Amphithalea rostrata A.L.Schutte & B.-e.van Wyk

Species

Angiosperms > Fabales > Fabaceae > Amphithalea

Characteristics

A diffuse shrublet, up to 0.6 m tall. Branches sparsely leafy with scars left from fallen leaves, + glabrous; young twigs thin and slender, densely leafy, pilose. Leaves alternate, simple, ovate to broadly ovate with strongly revolute margins; blade (4.5-)7.0-10.0 x (2.0-)3.5-5.0 mm; petiole very short, less than 0.5 mm long; apex acute; base rounded or somewhat cordate; densely pilose abaxially, sparsely so adaxially. Stipules absent. Inflorescences single-flowered, axillary, condensed to 1-2(-4)-flowered terminal nodding capitula. Bracts linear, 2.5-3.0 mm long. Bracteoles absent. Flowers subsessile, 7-8 mm long, dark maroon-red. Calyx 5.5 mm long, purplish, with the upper two lobes fused much higher up; lateral and lower sinuses nearly of equal depth, the lateral ones slightly deeper; lobes triangular, acuminate to somewhat caudate; densely pilose. Standard 8.0-8.5 x 4.0-4.5 mm, ovate with the upper part cucullate; apex mucronate; base cordate; claw very short, less than 0.5 mm long. Wing petals shorter than the keel, 6.0-6.5 mm long, oblong to narrowly oblong, auriculate, distinctly pocketed, apical part of the lamina curved downwards; scufpturing upper basal, 3 rows of transcostal lamellae; claw 1.5-2.0 mm long. Keel petals 7.0-7.5 mm long, semicircular, with the distal part hidden in the upper part of the standard, auriculate, pocketed; apex distinctly rostrate; claw 1.0-1.5 mm long. Stamens 8.0-8.5 mm long; diadelphous, vexillary stamen free, the others fused for + half the length; anthers uniform in size. Pistil 5.5 mm long, sessile; style strongly curved upwards, glabrous; ovary with a single ovule, densely sericeous.
More
Erect, robust, resprouting shrublet to 50 cm. Leaves 1-foliolate, ovate, margins strongly recurved, hairy above, densely silky beneath. Flowers dark maroon-red, with cucullate standard apex and squarrose wing petals.
Life form -
Growth form shrub
Growth support free-standing
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Sexuality hermaphrodite
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Mature height (meter) 0.6
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Nitrogen fixer rhizobia
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Environment

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Soil texture 5-6
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Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Amphithalea rostrata world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:959565-1
WFO ID wfo-0000531934
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Amphithalea rostrata