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Lyallia kerguelensis : ウィキペディア英語版 | Lyallia kerguelensis
''Lyallia kerguelensis'', commonly called the Lyallia Cushion (''Coussin de Lyallia'' in French), is a species of flowering cushion plant in the monotypic genus ''Lyallia'' in the Montiaceae family. It is sometimes placed in the Hectorellaceae or the Portulacaceae. The generic name honours British botanist and naval officer David Lyall who served as assistant surgeon on HMS ''Terror'' on the Antarctic exploring expedition led by James Clark Ross from 1839 to 1843. Lyall was a friend and colleague of describer Joseph Dalton Hooker on the expedition when the type material was collected. The specific epithet refers to the type locality. ==Description== ''Lyallia kerguelensis'' is a perennial herb. It forms round cushions, usually 200–400 mm across, but occasionally up to 1 m in diameter. Its closest relative is the similar cushion plant ''Hectorella caespitosa'' which is found in alpine areas of the South Island of New Zealand.〔Wagstaff & Hennion (2007).〕
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「Lyallia kerguelensis」の詳細全文を読む
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