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Liatris cokeri
''Liatris cokeri'', also known as Coker's gayfeather and sandhills blazing star,〔(Integrated Taxonomic Information System, ITIS report )〕 is a plant species in the aster family Asteraceae and genus ''Liatris''. It is native to North and South Carolina in the United States,〔(Biota of North America Program 2014 county distribution map )〕 where it is found in habitats such as sand ridges and sandy fields to roadsides; it is also found in turkey-oak and longleaf pine-oak plant communities. It blooms in late summer with purple flower heads.〔( Pyne, Milo & Stucky, Jon M. 1990. Sida 14(2): 189-208 ) diagnosis in Latin on page 205, full English description on page 205, distribution map on page 204, key distinguishing this from related species on pages 206-207〕
''Liatris cokeri'' grows from rounded corms that produce hairless stems, 25 to 85 centimeters (10-34 inches) tall. The flowers are in dense heads, and the heads lack stems or have stems that orient the heads upward. The heads are arranged in dense spike-like or raceme-like collections and the heads tend to face the same direction, especially on reclining branches. Each head has 4-9 disc flowers but no ray flowers The basal and cauline leaves have one nerve each and are lance-linear to linear. The foliage is mostly hairless or may have some hairs on the margins; the leaves are gradually or abruptly reduced in size as they ascend the stem length. The plant flowers in August and October. The seed are produced in cypselae fruits that are 3 to 4+ millimeters long with feathery bristle-like pappi that have minute barbs.〔(Flora of North America, ''Liatris cokeri'' Pyne & Stucky, 1990. Sandhills or Coker’s gayfeather )〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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