Lepidium didymum L.

Lesser Swine's Cress

Mant. Pl. 92 (1767) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Annual or perennial herb, prostrate to ascending, with or without sparse soft hairs, malodorous; stems 15–30 cm long. Basal leaves petiolate, to 9 cm long, pinnately divided with 3–5 pairs of pinnately incised lobes; stem leaves becoming smaller, finally sessile and entire. Inflorescence exceeding leaves. Sepals 1–2 mm long; petals shorter than sepals or absent, white; stamens 2 (rarely 4); stigma sessile. Fruit bilobed, 1.5–2 mm long, 2–3 mm wide, notched at apex and base, constricted at septum, separating into two sub-globose portions; valve surface with pits and warts; pedicels 1.5–3 mm long. Flowers spring–summer.

*CVU, *EGL, *GipP, *Gold, *GGr, *HSF, *LoM, *MuF, *MuM, *NIS, *OtP, *OtR, *VRiv, *VVP, *Wim. Also naturalised WA, SA, Qld, NSW, ACT, Tas. Common weed of disturbed areas.

Source: Entwisle, T.J. (1996). Brassicaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne (as Coronopus didymus (L.) Sm.).
Updated by: Val Stajsic, 2019-11-19
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Brassicales
family Brassicaceae
genus Lepidium
Higher taxa


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

State distribution

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