General:
Annual aromatic herbs from a fibrous root; stems erect, simple, branched, glabrous, 8-20 cm tall.

Leaves:
Basal leaves soon deciduous; stems leaves alternate, 1-3 times divided into short, linear-threadlike segments, 2-6 cm long, glabrous.

Flowers:
Heads with ray and disk flowers, several, mostly terminal on the upper branches; involucres 2.5-3 mm tall; involucral bracts subequal, mostly oblong, obtuse or rounded at the tips, with a broad, papery margin; ray flowers white, 10-22, 4-10 mm long; disk flowers yellow, many, about 1 mm long, 5-toothed; receptacles narrowly conic, 3.5-4 mm tall.

Fruits:
Achenes asymmetric, 1.5-2 mm long, smooth except for 5 narrow, winglike ribs; pappus lacking or sometimes a minute, short crown.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Matricaria recutita L.