Rhynchosia vendae C.H.Stirt.

Species

Angiosperms > Fabales > Fabaceae > Rhynchosia

Characteristics

Perennial twiner with terete stems, densely clothed with thin appressed soft hairs and with patent glandular-based hairs scattered among them. Stipules appressed, up to 4 mm long, 3 mm wide at the base, subulate, rapidly caducous, densely glandular outside, sparsely hairy inside. Leaflets 3, 45-87 mm long, 36-65 mm wide; laterals smaller, strongly gibbous with width ratio 2.2-2.4; apex acute, base truncate to broadly cuneate; finely pubescent above with a few scattered glands, coarsely pubescent below with hairs angled on the veins, otherwise patent, and with numerous small orange-coloured glands scattered in the intervenal areas; nervation prominent and raised on both surfaces. Petiole 25-60 mm long. Petiolules 2-3 mm long, canaliculate, stipellate. Inflorescences 1-2, axillary, racemose, laxly 15-25-flowered, with flowers borne in pairs, inserted spirally, flowers16-18 mm long; yellowish-brown; each pair subtended by a 4-5 mm long, ovate, rapidly caducous bract; ebracteolate; pedicels 7-10 mm long. Calyx finely pubescent on the outside and on the inner face of the teeth; glandular on the outside only; tube 3.5-4.0 mm long; lobes narrowly triangular, keel lobe the longest, 8-10 mm long, the other lobes all 7.0-8.5 mm long; vexillar lobes joined for ± 7/8 of their length. Standard 18 mm long, 13 mm wide, broadly obovate, narrowing into an auriculate 3 mm long claw; apex rounded; appendages present, bilobed, 1.5 mm above and free from auricles. Wings 13 mm long, 4 mm wide, yellow, half the length of the keel, auriculate, slightly pouched. Keel petals 20 mm long with 5 mm long claw, 8 mm wide, pocket present on the outside towards the base, 1-1.5 mm deep, auricles absent. Stamens diadelphous, sheath split adaxially; anthers monomorphic, anthers alternately basifixed and dorsifixed. 1-1.3 mm long. Pistil biovulate, 4.5 mm long, densely pubescent; style bent, height of curvature 6mm, pubescent to the point of flexure. Fruits 35-4  long, oblong falcate, narrowed towards the base, recurving downwards at the tip. Seeds unknown.
Life form perennial
Growth form herb
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
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Nitrogen fixer rhizobia
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Environment

Light -
Soil humidity 10-12
Soil texture 5-8
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Usage

Uses medicinal
Edible -
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Animal toxicity -

Cultivation

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Distribution

Rhynchosia vendae world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:900809-1
WFO ID wfo-0000187633
COL ID 4SSSK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhynchosia vendae