Hydrophyllaceae
Fourpart phacelia
Phacelia tetramera
- Family
- Hydrophyllaceae
- Genus
- Phacelia
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Common names
By language (1)
- English
- Fourpart phacelia
Synonyms
- Emmenanthe pusilla A.Gray
- Miltitzia pusilla (A.Gray) Brand
- Miltitzia pusilla var. flagellaris Brand
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Matt Berger, CC BY 4.0, from iNaturalist 
Photo: Steve Matson, CC BY 4.0, from iNaturalist 
Photo: Matt Berger, CC BY 4.0, from iNaturalist 
Photo: Matt Berger, CC BY 4.0, from iNaturalist 
Photo: Trevor Van Loon, CC BY 4.0, from iNaturalist
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- Silverleaf phaceliaPhacelia hastataHydrophyllaceae
- Threadleaf phaceliaPhacelia linearisHydrophyllaceae
- Tacky phaceliaPhacelia viscidaHydrophyllaceae
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- Sanddune phaceliaPhacelia argenteaHydrophyllaceae
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.