Plants of South Eastern New South Wales

Print Fact Sheet

Polycarpon tetraphyllum

Common name

Four-leaved allseed, Four-leaf allseed

Family

Caryophyllaceae

Where found

Weed of lawns, pastures, gardens, and disturbed sites. Widespread.

Notes

Introduced annual, biennial, or perennial herb to 0.25 m high or prostrate, hairless. Leaves opposite each other or apparently in whorls of 4, 0.4–1.8 cm long, 2–10 mm wide, either stalked and oval or stalkless and spoon-shaped, tips blunt. Flowers 3–4 mm in diameter, with 5 sepals 2–3 mm long, with a broad, green midrib and membranous margins. Petals 5, minute, white. Flowers in much-branched clusters. Flowering: most of the year.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Polycarpon~tetraphyllum  (accessed 1 February, 2021)