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Genus Aristolochia Family Aristolochiaceae

Description: Woody climbers with young branches ± glabrous to rusty-pubescent.

Leaves sometimes 3-veined from base, fine venation conspicuous, raised on both surfaces; petiole thickened and twisted, with base expanded into a horizontal ridge extending around the stem.

Flowers borne on leafy shoots. Tubular calyx irregular with a single lobe or long lip, or 2-lipped with a broad standard and long keel. Anthers up to 6. Stigmatic lobes up to 6.

Capsule dehiscent, usually dehiscing upwards from the base of the pedicel; seeds numerous, cordate, flattened.


Herbarium
Sheet

Distribution and occurrence: World: c. 120 spp., trop. & temp. regions. Aust.: 1 sp. (naturalized), Qld, N.S.W., N.T.

Text by G. J. Harden
Taxon concept:

One species in NSW: Aristolochia littoralis

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