Rorippa eustylis (F.Muell.) L.A.S.Johnson

Dwarf Bitter-cress

Contr. New South Wales Natl Herb. 3: 97 (1962) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Annual or ephemeral, to 30 cm high, decumbent to ascending, much-branched from base, glabrous or papillose. Leaves petiolate, 1–2-pinnately divided, to 9 cm long, lobes coarsely toothed. Sepals 2–2.5 mm long; petals 1.5–2 mm long, white; stamens 4. Fruit spreading, linear, straight, 10–25 mm long (excluding style), c. 1 mm wide; style less than 1.5 mm long; pedicels spreading, 1–5 mm long, seeds in 2 rows per locule, coat spongy, mucilaginous when wet. Flowers most of year.

MuF, MuM, MSB, RobP. All mainland States except ACT. Restricted to scattered swamps and flood-plains near the Murray River.

The basally-branched habit, 1–2-pinnately divided leaves and the non-winged seeds with a spongy coat are characteristic.

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.
Updated by: Val Stajsic, 2021-01-03
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Brassicales
family Brassicaceae
genus Rorippa
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Rorippa eustylis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Rorippa eustylis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales