Common name: Greater Beggar's Ticks
Bidens subalternans DC. APNI* 
Description: Almost glabrous woody herb to 1.6 m high.
Leaves toothed or entire, hairy on the lower surface, pinnatifid, usually 5-lobed, sometimes 7-lobed, lobes linear to lanceolate, 4–11 cm long, 3–6 cm wide; petiole very slightly winged.
Heads 5–10 mm diam., ovoid; outer bracts with minutely hairy margins, shorter than inner bracts. Ray florets yellow.
Achenes linear, slightly laterally compressed, with a few barbs on the ribs; outer achenes 6–8 mm long, inner achenes 8–14 mm long; pappus awns 2 or 3 [sometimes 4], 1–2.5 mm long.
Flowering: summer–autumn.
Distribution and occurrence: Grows in wet and disturbed sites; Inverell south to Mathoura. Native of S Amer.
NSW subdivisions: *NC, *CC, *ST, *NWS, *CWS, *NWP, *SWP
Other Australian states: *Qld
Text by J. Everett
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.
|
