Common name: Common Cotula, Carrot Weed
Cotula australis (Sieber ex Spreng.) Hook.f. APNI*
Description: Prostrate or ascending annual or perennial herb, usually less than 10 cm high, weakly rooting at nodes, ± hairy.
Leaves obovate to oblanceolate, usually 1–2 cm long, 7–10 mm wide, pinnatisect to 1-pinnatisect, segments 3–7-lobed.
Heads 4–5 mm diam.; peduncles slender, exceeding leaves; involucral bracts oblong to lanceolate, subglabrous. Outer florets 3- or 4-seriate, lacking corolla. Inner florets bisexual, corolla pale yellow or cream.
Achenes 1–1.5 mm long; outer flattened, oblong, glandular, with narrow thickened wing; inner plano-convex, oblong, smooth, wingless.
Flowering: mostly winter to late spring.
Distribution and occurrence: Grows in open grassy situations, a roadside and lawn weed.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, SFWP, LHI
Other Australian states: Qld Vic. Tas. W.A. S.A.
Text by E. A. Brown
Taxon concept: Flora of NSW 3 (1992)
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.