Common name: Violet Twinleaf
Roepera iodocarpa (F.Muell.) Beier & Thulin APNI* Synonyms: Zygophyllum iodocarpum F.Muell. APNI*
Description: Spreading annual.
Leaflets distinctly articulate at base, oblong to obovate-cuneate, 10–20 mm long, apex emarginate or rarely entire, petiole winged.
Sepals 5. Petals 5, obovate, 3–4 mm long, usually slightly exceeding the sepals, yellow. Stamens 10; filaments broad-winged in lower half; wings truncate at apex, with 0–3 irregular marginal teeth. Fruiting pedicels 3–5 mm long, reflexed.
Capsule 5-angled, globose to slightly depressed-globose, 5–7 mm long; seeds 1 or 2 per loculus, shining, blackish brown.
Flowering: June–December
Distribution and occurrence: Grows mainly on clay and loamy clay, also on stony red-brown sandy loams; southwest of Mungindi across the Western and Far Western Plains. Also in SW Queensland, South Australia, southern Northern Territory and Western Australia.
NSW subdivisions: NWP, SWP, NFWP, 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.
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