Common name: Pale Twinleaf
Zygophyllum glaucum F.Muell. APNI*
Synonyms: Roepera glauca (F.Muell.) Beier & Thulin APNI*
Description: Annual or perennial with erect or procumbent stem and erect or ascending stout branches.
Leaflets ± articulate at base, oblique-obovate, 10–40 mm long, fleshy, glaucous or green.
Sepals 4. Petals 4, obovate, 8–15 mm long, much longer than sepals, truncate or slightly emarginate at apex, bright yellow. Stamens 8; filaments broad-winged in lower half. Fruiting pedicels 5–8 mm long, usually reflexed.
Capsule 4-angled, ovoid-oblong, 14–18 mm long; seeds 3–5 per loculus.
Distribution and occurrence: Grows on a variety of soils, predominantly loamy sands, often in mallee communities; widespread west of the Great Divide. Also in SE Queensland, NW Victoria, South Australia, southern Northern Territory and southern Western Australia.
NSW subdivisions: NWS, CWS, SWS, NWP, SWP, SFWP
Other Australian states: Qld Vic. S.A. N.T. W.A.
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.