Plants of South Eastern New South Wales

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Bidens subalternans

Common name

Greater Beggar's Ticks

Family

Asteraceae

Where found

Disturbed and moist sites. Mainly coast, ranges, and tablelands, norrh of Kiama. ACT. Occasionally farther south.

Notes

Introduced woody annual or perennial herb to 1.6 m high. 'Seeds' with barbs mainly on the awns, sticking to clothing. Stems almost hairless. Leaves opposite each other, deeply divided, usually 5-lobed, sometimes 7-lobed, each 4–11 cm long, 30–60 mm wide, hairy on the lower surface, margins toothed or entire. Flower heads oval behind the 'petals', with yellow 'petals' and yellow to brown centres 5-10 mm in diameter. Flowering: summer–autumn.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Bidens~subalternans (accessed 24 April 2021)