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Genus Pararistolochia 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 mostly on the old wood. . Tubular calyx regularly 3-lobed or irregular with 1 or 3 long tails from the mouth of the limb. Anthers 6–24. Stigmatic lobes 6–12.

Capsule indehiscent, short, strongly ribbed; seeds numerous.


Herbarium
Sheet

Distribution and occurrence: World: c. 30 spp., Old World trops. Aust.: 12 spp. (endemic), Qld, N.S.W., N.T., W.A.

Text by G. J. Harden
Taxon concept:

 Key to the species 
1Leaves mostly 10–20 cm long, ovate to elliptic, base cordate or rounded, brown hairs scattered on veins on lower surfacePararistolochia praevenosa
Leaves usually 5–10 cm long, lanceolate to narrow-elliptic, base ± truncate to slightly cordate, glabrousPararistolochia laheyana

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