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Plains Coreopsis
Coreopsis tinctoria Nutt.
Asteraceae (Sunflower Family)
▲▼mature, flowering plants
▲▼mature, flowering plants
▲ flowers, stems, leaves
▲ stem and leaves
▲▼flowers/inflorescences
▲ wetter field with many plains coreopsis
Coreopsis
tinctoria
Nutt., Plains Coreopsis:
(Bayer Code:
CRLTI; US Code COTI3)
·
U.S. native summer annual that grows 6-24 inches tall, producing
slender, green, almost threadlike stems that are usually unbranched until
flowering
·
Leaves are spaced wide-apart on stems, and are bipinnately lobed, with
linear, almost needle-like lobes
·
Flower heads are at tips of bare flowering stems, and are about 1 inch
diameter; ray flowers are yellow, often with a darker red base near center of
head (or all dark red ray flowers); disk flowers are orange-brown
·
Bracts below the head are triangular and green and extend beyond the
flowers as the head matures
·
Common in wetter cultivated crops or open wetlands, but found in drier
upland soils, rocky sites, too
·
Reproduces readily by seed
·
Commonly included in wildflower mixes