stinging phacelia

Phacelia malvifolia

Member of scorpionweeds (genus Phacelia)
borage family (family Boraginaceae)
borages (order Boraginales)
dicots (class Magnoliopsida)
cream, white, other colors in flowering plants

---

• leaves, stems, calyx lobes with long stiff hairs
• other phacelia have similar hairs, so the distinction may be difficult to perceive
• leaf 2–14 cm including petiole
• proximal leaves lobed to compound with 3 segments which are also toothed or irregularly lobed
• distal leaves generally toothed or lobed

---

Chris’s observations: 4 (2 are research grade)

Locations:

• Murray Ranch SP: 2
• San Bruno Mountain State & County Park
• Sweeney Ridge National Recreation Area

Months:

• Jun.: 1
• Jul.: 1
• Aug.: 2

For more details, use advanced search.

---

Not all sites include this taxon:

• Phacelia malvifolia → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora