Polycarpon tetraphyllum (L.) L.

Four-leaved Allseed

Syst. Nat. edn+ 10 881 (1759) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Annual, biennial or perennial, with slender taproot. Stems prostrate to ascending or erect, 5–15(–25) cm long. Leaves sessile to petiolate, obovate to oblong-spathulate, 4–18 mm long, 3–10 mm wide, obtuse; petioles to nearly as long as lamina; stipules 1–2 mm long. Inflorescence much-branched; bracts 1–2 mm long. Flowers 3–4 mm diam.; pedicels 0.5–4 mm long; sepals mucronate, 2–3 mm long with a broad, green midrib and membranous margins; petals white, entire or emarginate, less than half sepal length; stamens 3–5. Capsule ovoid, c. 2 mm long; seeds pale brown, 0.4–0.6 mm long. Flowers most of year.

*Brid, *CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *MonT, *MuF, *MuM, *MSB, *NIS, *OtP, *RobP, *Strz, *VRiv, *VVP, *WaP, *WPro, *Wim. Also naturalised all States, Norfolk Is., Macquarie Is. Native to central Europe and the Mediterranean area, but widely introduced elsewhere. A common weed of lawns, disturbed and waste ground throughout extra-tropical Australia.

Source: Adams, L.G. (1996). Caryophyllaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-12-21
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Caryophyllanae
genus Polycarpon
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Polycarpon tetraphyllum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Polycarpon tetraphyllum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Murray Mallee present naturalised
Wimmera present naturalised
Glenelg Plain present naturalised
Bridgewater present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Scroll Belt present introduced
Robinvale Plains present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised
Wilsons Promontory present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Strzelecki Ranges present naturalised
Monaro Tablelands present naturalised

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory