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Alysicarpus ovalifolius (Schumach.) J.Léonard

Reference
Bull.Jard.Bot.État.Bruxelles 24:88 (1954)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect, prostrate or decumbent annual, herb, to 1 m high. Fl. orange/red/purple, Mar to Jun. Yellow sand, sandy clay, red skeletal soil, loam, basalt. Disturbed ground, lawns, river banks, coastal areas.

Amanda Spooner, Descriptive Catalogue, 30 April 2005

Scientific Description

Prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 10-40 mm long, 7-25 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 5-10 mm long, without glands, ribbed. Pedicel present, 1.5-1.6 mm long, hairy. Bracteoles absent. Calyx 4.5-5.2 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 5-6 mm long, multicoloured, mostly red, orange or purple, with some red, orange or purple spots, streaks or blotches; claws present; standard 4.5-5 mm long, glabrous, not auriculate. Stamens ten; filaments united in an open sheath with one free stamen. Ovary stipitate, glabrous; style 6-7 mm long, glabrous, not bearded, terete. Fruit indehiscent and splitting into sections (schizocarps), 12-16 mm long, 2-3 mm wide, stipitate or sessile or subsessile, constricted between the seeds, flat or compressed, glabrous, not beaked. Flowers in March, April, May and June. Occurs in the Northern Botanical Province, in the Northern Kimberley, Victoria Bonaparte, Ord-Victorian-Plain and Dampierland IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Keep, Mitchell, Pindanland, Purnululu.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.