Hydrophyllaceae

Threadleaf phacelia

Phacelia linearis (Pursh) Holz.

Family: Hydrophyllaceae
Genus: Phacelia

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Common names

By language (2)

Arabic: جمية رمحية
English: Threadleaf phacelia

Synonyms

Eutoca congesta Douglas ex Lehm.
Eutoca echioides Douglas ex A.DC.
Eutoca glomerata Douglas ex A.DC.
Eutoca menziesii var. congesta (Douglas ex Lehm.) A.DC.
Eutoca menziesii var. multiflora (Douglas ex Lindl.) A.DC.
Hydrophyllum lineare Pursh
Phacelia menziesii Torr. ex S.Watson

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Canada: native, Lower 48 states: native

Photos

Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

More in Phacelia

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.