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DUTCHMAN'S PIPE

(Aristolochia elegans, fam. Aristolochiaceae)

Aristolochia elegans Aristolochia elegans Aristolochia elegans Aristolochia elegans Aristolochia elegans
Fast growing perennial vine to 3m, wiry stems twine tightly in coils around any supporting structure. Older stems woody with corky bark.
Form or habit: Climbing or twining plant
Latex:Unknown
Leaf:Simple Alternate

Alternate, glossy-green thin-textured, broadly heart shaped, 30-80mm long; thickened and twisted stalks, 15-50mm long. Crushed leaves have a very unpleasant smell.

Flower conspicuous: Conspicuous
Flower colour: Reddish-purple with white and yellow markings
Flower description:Reddish-purple with white and yellow markings, flared pipe shaped, around 80mm in diameter, borne singly in leaf axils.
Fruit conspicuous: Conspicuous
Fruit colour: Brown
Fruit: Dry
Fruit description: Oblong to ovoid ribbed capsules, 50-80mm long, opening from the base to release numerous flat brown seeds, 6mm long.
Habitat:
Distribution:
Food source for:
Toxicity:Toxic to native animals
Origin:South America
Weed:Yes
Weed status:Declared class 3
Notes:Spread by: Wind, garden waste. Invades/threats: Creek banks and rainforest. Notes: Introduced as garden ornamental. Naturalised populations recorded from many rainforest sites, primarily on river banks, throughout this region. Resembles natural food plants of Birdwing Butterflies but is fatal to the larvae.
Information sources: Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.

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