Common name: Native Rock Trefoil
Rhynchosia australis Benth. APNI*
Synonyms: Rhynchosia minima var. tomentosa Domin APNI*
Rhynchosia minima var. australis (Benth.) C.Moore APNI*
Description: Climbing or trailing herb; stems ± retrorsely pubescent and sparsely glandular.
Leaves 3-foliolate; leaflets ovate to rhombic or ± circular, 0.8–3 cm long, usually wider than long, pubescent to ± glabrous, lower surface gland-dotted; petiole 1–6 cm long; stipules 2–4 mm long.
Racemes 2–10 cm long, 2–15-flowered. Calyx 3–5 mm long, pubescent. Corolla mostly 6–9 mm long, yellow , sometimes streaked with purple.
Pod oblong-falcate, 10–14 mm long, 2–4 mm wide, with ± yellowish short hairs and longer, tuberculate hairs; seeds 2, c. 3 mm long, greyish, brown or black, often mottled.
Distribution and occurrence: Common in rock crevices and shallow soil on stony hillsides; north from Warren.
NSW subdivisions: NWP, NFWP
Other Australian states: Qld W.A. S.A. N.T.
Text by C. Gardner & T. A. James
Taxon concept: Flora of NSW 2 (1991)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.