WildBristol.uk - Discovering Wildlife in Bristol

Stace 4:

Phacelia tanacetifolia Benth. - Phacelia

Stems erect to ascending, to 70(100)cm; flowers numerous; calyx with linear lobes; corolla blue or pale mauve, 6-10mm; (2n=22). Neophyte-naturalised; grown in gardens for ornament and small-scale in fields for bees and as green manure, also contaminant of crop- and grass-seed, casual on tips, waste ground and among crops and new grass, rarely persistent; very scattered but increasing in British Isles; California.