Rhynchosia buchananii Harms

Species

Angiosperms > Fabales > Fabaceae > Rhynchosia

Characteristics

Leaflets 3, 2–6.5 × 1.5–7 cm, the terminal oblate to rounded ovate, the laterals obliquely ovate, acute to distinctly acuminate at the apex, rounded to very slightly emarginate at the base, finely ± appressed pubescent above and with scattered longer tubercular based hairs, shortly pubescent beneath, the gland dots rather obscure; venation beneath raised and reticulate, mostly very distinctly so; petiole 1.5–4 cm long; rhachis 8–15 mm long; stipules 4 × 2 mm, triangular-lanceolate.
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Calyx pubescent and with long glandular-based hairs and scattered glands; tube 4 mm long; two upper lobes joined for ± three-quarters of their length; laterals 4–7 mm long, lanceolate-triangular; lowest lobe 11–16 mm long, lanceolate-attenuate, often twice as long as others.
Inflorescences terminal and axillary, often branched, 4–15 cm long including peduncle up to 5 cm long, hairy as in the stems; pedicels 2 mm long; bracts brown, 7 × 2.5–6 mm, ovate, acuminate, with glandular-based hairs outside, deciduous.
Usually an erect shrub but sometimes decumbent, scrambling or climbing, 0.6–1.5 m tall or long; stems puberulous with very short hairs and with dense longer yellow sticky glandular hairs.
Standard yellow with brown veins which dry purple, 16–20 × 10 mm, including 5 mm long claw, oblong-obovate, densely pubescent outside.
Pods 3–3.5 × 0.8–1 cm, falcate-oblanceolate, narrowed at the base with dense tubercular based hairs and shorter pubescence.
Ovary and young fruit very densely covered with long yellow glandular hairs.
Seeds blackish, 5–6 × 4–5 × 1.5 mm, rounded-oblong, compressed.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.5
Root system -
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Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
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Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
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Distribution

Rhynchosia buchananii world distribution map, present in Angola, Mozambique, Malawi, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:517162-1
WFO ID wfo-0000185908
COL ID 4SSFS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhynchosia buchananii