Common name: Chinese Bur
Triumfetta rhomboidea Jacq. APNI*
Description: Shrub or subshrub.
Leaves dimorphic; lamina of stem leaves ± ovate, mostly 5–10 cm long, 3–6 cm wide, margins toothed or lobed; upper surface green, lower surface whitish; usually 3-veined from near base, petiole 1–6 cm long; leaves subtending panicles decreasing in size and becoming ± sessile, lamina lanceolate to elliptic, 1–4 cm long and to 2 cm wide, toothed, densely hairy, not distinctly 3-veined from base, ± sessile.
Cymes on peduncles c. 4 mm long. Sepals c. 6 mm long, hairy. Petals c. 6 mm long, yellow.
Fruit c. 6 mm. diam., spines c. 2 mm long, glabrous.
Distribution and occurrence: Naturalised, not common in this State; coastal districts north from Byron Bay; also naturalised in QLD, NT and WA. Thought to have probably been introduced by the Chinese into northern Queensland.
Triumfetta rhomboidea is a widespread tropical and subtropical weed
NSW subdivisions: *NC
Other Australian states: *Qld *W.A. *N.T.
Known as "Chinese Bur" in North Queensland.
Text by G. J. Harden
Taxon concept: Flora of NSW 1 (1990)
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.