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Tickseed is the common name for the plant Coreopsis, a group of flowering plants in the Family Asteraceae and Genus Coreopis. The flowers are usually yellow with a toothed tip. The name is derived from the Greek word koris, meaning Bedbug. The plants are also popularly called "Calliopsis."
This genus is primarily native to North America. Many cultivars are available for gardens.
Coreopsis species are used as food plants by the larvae of some Lepidoptera species including Coleophora acamtopappi.
Some Coreopsis species:
- Coreopsis auriculata — Mouse-ear coreopsis.
- Coreopsis basalis — goldenmane tickseed.
- Coreopsis bigelovii — Bigelow's tickseed.
- Coreopsis californica — California tickseed.
- Coreopsis gigantea — Giant coreopsis.
- Coreopsis gladiata — Coastalplain tickseed.
- Coreopsis grandiflora — Largeflowered tickseed.
- ''Coreopsis hamiltonii — Mount Hamilton tickseed.
- Coreopsis lanceolata — Lance-leaved Coreopsis, Tickseed.
- Coreopsis linifolia — Texas tickseed.
- Coreopsis major — Greater tickseed.
- Coreopsis nuecensis — Crown tickseed.
- Coreopsis palmata — Stiff tickseed.
- Coreopsis rosea — Pink tickseed.
- Coreopsis tintoria — Garden coreopsis, Calliopsis.
- Coreopsis tinctoria — Plains coreopsis.
- Coreopsis verticillata — Threadleaf coreopsis, Whorled coreopsis, Moonbeam coreopsis.
- Coreopsis wrightii — rock tickseed.
"Tickseed"