Plants of South Eastern New South Wales

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Gamochaeta pensylvanica

Common name

Cudweed

Family

Asteraceae

Where found

Dry forest and shrubland. Coastal. Mainly Sydney area and the ranges inland from Sydney. Occasionally elsewhere.

Notes

Introduced annual herb to 0.5 m high, or sprawling. Stems tomentose. Leaves basal and alternating up the stems, 2.5–8 cm long, 4–18 mm wide, upper surface green and almost hairless, lower surface white-tomentose to woolly, tips rounded to blunt and mucronate. Flower heads 1.5–3 mm in diameter, surrounded by and almost obscured by long woolly hairs. Bracts tightly surrounding the flower heads green to straw-coloured, margins and tips shining, woolly at the base. Flower heads in dense or loose spikes subtended by 3 or 4 leaflike bracts. Flowering: mainly September–October.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Gamochaeta~pensylvanica (accessed 16 April 2021)

Flora North America description:  http://efloras.org/florataxon.aspx?flora_id=1&taxon_id=242323042 (accessed 16 April 2021)