Alismataceae
Waterpoppy
Hydrocleys nymphoides
- Family
- Alismataceae
- Genus
- Hydrocleys
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Common names
By language (6)
- Chinese
- 水金英, 水罂粟
- Czech
- Hladinovka plavínovitá
- English
- Waterpoppy
- Hungarian
- Vízipipacs
- Japanese
- ミズヒナゲシ
- Thai
- ฝิ่นน้ำ
Synonyms
- Hydrocleys azurea Schult.f.
- Hydrocleys commersonii Rich.
- Hydrocleys humboldtii (Rich.) Endl.
- Limnocharis commersonii (Rich.) Spreng.
- Limnocharis humboldtii Rich.
- Limnocharis nymphoides (Humb. & Bonpl. ex Willd.) Micheli
- Sagittaria ranunculoides Vell.
- Stratiotes nymphoides Humb. & Bonpl. ex Willd.
- Vespuccia humboldtii (Rich.) Parl.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced, Puerto Rico: introduced
Photos
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: TANAKA Juuyoh, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons 
Photo: Alex Popovkin, Bahia, Brazil from Brazil, CC BY 2.0, from Wikimedia Commons
More in Hydrocleys
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.