



Yellow Waterlily
Nymphaea mexicana Zucc.
- light
- —
- water
- Plenty
- tall
- —
- wide
- —
Nymphaeaceae
Also called Mexican Water Lily, Yellow waterlily
Formerly Castalia flava, Castalia mexicana, Leuconymphaea flava, Leuconymphaea mexicana, and 2 more
When it flowers
Flowers April to January in the tropics.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
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
- Rhizomatous geophyteKew's checklist, not yet checked
- Climate
- SubtropicalKew's checklist, not yet checked
- Wild in
- S. Oklahoma to SE. U.S.A. and MexicoKew's checklist, not yet checked
- Water
- Plenty: wet or constantly moistRead from Wikipedia, one source
- Flowers
- YellowRead from Wikipedia, one source
Not known yet: light, height, spread, coldest it survives, heat, hottest it survives.
Grow it with
Suggested by a rule, not by a gardener: same climate (kew), flowering when this plant does not (inaturalist), and a different shape.
In other languages (12)
- Spanish
- Ninfa mexicana, Cabeza de negro
- Chinese
- 黃睡蓮, 墨西哥黃睡蓮, 黄睡莲
- root
- Atzatzmolxochitl
- Estonian
- mehhiko vesiroos
- Chinese (China)
- 黄睡莲
- Japanese
- キバナスイレン
- Italian
- Ninfea gialla messicana, Ninfea messicana
- Afrikaans
- Geelwaterlelie, Geel waterlelie, geelwaterlelie
- Russian
- Кувшинка мексиканская
- Portuguese
- Ninfeia-amarela
- Polish
- grzybienie meksykańskie
- Slovak
- lekno žlté
Where this comes from
- iNaturalist, read 2026-10-25, CC0-1.0 (observation counts)
- 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
- iNaturalist, read 2026-10-25, CC BY-SA
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
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.

