Coreopsis grandiflora

Coreopsis grandiflora is a North American species of perennial plant in the family Asteraceae. The common name is large-flowered tickseed.[4] It is found in eastern Canada (Quebec, Ontario, New Brunswick) and much of the United States, especially the south-central part of the country (Oklahoma, Arkansas, etc.).[5] The species is widely cultivated in China and naturalized there.[6]

Coreopsis grandiflora
Watercolor circa 1895[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Coreopsis
Species:
C. grandiflora
Binomial name
Coreopsis grandiflora
Hogg ex Sweet 1826 not Nutt. ex Chapm. 1860[2]
Synonyms[3]
  • Coreopsis boykiniana Nutt.
  • Coreopsis harveyana A.Gray
  • Coreopsis heterolepis Sherff
  • Coreopsis heterophylla Nutt. 1841 not Cav. 1795
  • Coreopsis longipes Hook.
  • Coreopsis saxicola Alexander

Coreopsis grandiflora is a perennial herb[7] sometimes greater than 60 cm (2 feet) tall. It produces yellow ray and disc flowers.[8] Its native habitats include prairies, glades, open woods, thickets, roadsides and open ground. The Latin specific epithet grandiflora means large-flowered.[9] The plant attracts bees and butterflies.[10]

In the UK the cultivar 'Early Sunrise'[11] has received the Royal Horticultural Society's Award of Garden Merit.

Coreopsis grandiflora 'Sunburst'

References
  1. illustration by Alois Lunzer (1840-?)
  2. Tropicos search for Coreopsis grandiflora
  3. The Plant List, Coreopsis grandiflora Hogg ex Sweet
  4. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  5. Biota of North America Program 2014 county distribution map
  6. Flora of China, 大花金鸡菊 da hua jin ji ju Coreopsis grandiflora Hogg ex Sweet
  7. "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2022-01-12.
  8. Flora of North America, Coreopsis grandiflora Hogg ex Sweet, Brit. Fl. Gard. 2: plate 175. 1826.
  9. "Coreopsis grandiflora - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2022-01-12.
  10. "Coreopsis grandiflora (Common Coreopsis, Large Flower Tickseed, Largeflower Tickseed, Tickseed) | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2022-01-12.
  11. "Coreopsis grandiflora 'Early Sunrise'". RHS. Retrieved 12 April 2020.


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