Lance-leaf coreopsis

Images

Click on image to view full size

Lance-leaf coreopsis habit

Lance-leaf coreopsis leaves

Lance-leaf coreopsis

Lance-leaf coreopsis

Lance-leaf coreopsis leaves

Lance-leaf coreopsis habit

Lance-leaf coreopsis

Lance-leaf coreopsis inflorescence

Morphology

Stem

Erect, simple or branched above, glabrate to villous.

Leaves

Basal and cauline, mostly on lower 1/3 of stem, cauline opposite; petiole .4 to 3 inches; blade narrowly ovate to lanceolate, oblanceolate, or linear, 2 to 4.8 inches long, .3 to .8 inch wide, entire or with 1-2 basal lobes, lobes lanceolate to linear.

Inflorescence

Heads, solitary; involucres campanulate; peduncles 3.2 to 14 inches. Calyculate bractlets 6-9, ovate to narrowly lanceolate, .16 to .45 inch. Phyllaries in 2 series: outer broadly lanceolate to ovate, .3 to .4 inch; inner ovate to deltate, .3 to .47 inch.

Flower

Ray florets usually 8: corolla yellow, ligule .6 to 1.2 inch, apex with 3-5 prominent teeth. Disk florets many: corolla yellow, .24 to .3 inch, lobes 5.

Fruit

Achenes, black, elliptic or oblong, .1 to .16 inch; pappus of 2 short teeth. Seed 1.

Ecology

Habitat

Sandy tallgrass prairies, roadsides, disturbed areas

Distribution

East half of Kansas

Additional Notes