Aristolochia gigantea (Brazilian Dutchman's pipe, giant pelican flower; syn. Aristolochia sylvicola Standl.) is an ornamental plant native to Brazil, typical of subtropical Bahia and Minas Gerais vegetation. It is a vigorous evergreen climber (vine) with heart-shaped leaves and spectacular fragrant flowers and can be grown from seeds or by cuttings. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius. A. gigantea and other tropical Dutchman's pipe varieties pose a threat to the pipevine swallowtail butterfly. The butterfly confuses A. gigantea with its native host plant and will lay eggs on it although pipevine swallowtail caterpillars cannot survive on the foliage.
In cultivation in the UK - where it must be grown under glass - this plant has gained the Royal Horticultural Society’s Award of Garden Merit. It does not tolerate temperatures below 10 °C (50 °F).
- "Aristolochia gigantia: A Death Sentence for Pipevine Swallowtails" by Guest Photographer, June 8. http://www.monarchbutterflygarden.net/aristolochia-gigantea-kills-pipevine-swallowtails/
- "RHS Plantfinder - Aristolochia gigantea". Royal Horticultural Society. Retrieved 12 January 2018.
- Aristolochia gigantea photo
- (in Portuguese) Aristolochia gigantea
- (in Portuguese) Aristolochia gigantea[permanent dead link]
- (in Portuguese) Flora Brasiliensis: Aristolochia gigantea
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