Common name: Trefoil
Lotus preslii Ten. APNI*
Description: Procumbent to erect annual; stems to 1 m long, glabrous to sparsely hairy.
Leaves 5-foliolate; leaflets obovate to ± elliptic, 3–15 mm long, 3–6 mm wide, lower 2 often smaller than upper ones, ± lanceolate, apex acute to acuminate, usually ± glabrous.
Umbels 2–6-flowered; peduncle 3–12 cm long. Calyx 7–9 mm long, sparsely hairy; teeth about 1.5 times as long as tube. Corolla 10–12 mm long, bright yellow; keel upturned with a long curved beak.
Pods terete, 2–4.5 cm long, 2–2.5 mm diam., ± straight, brown; seeds many, dark brown.
Flowering: Flowers summer–autumn.
Distribution and occurrence: Not common, naturalized in grassland; recorded for Canberra district. Native of Medit. region.
NSW subdivisions: *ST
Text by E. H. Norris & G. J. Harden
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.