California dutchman's pipe
Aristolochia californica Torr.
- light
- —
- water
- —
- tall
- 3.8 m
- wide
- —
Aristolochiaceae
Formerly Isotrema californicum
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleWikipedia lists it as very poisonous (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
- LianaKew's checklist, not yet checked
- Climate
- SubtropicalKew's checklist, not yet checked
- Wild in
- CaliforniaKew's checklist, not yet checked
- Height
- 1.5 m to 6.1 mRead from Wikipedia, one source
- Flowers
- Purple, green, brownRead from Wikipedia, one source
Not known yet: light, spread, water, coldest it survives, heat, hottest it survives.
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 2.5
- 3D model: Aristolochia californica (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.