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Coreopsis tinctoria

Coreopsis tinctoria , Photo: Michael Lahanas

Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Magnoliopsida
Ordo: Asterales
Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Coreopsideae
Genus: Coreopsis
Sectio: C. sect. Calliopsis
Species: Coreopsis tinctoria

Name

Coreopsis tinctoria Nutt.

References

* Journal of the Academy of Natural Sciences of Philadelphia. Philadelphia, PA 2:114. 1821
* USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Data from 28-Oct-07]. 11522

Vernacular names
Internationalization
English: Plains coreopsis
日本語: ハルシャギク
Polski: Nachyłek barwierski

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Plains coreopsis or calliopsis (Coreopsis tinctoria), is an annual forb. The small, slender seeds germinate in fall (overwintering as a low rosette) or early spring. Growing quickly, plants attain heights of 12 to 40 inches (30–100 cm). Leaves are pinnately-divided, glabrous and tending to thin at the top of the plant where numerous 1- to 1.5-inch (2.5-to 4-cm) flowers sit atop slender stems. Flowers are brilliant yellow with maroon or brown centers of various sizes. Flowering typically occurs in mid-summer.
Distribution

Plains coreopsis is common to much of the United States, especially the Great Plains and southern states where it is often called "calliopsis."

Cultivation

Plains coreopsis grows well in many types of soil, but seems to prefer sandy or well-drained soils. Although somewhat drought-tolerant, naturally growing plants are usually found in areas with regular rainfall. It is often grows in disturbed areas such as roadsides or cultivated fields. Preferring full sun, it will also grow in partial shade. Because of its easy growing habits and bright, showy flowers, Plains coreopsis is increasingly used for landscape beautification and in flower gardens.

References


* Everitt, J.H.; Lonard, R.L., Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2
* Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation. http://www.gutenberg.org/etext/11892.

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Source: Wikispecies, Wikipedia: All text is available under the terms of the GNU Free Documentation License