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Cymbolaena
''Cymbolaena'' is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species ''Cymbolaena griffithii''. It is native to Asia, where it is distributed from Turkey to Pakistan. It is one of several genera in "the ''Filago'' group," and some authors include it within the genus ''Filago''.〔Galbany-Casals, M., et al. (2010). (How many of Cassini anagrams should there be? Molecular systematics and phylogenetic relationships in the ''Filago'' group (Asteraceae, Gnaphalieae), with special focus on the genus ''Filago''. ) ''Taxon'' 59(6), 1671-89.〕
This is an annual herb coated with appressed gray hairs. The stem is very short and the branches extend outward, making the plant squat in stature, sometimes forming a patch on the ground. The alternately arranged leaves are linear. The disc-shaped flower heads are clustered in glomerules 1 or 2 centimeters wide. There are layers of tiny woolly phyllaries around the flower head. It contains usually 4 tubular florets each no more than 1.5 millimeters long.〔(''Cymbolaena griffithii''. ) Flora of Pakistan.〕 Cypselas from bisexual florets have deciduous white pappi, and those from female florets lack pappi.〔Abid, R. and M. Qaiser. (2008). (Cypsela morphology of some genera in the tribe Gnaphalieae (Asteraceae) from Pakistan. ) ''Pak. J. Bot'' 40(2), 473-85.〕
The genus name ''Cymbolaena'' is a partial anagram of ''Bombycilaena''.〔
==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「Cymbolaena」の詳細全文を読む
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