Allium triquetrum L.

Three-corner Garlic

Sp. Pl. 300 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Bulb subglobose, 1–2 cm diam., usually with numerous bulblets. Scape triangular in section, 10–50 cm long, initially suberect, prostrate in fruit. Leaves almost basal, usually 2–5 per bulb, slightly channelled, rather fleshy, 15–50 cm long, 5–20 mm wide. Umbel 5–10-flowered, loose, flowers drooping; pedicels 1–2.5 mm long; spathe of 2 linear bracts, sometimes deciduous; perianth campanulate, segments oblong, 10–18 mm long, white with green central stripe; stamens shorter than the perianth segments and shortly united to them at base. Capsule ovoid, c. 6–7 mm long. Flowers Aug.–Nov.

*CVU, *DunT, *EGL, *GipP, *Gold, *GGr, *HNF, *HSF, *NIS, *OtP, *OtR, *Strz, *VRiv, *VVP, *WaP, *WPro. Also naturalised WA, SA, NSW, Tas. Native to the western Mediterranean region. A declared noxious weed in Victoria, often forming pure swards in moist, shaded sites in bushland, gardens and roadsides, mostly in the south (Portland, Port Campbell, Melbourne suburbs and nearby hills, Strzelecki Range) with outlying occurrences in the north-east (Euroa-Wangaratta area).

The arillate seeds are attractive to ants which are regarded as important dispersal vectors.

Source: Conran, J.G. (1994). Liliaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-12-03
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
genus Allium
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Allium triquetrum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Allium triquetrum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Victorian Riverina 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
Wilsons Promontory present introduced
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present naturalised
Strzelecki Ranges present naturalised

State distribution

Distribution map
Western Australia
South Australia
New South Wales