Roepera aurantiaca subsp. aurantiaca

Shrubby Twinleaf

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Weak perennial subshrub to c. 1.5 m high, sometimes scrambling; stems slender. Leaves 2–40 mm long, green; leaflets continuous with petiole, linear to terete, to c. 15 mm long, to c. 2 mm wide, spreading, apex obtuse. Sepals 4, lanceolate to ovate, 3–6 mm long, deflexed in fruit; petals 4, obovate, 8–12 mm long, apex obtuse or slightly emarginate, golden-yellow; stamens 8, filaments not winged. Fruiting pedicels 4–10 mm long; fruit a depressed-globular schizocarp, 12–18 mm long, with 4 broad, scarious, net-veined wings, drooping, splitting into 2–4 indehiscent mericarps each with 1 wing on the back; seeds usually 1 per mericarp. Flowers mostly Jul.–Oct.

LoM, MuM, MSB, RobP, Wim. In Victoria, confined to the north-west where found in a variety of habitats including mallee communities and woodlands, growing in sand, calcareous soils or heavy clays.

Created by: Neville Walsh, 2016-08-23
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 aurantiaca subsp. aurantiaca in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Roepera aurantiaca subsp. aurantiaca in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Murray Scroll Belt present native
Robinvale Plains present native