Lomatium triternatum ssp. platycarpum
Lomatium triternatum ssp. triternatum

General:
Perennial herb from an elongated taproot, seldom thickened, surmounted by a simple branched crown or stem-base; stems or scapes solitary or few, erect, 10-80 cm tall, glabrous.

Leaves:
Mostly basal, pinnately compound, divided 1-3 times or, at the base, 2-3 times; stem leaves 1 or more on the middle or upper stem; ultimate leaf segments narrow and scarcely leaflike, usually less than 5 mm wide, finely hairy.

Flowers:
Inflorescence of compound umbels; flowers yellow, spokes of the umbel elongating unequally, 2-10 cm long; involucels present.

Fruits:
Oblong to broadly elliptic, 7-15 mm long, narrowly to very broadly winged, glabrous to minutely hairy or granular-roughened.

Notes:
Two subspecies occur in BC:

1. Fruits broadly elliptic, wings nearly or fully as wide as body; ultimate leaf segments linear................ ssp. platycarpum (Torr.) Cronq

1. Fruits usually relatively narrow, wings usually half as wide as body; ultimate leaf segments lanceolate..................... ssp. triternatum

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

Flower Colour:
Yellow

Blooming Period:
Early Spring

Fruit/Seed characteristics:
Colour: Brown
Present over the Spring

Source:  The USDA