Zygophyllum ovatum Ewart & Jean White

Dwarf Twinleaf

J. & Proc. Roy. Soc. New South Wales 42: 197, t. 36 (1908) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Erect or ascending annual herb to c. 25 cm high. Leaves 5–15 mm long, green; leaflets continuous with petiole, linear to narrow-oblong, 4–10 mm long, 1–5 mm wide, spreading, apex usually slightly emarginate. Sepals 4, ovate-lanceolate, 1–2 mm long, spreading in fruit; petals 4, obovate to oblanceolate, 1–1.5 mm long, apex acute, white; stamens 8, filaments slightly flattened near base but not winged. Fruiting pedicels 2–3 mm long; fruit a 4-angled loculicidal capsule, ellipsoid, 6–8 mm long, drooping, rounded at apex with a short point; seeds usually 2 per cell. Flowers mostly Jul.–Oct.

MuM, MSB, RobP. Also WA, NT, SA, NSW. Uncommon in Victoria and confined to the north-west, usually growing in mallee and woodland communities on calcareous sandy loams. .

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.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
genus Zygophyllum
Higher taxa


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

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales