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Vicia monantha Retz.
Squarestem Vetch

Reference
Observ.Bot. 3:39-40 (1783)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Procumbent or twining annual, herb, 0.05-0.3 m high. Fl. purple-blue-white, Apr to May or Jul to Oct. Brown clay loam, red sandy loam, granite. Damp areas, roadsides, cropland, paddocks.

Amanda Spooner, Descriptive Catalogue, 24 August 2007

Scientific Description

Twining or climbing plants. Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, continuous with stem, 60-80 mm long, glabrous, flat with flat margins; margins entire; tubercles absent, leaflets 10-12, pinnately arranged, terminal leaflet absent; pustules or glands absent. Stipules present and persistent to older leaves, 3-4 mm long, without glands, ribless. Pedicel present, 2 mm long, hairy. Bracteoles absent. Calyx 6 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 15 mm long, multicoloured, mostly purple or blue, with some purple or blue spots, streaks or blotches; claws present; standard 15 mm long, glabrous, not auriculate, wings 14.5 mm long, not auriculate, keel 12 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.2-0.3 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 11-12 mm long. Ovary; style 12 mm long, hairy or glandular towards the base, bearded (with a tuft of hairs at apex), flattened at apex. Fruit dehiscent (a pod or follicle), stipitate or sessile or subsessile, not constricted between the seeds, flat or compressed, not beaked. Flowers in April, May, July, August, October and November. Occurs in the South-West Botanical Province, in the Avon Wheatbelt IBRA regions.

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

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains.
IBRA Subregions
Eastern Goldfield, Fitzgerald, Katanning, Merredin.
Local Government Areas (LGAs)
Beverley, Coolgardie, Dundas, Kalgoorlie-Boulder, Merredin, Narembeen, Ravensthorpe.