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Hedyotis verticillaris : ウィキペディア英語版 | Hedyotis verticillaris
''Hedyotis verticillaris'' is a plant belonging to the family Rubiaceae that is endemic to the higher altitude grasslands of the Nilgiris in southern India. Unlike many others members of the genus the stems of this species are underground and the leaves appear close to the ground forming rosettes and usually hold some water at the centre of the whorl of leaves. The flowers are produced on a stalk. The species has been sometimes placed under the genus ''Pleiocraterium'' as ''P. verticillare'' along with the species, ''P. plantaginifolium'' (Arn.) Bremek. from Sri Lanka, ''P. sumatranum'' Bremek. and ''P. gentianifolium'' Bremek., both of Sumatra. Molecular phylogenetic studies however have found this genus to nest within other representatives of the genus ''Hedyotis'' giving little support for a separate genus. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hedyotis verticillaris」の詳細全文を読む
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