Common name: caustic vine
Cynanchum viminale subsp. australe (R.Br.) Meve & Liede APNI* Synonyms: Sarcostemma australe R.Br. APNI*
Description: Trailer or climber with stems to 6 m long, or sometimes a compact much-branched shrub to 2 m high; stems green or grey-green, young parts minutely hairy.
Leaves opposite, scale-like, internodes long.
Umbels 2–10-flowered; pedicels 3–6 mm long. Flowers 6–8 mm diam., pale yellow or whitish. Calyx lobes obtuse, 1–1.5 mm long. Corolla tube c. 2 mm long; lobes ovate-oblong, subacute, 4–5 mm long.
Follicles slender, gradually tapered to apex, 5–14 cm long.
Flowering: spring–summer.
Distribution and occurrence: Widespread in inland districts in woodland and scrub, often in rock outcrops; also in coastal sites in drier rainforests and on cliffs near sea, north from Crescent Head.
NSW subdivisions: NWS, NWP, SWP, NFWP, SFWP
Other Australian states: W.A. S.A. N.T.
Text by G. J. Harden & J. B. Williams
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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