
Aristolochia gigantea
Aristolochia gigantea Mart. & Zucc.
- light
- Sun–part
- water
- Medium
- tall
- 7.7 m
- wide
- 1.4 m
Aristolochiaceae
Formerly Howardia gigantea
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleNC State Extension lists it as very poisonous (all parts) (25 Oct 2026)
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- ClimberKew's checklist, not yet checked
- Climate
- Wet tropicalKew's checklist, not yet checked
- Wild in
- E. & S. BrazilKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources
- Height
- 6.3 m to 9.0 mRead from NC State Extension and RHS, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: NC State Extension 15–20 ft; RHS 8–12 m
- Spread
- 91 cm to 1.8 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources
- Flowers
- CreamRead from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources. Sources differ: NC State Extension cream, red, white; RHS cream, purple
- Coldest it survives
- 4.5 °C (USDA zone 11a)Read from NC State Extension and RHS, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: NC State Extension -1.1 °C; RHS 10 °C
Not known yet: heat, hottest it survives.
In other languages (2)
- Chinese
- 巨花马兜铃, 大马兜铃
- Slovenian
- orjaški podraščec
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- RHS, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- 3D model: Aristolochia gigantea (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.