Common name: Scrambling Twinleaf
Zygophyllum angustifolium H.Eichler APNI*
Synonyms: Roepera angustifolia (H.Eichler) Beier & Thulin APNI*
Description: Weak slender subshrub, usually scrambling or leaning on stronger bushes.
Leaflets constricted and articulate at base, linear or very narrow oblong-elliptic, 10–20 mm long.
Sepals 4. Petals narrow-obovate to elliptic, 4–8 mm long, exceeding the sepals by a third to a quarter their length, pale yellow. Stamens 8; filaments subulate, without appendages. Fruiting pedicels 7–25 mm long reflexed or sometimes recurved.
Capsule 4-angled, obconical, 6–9 mm long, apex truncate; seeds 1 or 2 per loculus.
Distribution and occurrence: Grows on calcareous red and brown soils, alkaline loam, at roadsides and on limestone cliffs; west of Balranald area. Also in NW Victoria, South Australia and Western Australia.
NSW subdivisions: SFWP
Other Australian states: Vic. W.A. S.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.