Lomatium thompsonii
Thompson's Lomatium

Family: Apiaceae [Umbelliferae] (Carrot family)

Photo taken at the town of Dryden near railroad tracks, open dry, rocky soil

Flowers:

petals yellow; bractlets of the involucel linear

Fruit:

16 to 28 mm long, greater than 4 mm wide; with thin wings, not corky thickened; short-hairy when young

Leaves:

ultimate leaf segments up to about 1 cm long by 1 to 3 mm wide

Plant:

perennial; acaulescent; 5 to 10 dm tall; stem and peduncle short-hairy.

Habitat:

open or wooded slopes in foothills

Distribution of species:

endemic to Chelan County Washington

Distribution of genus:

more or less 75 species: central and western North America