Common name:
Bigelow's tickseed
Family:
Scientific name:
Coreopsis bigelovii
Synonym:
Leptosyne bigelovi
Main flower color:
Range:
Southern California
Height:
Usually up to 8 inches
Habitat:
Desert plains and canyons, chaparral, open woodland; up to 6,000 feet
Leaves:
Up to 7 inches long, on short stalks, pinnately divided into narrow, linear lobes
Season:
February to June
Leaves of coreopsis bigelovii are divided once or twice into narrow, linear lobes, grooved along the midvein, and pointed at the tip. All plant parts are hairless. Leaves are mainly basal. Plants produce a cluster of stems, each terminating in a single flowerhead.
The cylinder-shaped involucre, flat at the base, is ringed by four to eight linear outer phyllaries (the calyculi), strongly recurved, and six to eight ovate inner phyllaries, tightly appressed. Above are between five and 13 (most commonly eight) obovate yellow ray florets, up to 1 inch long, and from 30 to 100 yellow/orange disk florets.
The cylinder-shaped involucre, flat at the base, is ringed by four to eight linear outer phyllaries (the calyculi), strongly recurved, and six to eight ovate inner phyllaries, tightly appressed. Above are between five and 13 (most commonly eight) obovate yellow ray florets, up to 1 inch long, and from 30 to 100 yellow/orange disk florets.
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