Dumasia villosa Dc.

Species

Angiosperms > Fabales > Fabaceae > Dumasia

Characteristics

Herbs twining. Stems villous. Stipules small, linear-lan­ceolate or setiform, 2-3 mm, densely villous; petiole 3-5(-9.5) cm, densely hairy; petiolules 2-3 mm, hairy; leaflets papery; terminal leaflet ovate to broadly ovate, 3.5-5(-9) × 2-3(-5) cm, both surfaces densely adpressed villous, lateral veins 4-6 pairs, base rounded, almost truncate or broadly cuneate, apex obtuse or slightly concave, with mucro; lateral leaflets slightly smaller and oblique. Raceme axillary, 4-11(-15) cm, flowers clus­tered or slightly sparse; peduncle obvious; bracts and brac­teoles small, setiform. Flowers 1.5-1.8 cm; pedicel short, ca. 2 mm, pubescent. Calyx ca. 10 mm, glabrous or sparsely ad­pressed hairy. Corolla yellow; petals subequal, with obvious claws; standard obovate; wings and keels oblong-elliptic, with long claws, auricles absent. Style long, hairy, compressed near top; stigma capitate. Legume oblong, constricted between seeds, 2-3 × ca. 0.5 cm, densely yellow villous. Seeds 1-4, black or blue. Fl. Sep-Oct, fr. Nov-Dec. 2n = 20.
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Climbing perennial herb, 1·5–3 m. long.. Stems slender, covered with spreading ferruginous hairs.. Leaflets thin, ovate-oblong, 1·3–6 cm. long, 0·7–5 cm. wide, slightly emarginate or rounded and mucronulate at the apex, subcordate to cuneate at the base, sparsely pilose above or glabroussave for midrib, sparsely to densely adpressed pilose beneath; petiole 2–6·5 cm. long; rhachis 0·7–1 cm. long; petiolules 1–4 mm. long; stipules linear-lanceolate, 2–5 mm. long.. Racemes 2–4(–12) cm. long above a peduncle 2–6 cm. long; pedicels 2 mm. long; bracts 2 mm. long; bracteoles linear, 1–2 mm. long.. Calyx pubescent, 7–8 mm. long.. Standard yellow, blackening on drying, elliptic-oblong, 1·6–1·7 cm. long, 8–9 mm. wide; claw ± 6 mm. long.. Pods linear, 2–4 cm. long, 8 mm. wide, velvety with yellow-brown pubescence or sometimes glabrescent.. Seeds black, subglobose or ellipsoidal, longest dimension 6–5 mm., shorter dimension 5 mm., 5 mm. thick, adhering to the placenta after the pod dehisces.. Fig. 74.
Climbing, perennial herb, 1.5-3.0 m high; stems slender, ferruginous-hairy. Leaves pinnately trifoliolate. Leaflets ovate, glaucous and thinly appressed-hairy below. Stipules setaceous; stipellae present. Flowers yellow, darkening on drying, solitary, clustered, or in axillary pedunculate racemes; bracts small. Flowering time Dec.-Feb. Pod subsessile, linear, falcate, torulose, compressed.
Slender climber. Leaves pinnately 3-foliolate, leaflets ovate, glaucous and thinly adpressed-hairy beneath. Flowers in slender, pedunculate racemes, yellow, calyx truncate-cupular.
Life form perennial
Growth form herb
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses medicinal social use
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dumasia villosa unspecified picture

Distribution

Dumasia villosa world distribution map, present in Angola, Bhutan, China, Ethiopia, Indonesia, India, Kenya, Lao People's Democratic Republic, Sri Lanka, Madagascar, Myanmar, Mozambique, Malawi, Malaysia, Nepal, Pakistan, Philippines, Papua New Guinea, Thailand, Timor-Leste, Taiwan, Province of China, Tanzania, United Republic of, Uganda, Viet Nam, South Africa, Zambia, and Zimbabwe

Conservation status

Dumasia villosa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:493520-1
WFO ID wfo-0000180335
COL ID 382CN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dumasia villosa Dumasia glaucescens Dumasia congesta Erythrina mairei Dumasia pubescens Glycine parviflora Apios martini Dumasia capensis Dumasia villosa var. villosa

Lower taxons

Dumasia villosa var. leiocarpa Dumasia villosa subsp. bicolor Dumasia villosa var. arunachalensis Dumasia villosa subsp. villosa