Oenothera stricta subsp. stricta

Common Evening-primrose

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Erect annual or biennial herb, to 1 m high; main stem simple or branched, lateral stems curved. Basal leaves rosetted, oblanceolate, 10–15 cm long, 3–10 mm wide, sessile, margins with widely spaced serrations or teeth, base often long-attenuate, midrib conspicuous; cauline leaves lanceolate, 3–8.5 cm long, 3–12 mm wide, sessile, margins shallowly toothed, upper leaves short and broad-based, bract-like. Flowers actinomorphic, opening near sunset and fading by morning, single, sessile, in upper leaf axils; hypanthium 2–4.5 cm long; sepals lanceolate, 15–19 mm long, often failing to separate completely, bent to one side; petals 1.5–3 cm long, yellow, sometimes red-based, becoming wine-red on ageing. Capsule more or less cylindric, broader in upper part, 3–4 cm long, 3–4 mm wide, sparsely villous, dehiscing mainly at apex.  Flowers mostly Aug.–Jan.

*CVU, *DunT, *EGL, *EGU, *GipP, *Gold, *LoM, *MuF, *MuM, *NIS, *OtP, *RobP, *VRiv, *VVP, *Wim. Naturalised in all States. Widespread through lowland parts of Victoria particularly on sandy soils, mostly on roadsides, railway verges or in weedy riparian vegetation.

Willis (1973) uses the misspelt epithet striata for this species.

Source: Jeanes, J.A. (1996). Onagraceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-01-07
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Myrtales
family Onagraceae
genus Oenothera
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Oenothera stricta subsp. stricta in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Oenothera stricta subsp. stricta in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Murray Mallee present naturalised
Wimmera present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Robinvale Plains present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised

State distribution

Distribution map
State
Western Australia
Northern Territory
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania