Plantaginaceae
Disk waterhyssop
Bacopa rotundifolia
- Family
- Plantaginaceae
- Genus
- Bacopa
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Common names
By language (3)
- Chinese
- 圆叶假马齿苋
- English
- Disk waterhyssop
- Japanese
- ウキアゼナ
Synonyms
- Bacopa nobsiana H.Mason
- Bacopa obovata (Raf.) Fernald
- Bacopa simulans Fernald
- Bacopa tweediei (Benth.) Parodi
- Bramia rotundifolia (Michx.) Britton
- Herpestis rotundifolia (Michx.) Pursh
- Herpestis rotundifolia C.F.Gaertn.
- Herpestis tweediei Benth.
- Herpestis tweedii Benth.
- Hydranthelium obovatum (Raf.) Pennell
- Hydranthelium rotundifolium (Michx.) Pennell
- Macuillamia obovata Raf.
- Macuillamia rotundifolia (Michx.) Raf.
- Moniera rotundifolia Michx.
- Moniera tweedyi Kuntze
- Ranapalus rotundifolius (Michx.) Pennell
Flowers
- In flower
- July to October (from 66 flowering iNaturalist observations worldwide)
- Flower colour
- white (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
FlowerPhoto: harrier, CC BY 4.0, from iNaturalist 
FlowerPhoto: Claire Herzog, CC BY 4.0, from iNaturalist 
FlowerPhoto: Jared Lincenberg, CC BY 4.0, from iNaturalist 
FlowerPhoto: Jared Lincenberg, CC BY 4.0, from iNaturalist 
Photo: Daniel J. Layton, CC BY 4.0, from iNaturalist 
Photo: Rose Zappa, CC BY 4.0, from iNaturalist 
Photo: Rose Zappa, CC BY 4.0, from iNaturalist 
Photo: Ryan Donnelly, CC BY 4.0, from iNaturalist 
Photo: Lexie, CC BY 4.0, from iNaturalist 
Photo: Favian Flores Medina, CC BY 4.0, from iNaturalist 
Photo: Katie Kucera, CC BY 4.0, from iNaturalist 
Photo: Eric Knight, CC BY 4.0, from iNaturalist
More in Bacopa
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- Gila River waterhyssopBacopa eiseniiPlantaginaceae
- Bacopa myriophylloidesPlantaginaceae
- Bacopa lanigeraPlantaginaceae
- Bacopa madagascariensisPlantaginaceae
- Bacopa albidaPlantaginaceae
- Bacopa axillarisPlantaginaceae
- Bacopa callitrichoidesPlantaginaceae
- Bacopa cochleariaPlantaginaceae
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.