Sigesbeckia orientalis
L. Indian WeedErect herb to c. 80 cm high. Leaves lanceolate to hastate, 2–17 cm long, 1–7 cm wide, surfaces sparsely pubescent with broad-based hairs and sessile glands, apex acute, base cuneate, margins serrate, usually with 2 or more shallow basal lobes; petiole to 2 cm long. Capitula 6–13 mm diam.; outer involucral bracts linear-spathulate, 5–12 mm long, densely glandular-hairy, spreading; inner bracts boat-shaped, 2–4 mm long, glandular-hairy; receptacle scales obovate, 2–3 mm long. Ray florets c. 8, ligules 1–2 mm long; disc florets 10–15. Cypselas 2–3 mm long, curved, ridged, black.
GleP, VVP, VRiv, MuF, GipP, OtP, WaP, Gold, CVU, GGr, NIS, EGL, EGU, WPro, HSF, HNF, OtR, Strz, MonT, HFE, VAlp. Occurs in all Australian States. Regarded as naturalised in WA and Tas. Flowers Nov.–Apr. Scattered in at least seasonally moist sites, often in otherwise dryish vegetation, in southern and eastern Victoria.
Spinning
