Rhynchosia albissima Gand.

Silver snoutbean (en)

Species

Angiosperms > Fabales > Fabaceae > Rhynchosia

Characteristics

Erect subshrub or woody herb, 0·4–1·8 m. tall.. Stems pubescent, the younger parts usually covered with a dense grey or silvery velvety tomentum.. Leaflets 3, usually paler beneath, elliptic, obovate, round or rhomboid, the laterals oblique, 0·7–4 cm. long, 0·6–3·7 cm. wide, rounded or subacute at the apex, rounded at the base, pubescent to velvety and usually silvery-grey on both surfaces, gland-dots only visible in the more sparsely covered leaflets; venation prominent beneath; petiole 0·8–3 cm. long; rhachis 2–8 mm. long; petiolules 1–2 mm. long; stipules ovate-lanceolate, 3 mm. long, 1·2 mm. wide, pubescent.. Inflorescences fairly dense, axillary or terminal; rhachis 2·5–5 cm. long; peduncle 1·5–6 cm. long; pedicels 2 mm. long; bracts deciduous, lanceolate, 3 mm. long, 0·5 mm. wide, pubescent.. Calyx silvery-grey pubescent; tube 2·5–4 mm. long; lobes lanceolate, 2–5 mm. long, the upper pair joined for ± half to three-quarters of their length.. Standard yellow, veined and flushed with deep purple outside, obovate, 0·7–1·5 cm. long, 0·5–1 cm. wide, silvery pubescent and with orange glands; wings deep yellow; keel pale greenish-yellow.. Pods oblong-falcate, (1·3–) 1·6–1·8 cm. long, 5–6·5 mm. wide, covered with tangled grey or silvery hairs and sometimes with sparse longer yellow hairs intermixed.. Seeds reddish-brown, densely mottled blackish, oblong-reniform, longest dimension 4 mm., shorter dimension 3 mm., 2·2 mm. thick.
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Erect subshrub or woody herb, 0.4-2 m tall. Stems pubescent, the younger parts usually covered with a dense grey or silvery velvety tomentum. Leaflets 3, usually paler beneath, 0.7-4 x 0.6-3.7 cm, elliptic, obovate, round or rhombic, less often distinctly acute, the laterals oblique, rounded or subacute at the apex, rounded at the base, pubescent to velvety and usually silvery-grey on both surfaces, gland dots only visible in the more sparsely covered leaflets; venation prominent beneath; petiole 8-30 mm long; rhachis 2-8 mm long; petiolules 1-2 mm long; stipules.3 x 1.2 mm, ovate-lanceolate, pubescent. Inflorescences fairly dense, axillary or terminal; rhachis 2.5-5 cm long; peduncle 1.5-6 cm long; pedicels 2 mm long; bracts deciduous, 3 x 0.5 mm, lanceolate, pubescent. Calyx silvery-grey pubescent; tube 2.5-4 mm long; lobes 2-5 mm long, lanceolate, the upper pair joined for ± half to three-quarters of their length. Standard yellow, veined and flushed with deep purple outside, 7-10(15) x 5-10 mm, obovate, silvery pubescent and with orange glands; wings deep yellow; keel pale greenish-yellow. Pods (12) 16-18 x 5-6.5 mm, oblong-falcate, covered with tangled grey or silvery hairs and sometimes with sparse longer yellow hairs intermixed. Seeds reddish-brown, densely mottled blackish, 4 x 3 x 2.2 mm, oblong-reniform.
Leaflets 3, usually paler beneath, 0.7–4 × 0.6–3.7 cm, elliptic, obovate, round or rhombic, less often distinctly acute, the laterals oblique, rounded or subacute at the apex, rounded at the base, pubescent to velvety and usually silvery-grey on both surfaces, gland dots only visible in the more sparsely covered leaflets; venation prominent beneath; petiole 8–30 mm long; rhachis 2–8 mm long; petiolules 1–2 mm long; stipules 3 × 1.2 mm, ovate-lanceolate, pubescent.
Standard yellow, veined and flushed with deep purple outside, 7–10(15) × 5–10 mm, obovate, silvery pubescent and with orange glands; wings deep yellow; keel pale greenish-yellow.
Inflorescences fairly dense, axillary or terminal; rhachis 2.5–5 cm long; peduncle 1.5–6 cm long; pedicels 2 mm long; bracts deciduous, 3 × 0.5 mm, lanceolate, pubescent.
Calyx silvery-grey pubescent; tube 2.5–4 mm long; lobes 2–5 mm long, lanceolate, the upper pair joined for ± half to three-quarters of their length.
Pods (12)16–18 × 5–6.5 mm, oblong-falcate, covered with tangled grey or silvery hairs and sometimes with sparse longer yellow hairs intermixed.
Stems pubescent, the younger parts usually covered with a dense grey or silvery velvety tomentum.
Seeds reddish-brown, densely mottled blackish, 4 × 3 × 2.2 mm, oblong-reniform.
Erect subshrub or woody herb, 0.4–2 m tall.
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
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 -

Distribution

Rhynchosia albissima world distribution map, present in Ethiopia, Kenya, Mozambique, Somalia, Thailand, Tanzania, United Republic of, Uganda, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:517122-1
WFO ID wfo-0000185734
COL ID 6WVQ8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhynchosia albissima Rhynchosia albomarginata