Roepera compressa (J.M.Black) Beier & Thulin

Rabbit-ears Twinleaf

Pl. Syst. Evol. 240: 30 (2003)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Erect or ascending annual herb to c. 25 cm high. Leaves mostly 15–45 mm long, glaucous; leaflets continuous with petiole, ovate to suborbicular, uppermost oblong, mostly 8–25 mm long, 2–15 mm wide, appressed to each other by their upper surfaces, apex acute to rounded. Sepals 4, ovate-lanceolate, 1.5–3 mm long, deflexed in fruit; petals 4, obovate, 3–6 mm long, apex rounded, yellow; stamens 8, filaments winged in lower part. Fruiting pedicels 4–8 mm long; fruit a 4-angled loculicidal capsule, obovoid, 7–10 mm long, drooping, rounded at apex with a short point; seeds 2–4 per cell. Flowers mostly Apr.–Nov.

MuM, RobP. Also WA, NT, SA. In Victoria, confined to the far north-west where known only from the Copi and Raak Plains south of Mildura and a disjunct occurrence near Piangil. Found on gypseous rises and claypans in herbfield.

Source: Jeanes, J.A. (1999). Zygophyllaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne (as Zygophyllum compressum J.M.Black).
Updated by: Neville Walsh, 2019-06-06
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
Higher taxa


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