Mexican Primrose-willow
Ludwigia octovalvis (Jacq.) P.H.Raven
- light
- —
- water
- Plenty
- tall
- 99 cm
- wide
- —
Onagraceae
Also called Willow Primrose, Mexican primrose-willow
Formerly Jussiaea octovalvis, Oenothera octovalvis
When it flowers
Flowers all year 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
- Semiaquatic subshrubKew's checklist, not yet checked
- Climate
- Seasonally dry tropicalKew's checklist, not yet checked
- Wild in
- Tropics & SubtropicsKew's checklist, not yet checked
- Height
- 99 cmRead from Wikipedia, one source
- Water
- Plenty: wet or constantly moistRead from Wikipedia, one source
- Flowers
- YellowRead from Wikipedia, one source
Not known yet: light, spread, coldest it survives, heat, hottest it survives.
In other languages (12)
- Spanish
- Calavera
- myn
- maskabché
- Portuguese
- Camarambaia
- Chinese
- 水丁香, 毛草龍 (水丁香), 黃花水丁香
- Indonesian
- Cacabean
- Japanese
- キダチキンバイ
- root
- erur
- Chinese (China)
- 毛草龙
- Russian
- Людвигия восьмистворчатая
- Thai
- หญ้ารักนา
- Arabic
- صفصاف زهرة الربيع المكسيكية
- French
- Herbe à bourrique
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
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- iNaturalist, read 2026-10-25, CC0
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC0
- 3D model: Ludwigia octovalvis (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.