- Coreopsis calliopsidea
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Coreopsis calliopsidea Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Asterids Order: Asterales Family: Asteraceae Genus: Coreopsis Species: C. calliopsidea Binomial name Coreopsis calliopsidea
(DC.) A. GrayCoreopsis calliopsidea is a species of flowering plant in the daisy family known by the common name leafstem tickseed. It is endemic to California where it grows in some of the southern coastal mountain ranges and the Mojave Desert. This is an annual herb producing one or more stems with erect inflorescences growing up to about 40 centimeters tall, or sometimes taller. The slightly fleshy leaves are located mainly around the base of the stem, each divided into several narrow lobes. The inflorescence bears a single flower head with a bell-shaped involucre of triangular phyllaries. The head has a center of up to 50 tiny yellow disc florets and a fringe of usually 8 bright yellow ray florets each up to 3.5 centimeters long. The fruit is an achene. The fruit of the ray floret is oval and hairless and lacks a pappus; that of the disc floret is more slender, shiny, lined with hairs, and tipped with a pappus of scales.
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