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Carlquistia
''Carlquistia'' is a rare North American genus of flowering plants in the aster family containing the single species ''Carlquistia muirii''. Formerly named ''Raillardiopsis muirii'', the plant was reexamined in the 1990s and moved to a new genus of its own, separate from similar and closely related genera, such as ''Madia''.〔(Flora of North America: ''Carlquistia'' )〕 Common names for the species include Muir's tarplant,〔(''Carlquistia muirii''. ) The Jepson eFlora 2013〕 Muir's raillardiopsis,〔(''Carlquistia muirii'' ) Integrated Taxonomic Information System (ITIS)〕 and Muir's raillardella.〔(Muir's raillardella (''Carlquistia muirii''). ) US Fish & Wildlife Service Species Profile.〕
This plant is related to the silversword alliance of Hawaiian plants.〔〔(''Carlquistia'' and the Silversword Alliance )〕
The genus was named for the American botanist Sherwin Carlquist (1930-).〔 The specific epithet ''"muirii"'' honors Scottish-American naturalist, John Muir (1838-1914).〔(Gray, Asa. 1876. Geological Survey of California, Botany 1: 618 )〕
==Description==
''Carlquistia muirii'' is a rhizomatous perennial herb forming clumps or mats of stems with hairy green pointed leaves up to about 4 centimeters long. Leaves are arranged oppositely on the lower stem, and alternately higher up. The inflorescence is usually made up of a solitary glandular flower head on an erect stalk. The head contains many yellow disc florets but no ray florets. The fruit is a very narrow achene which may exceed one centimeter in length including its pappus of plumelike bristles.〔
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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