Roepera iodocarpa (F.Muell.) Beier & Thulin

Violet Twinleaf

Pl. Syst. Evol. 240: 31 (2003)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Spreading annual herb to c. 20 cm high, loosely branched; stems often tinged violet. Leaves 20–40 mm long, green; leaflets distinctly articulate at base, oblong- to obovate-cuneate, 10–20 mm long, 3–10 mm wide, apex emarginate or rarely entire; common petiole distinctly winged. Sepals 5, ovate, 2–3 mm long, deflexed in fruit; petals 5, obovate, 3–4 mm long, apex rounded, yellow; stamens 10, filaments broad-winged in lower half, wings truncate at apex. Fruiting pedicels 3–5 mm long; fruit a 5-angled loculicidal capsule, more or less globose, 5–7 mm long, drooping, rounded at apex with a short point, often tinged violet; seeds 1 or 2 per cell, shiny. Flowers Jun.–Dec.

MuM, MSB, RobP, VRiv. All mainland states. In Victoria, confined to the far north-west where occasional in tussock grassland, mallee or woodland communities, mostly on clay or loamy clay soils particularly in saline areas.

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 iodocarpum F.Muell.).
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 iodocarpa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Roepera iodocarpa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native