rhachis 0·4–3 cm. long; petiolules 2–4 mm. long; stipules lanceolate, 0·5–1·3 cm. long, veined, prolonged and sub-cordate or shortly auriculate at the base.

Morphology Reproductive morphology Inflorescences

Inflorescences axillary, 2–6-flowered, subumbellate or rhachis very short; peduncle 4·5–36 cm. long; pedicels 1–2 mm. long; bracteoles deciduous, lanceolate, 5–8 mm. long.

Morphology Reproductive morphology Flowers Calyx

Calyx with long brown or whitish bristly and also short white hairs, rarely glabrescent; tube 5–7 mm. long; lobes linear or linear-lanceolate, 0·2–2 cm. long, the upper pair joined at the base only.

Morphology Reproductive morphology Flowers Corolla

Standard bilaterally asymmetrical, yellow or more usually pink or purple, sometimes with yellow or purple marks at the base inside, oblate, 2–3·5 cm. long, 2–4 cm. wide, emarginate, glabrous; wings purple, pale at base and on inner face; keel white or pale lilac, asymmetrical, falcate, the beak incurved 180° and twisted to one side and the left-hand petal with a marked pocket in addition to the small basal pockets present in both petals.

Morphology Reproductive morphology Fruits

Pods held erect, linear-cylindrical, 4–14 cm. long, 2·5–4 mm. wide, covered with short or long brown bristly hairs, 10–18-seeded.

Morphology Reproductive morphology Seeds

Seeds buff to black, unspotted or brown to dark red with black speckling, oblong or oblong-reniform, longest dimension 2·5–4·5 mm., shorter dimension 2–2·5 mm.; aril vestigial or not developed.

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

Morphology General Habit

Perennial climbing or trailing herb, 0.3–6 m long, from a narrow woody rootstock.

Morphology Stem

Stem sparsely to very densely covered with brown hairs or bristles.

Morphology Leaves Leaflets

Leaflets 3, 2.5–16.5 × 0.4–8.3 cm, ovate to lanceolate or in some variants elliptic to linear-oblong, acute or acuminate at the apex, rounded or truncate at the base, usually entire but rarely slightly lobed, nearly glabrous to pubescent to velvety on both surfaces; venation ± raised and reticulate on both surfaces; petiole 1.5–11 cm long; rhachis 0.4–3 cm long; stipules 5–13 mm long, lanceolate, multinerved, prolonged and subcordate or shortly auriculate at the base.

Morphology Reproductive morphology Inflorescences

Peduncle 4.5–36 cm long; rhachis 0–1.5 cm long, 1–4-noded, internodes 2–6 mm long.

Morphology Reproductive morphology Flowers

Flower pink to purple, rarely white tinged with mauve, 1.7–2.6 cm long; pedicel 1–2 mm long, not expanding as the pod matures; bracteoles linear-lanceolate, 1-nerved.

Morphology Reproductive morphology Flowers Calyx

Calyx with long brown or whitish bristly and also short white hairs, rarely glabrescent; tube 4–7 mm long; lobes subequal, the upper pair joined at the base only.

Morphology Reproductive morphology Flowers Corolla

Standard bilaterally asymmetrical, with 2 parallel widely spaced appendages, rarely without appendages; keel twisted towards the right, asymmetrical, the beak incurved through 180°, the left-hand petal with a marked conical pocket 4–6 mm long.

Morphology Reproductive morphology Fruits

Pods 8–14 cm × 3–5 mm, linear-cylindrical, scabrous, covered with short or long brown bristly hairs, with a straight beak.

Morphology Reproductive morphology Seeds

Seed with hilum slightly excentric; aril vestigial or not developed.

Papilionaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Morphology General Habit

Stems twining or prostrate

Morphology Roots

Root tuberous and spindle-shaped

Morphology Reproductive morphology Flowers

Flowers pink or purplish turning yellow.

Seed Collecting Guide. RBG Kew (2013-2016)

Morphology General Habit

Perrenial climbing or trailing herb, 0.3-6 m long, from a narrow woody rootstock

Morphology Stem

stem sparsely to very densely covered with brown hairs or bristles

Morphology Leaves

leaflets 3, 2.5-16.5 x 0.4-8.3 cm, ovate to lanceolate or in some variants elliptic to linear-oblong, acute or acuminate at the apex, rounded or truncate at the base, usually entire but rarely slightly lobed, nearly glabrous to pubescent to velvety on both surfaces; venation ± raised and reticulate on both surfaces, petiole 1.5-11 cm long, peduncle 4.5-36 cm long; rhachis 0-1.5 cm long, 1-4-noded, internodes 2-6 mm long

Morphology Reproductive morphology Flowers

pink to purple, rarely white tinged with mauve, 1.7-2.6 cm long; pedicel 1-2 mm long, not expanding as the pod matures; bracteoles linear-lanceolate, 1-nerved

Morphology Reproductive morphology Flowers Calyx

calyx with long brown or whitish bristly and also short white hairs, rarely glabrescent; tube 4-7 mm long; lobes subequal, the upper pair joined at the base only, keel twisted towards the right, asymmetrical, the beak incurved through 180°, the left-hand petal with a marked conical pocket 4-6 mm long

Morphology Reproductive morphology Fruits

pods 8-14 cm x 3-5 mm, linear-cylindrical, scabrous, covered with short or long brown bristly hairs, with a straight beak. hilum slightly excentric; aril vestigial or not developed.

Ecology

grassland, savannah, SWamp, lake shore, open bush, forest margin, woodland, river and roadsides, fallow and weed in cultivation; clay or sandy loam over sandstone or granite. altitude:1 - 3900 m

Distribution

widely distributed throughout Africa.

Conservation

least concerned

Phenology

Flower (january - december), fruit (january - december)

Distribution

Biogeografic region: Amazonia, Andean, Caribbean, Pacific. Elevation range: 20–2000 m a.s.l. Cultivated in Colombia. Native to Colombia. Colombian departments: Amazonas, Antioquia, Caldas, Caquetá, Chocó, Córdoba, Cundinamarca, Huila, Magdalena, Nariño, Putumayo, Santander, Valle del Cauca.

Habit

Herb, Climbing.

Ecology

Habitat according IUCN Habitats Classification: forest and woodland, savanna, shrubland, native grassland, wetlands (inland), artificial - terrestrial.

International Legume Database and Information Service

Conservation

Not Threatened

Ecology

Africa: Sudanian woodland, Guinea-Congolia/Sudania regional transition zone; grasslands., Guinea-Congolia/Sudania regional transition zone; woodland, Lake Victoria regional transition zone; grasslands, Lake Victoria regional transition zone; woodland., Su

Morphology General Habit

Perennial, Climbing/Not climbing, Herb

Vernacular

Bejuco Marrullero, Chorreque, Tokambahatsy, Tsiroko, Wal-lima

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

Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia. http://www.biovirtual.unal.edu.co/nombrescomunes/

Vernacular

bejuco de chivo, frijolillo, frijolillo rastrero

Use

Environmental, Food and Drink, Forage, Medicine