Argyrolobium harveyanum Oliv.

Leguminosae, various authors. Flora Zambesiaca 3:7. 2003

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary sericeous; style c. 1 mm long, sericeous.

Morphology Reproductive morphology Fruits

Pod c. 35 × 3.5 mm, compressed, pubescent.

Morphology Reproductive morphology Seeds

Seeds not seen.

Morphology General Habit

Slender herb, from a small tuberous rootstock or slender rhizome.

Morphology Stem

Stems simple or few-branched, erect or ascending, up to c. 40 cm high and 0.6–0.8 mm in diameter, glabrous or silky hairy to the apex.

Morphology Leaves

Leaves distant, sessile or petiolate; leaflets appressed pubescent, those of the lower leaves 8–20 × 2.5–4 mm, narrowly elliptic, those of the upper leaves 15–27 × 1–3 mm, oblanceolate to linear; petiole up to 1.5 mm long; stipules 2–4.5(6) mm long, subulate, decurrent on the stem as a ridge.

Morphology Reproductive morphology Inflorescences

Inflorescence leaf-opposed, sessile or very shortly pedunculate, 1–2-flowered.

Morphology Reproductive morphology Flowers Calyx

Calyx 9–10 mm long, sericeous; upper lip 6.5–8 mm long, 2-lobed to near base; lower lip as long as the upper one, 3-lobed, the lobes c. 3.5 mm long, acuminate.

Morphology Reproductive morphology Flowers Corolla

Corolla bright yellow; standard 11–12 mm long, obovate, obtuse and deeply emarginate at apex, with wavy or crisped margins, sericeous outside; wings c. 8 mm long, obovate, obtuse, asymmetrical at the base, with rows of folds between the upper veins, glabrous; keel as long as the wings, curved, obtuse, glabrous.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens united into a sheath c. 8 mm long, split above; anthers glabrous, the longer ones 1.1 mm long.