Trachymene thysanocarpa J.M.Hart

Australian Systematic Botany 19: 33 (2006) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Erect, taprooted annual to 60 cm high. Leaves tufted at base and cauline; lamina ternately dissected, 1.5–5.5 cm diam., with segments cuneate and further ternately divided, surfaces sparsely pilose with glandular and/or eglandular hairs; petioles 1–7 cm long, pilose or glabrous (but then margins of sheathing bases ciliate). Umbels several to numerous, often umbellately arranged, 50–120-flowered; peduncle 2–15 cm long; involucral bracts 18–24, linear, 4.3–7.3 mm long, glabrous, rarely ciliate; pedicels 3–13 mm long. Sepals present, 0.2–0.4 mm long; petals ovate or elliptic, 1–1.8 mm long, white; stamens 1.5–2 mm long; styles 0.7–1.5 mm long. Mericarps 3.5–5.5 mm long, 3.2–3.8 mm wide, crenately winged along the dorsal margin, smooth to papillate, often one of some pairs smaller. Flowers Oct.–Dec.

LoM, MuM. Also SA, Qld, NSW. A rare species of mallee, broombush scrub and grassland on sandy loam soils, and known in Victoria from a few sites in the Sunset Country in the north-west, usually noted soon after fire.

Created by: Daniel Ohlsen, 2016-05-25
Updated by: Val Stajsic, 2019-02-13
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Apiales
family Araliaceae
genus Trachymene
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Trachymene thysanocarpa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Trachymene thysanocarpa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native

State distribution

Distribution map
South Australia
New South Wales