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Pyxidanthera
''Pyxidanthera'' is a genus of flowering plant in the family Diapensiaceae The most widespread species (''P. barbulata'') is known by the common name flowering pixie-moss. It is native to the eastern United States, occurring on the coast from Long Island to New Jersey and Virginia to South Carolina.〔(''Pyxidanthera barbulata''. ) The Nature Conservancy.〕〔(''Pyxidanthera barbulata''. ) Center for Plant Conservation.〕 A second species of ''Pyxidanthera'' is widely recognized,〔(The Plant List )〕 called ''Pyxidanthera brevifolia'', known only from North and South Carolina.〔(''Pyxidanthera brevifolia''. ) Flora of North America.〕 Some authors consider the two plants to be one species.〔〔Rönblom, K. and A. A. Anderberg. (2002). (Phylogeny of Diapensiaceae based on molecular data and morphology. ''Systematic Botany'' 27(2) 383-95. )〕
''Pyxidanthera barbulata'' is not a moss. It is a low subshrub producing a mat on the ground. It grows from a rhizome and the stems root at intervals where they meet the ground. The crowded leaves are lance-shaped and no more than a centimeter long. The flowers have pink sepals and white petals up to about half a centimeter long.〔(''Pyxidanthera barbulata''. ) Flora of North America.〕
This plant grows in dry, sandy soils under pines. Though it may occur in wetlands, it is well adapted to dry conditions. It is also adapted to habitat prone to wildfire.〔 It is known from pine barrens, flatwoods, sandhills, and the edges of pocosins.〔
==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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