Lithospermum sp.
Stoneseed, Stoneseed
Family: Boraginaceae · Type: Perennial · Variable; species dependent
Lithospermum sp. (Stoneseed) is a non-native California perennial in the Boraginaceae family.
How to tell it apart
vs Diplacus: Lithospermum has tiny tubular flowers in leafy clusters; Diplacus has showy snapdragon-like flowers.; vs Amsinckia: Lithospermum has leafy bracts throughout the flower cluster; Amsinckia has naked coiled spikes.; vs Lantana: Lithospermum has tubular single flowers; Lantana has dense rounded flower heads with square stems.; vs Echium: Lithospermum flowers are radially symmetrical; Echium flowers are irregular with protruding stamens.; vs Mertensia: Lithospermum has white/yellow flowers in dry habitats; Mertensia has blue/pink bells in moist sites.
Frequently asked questions
Is Lithospermum sp. native to California?
No. Lithospermum sp. is not native to California (recorded as variable; species dependent).
What plant family does Lithospermum sp. belong to?
Lithospermum sp. is in the Boraginaceae family, genus Lithospermum.
Related species
Other California species in the same genus, family, or bioregion.
- Lithospermum arvense — Gromwell
- Lithospermum californicum — California stoneseed
- Lithospermum incisum — Plains stoneseed
- Lithospermum ruderale — Western stoneseed
- Mertensia bella — Oregon lungwort
- Mertensia ciliata var. stomatechoides — Streamside bluebell
- Mertensia cusickii — Toiyabe bluebells
- Mertensia longiflora — Long bluebells
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.