Common name: Dwarf Twinleaf
Roepera ovata (Ewart & Jean White) Beier & Thulin APNI* Synonyms: Zygophyllum ovatum Ewart & Jean White APNI*
Description: Small erect or ascending annual.
Leaflets continuous with the petiole, narrow-oblong to linear, 4–10 mm long, apex faintly emarginate.
Sepals 4. Petals 4, obovate to oblanceolate, 1–1.5 mm long, usually shorter to almost as long as sepals, white. Stamens 8; filaments slightly flattened and broadened towards the base, not winged. Fruiting pedicels 2–3 mm long, recurved.
Capsule bluntly 4-angled, oblong-ovoid, c. 8 mm long; seeds usually 2 in each loculus.
Flowering: July–October
Distribution and occurrence: Grows mainly on calcareous loam and red-brown sandy soils; west of line between Wilcannia and Balranald areas. Also in NW Victoria, South Australia, southern Northern Territory and southern Western Australia.
NSW subdivisions: NWP, SWP, NFWP, SFWP
Other Australian states: Vic. W.A. S.A. N.T.
Text by Hj. Eichler (1992); edited KL Wilson (Jan 2014)
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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