Rhaponticum australe (Gaudich.) Sojak

Novit. Bot. & Del. Sem. Hort. Bot. Univ. Carol. Prague 1962: 48 (1962) APNI

Taxonomic status:Accepted

Occurrence status:Extinct

Establishment means:Native

Threat status:EPBC: vulnerable (VU); Victoria: extinct (x)

Herb to c. 60 cm high; stems somewhat woolly to glabrescent. Basal and lower cauline leaves petiolate, oblanceolate, to 20 cm long, 6 cm wide, toothed to deeply pinnatifid, apex obtuse, scabrous, cobwebbed or glabrescent; upper cauline leaves smaller, few, subsessile. Capitula ovoid-globose, 3–6 cm diam.; involucre 25–50 mm long; outer and intermediate bracts ovate, scabrous, with a suborbicular lacerate terminal appendage 4–8 mm diam.; inner bracts subequal to florets, lanceolate, with a scarious undifferentiated terminal appendage. Corolla 25–50 mm long, purplish. Cypselas 4.5–5.5(–8) mm long, striate; pappus 20–25 mm long. Flowers spring and summer.

Probably now extinct in Victoria, known from the state by only two (1854) collections (Lake Omeo and Murrindal) where probably growing on black, fertile soils supporting native grassland.

The only native Victorian member of the tribe Cardueae and one of only two Australian members of the tribe.

Source: Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne (as Stemmacantha australis (Gaudich.) Dittrich).
Updated by: Neville Walsh, 2015-04-23
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Asteraceae
genus Rhaponticum
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Rhaponticum australe in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Rhaponticum australe in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
East Gippsland Uplands extinct native
Highlands-Northern Fall extinct native

State distribution

Distribution map
State
Western Australia
Queensland
New South Wales
Australian Capital Territory
Victoria