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Dasiphora fruticosa
''Dasiphora fruticosa'' (syn. ''Potentilla fruticosa'' L., ''Pentaphylloides fruticosa'' (L.) O.Schwarz) is a species of hardy deciduous flowering shrub in the genus ''Dasiphora'' (formerly ''Potentilla'') of the family Rosaceae, native to the cool temperate and subarctic regions of the northern hemisphere, often growing at high altitudes in mountains. Common names include shrubby cinquefoil,〔(【引用サイトリンク】title=USDA GRIN Taxonomy )〕 golden hardhack,〔 bush cinquefoil,〔 shrubby five-finger, tundra rose, and widdy.〔
==Description==
It grows to tall, rarely up to . The habit is variably upright to sprawling or prostrate, but stems are often ascending especially those stems with many long branches. The bark of older stems is shreddy with long thin strips. The plants are densely leafy, the leaves divided into five or seven (occasionally three or nine) pinnate leaflets. The leaflets are linear-oblong, long, with entire margins and more or less acute ends. The foliage (both leaves and young stems) is pubescent, variably covered in fine silky, silvery hairs about 1 mm long. The flowers are produced terminally on the stems and are cm across, buttercup-shaped, with five petals and 15–25 stamens; the petals are pale to bright yellow (orange to reddish in some western Chinese populations). The fruit is a cluster of achenes covered with long hairs. The species is variably dioecious or bisexual; flowering is typically from early to late summer. It is normally found growing in moisture-retentive soils in swamps and rocky areas.〔Flora of NW Europe: (''Potentilla fruticosa'' )〕〔Blamey, M. & Grey-Wilson, C. (1989). ''Flora of Britain and Northern Europe''. ISBN 0-340-40170-2〕〔Flora of China: (''Potentilla fruticosa'' )〕〔Jepson Flora of California: (''Potentilla fruticosa'' )〕〔Plants of British Columbia: (''Pentaphylloides fruticosa'' )〕〔Huxley, A, ed. (1992). ''New RHS Dictionary of Gardening'' 3: 697. Macmillan ISBN 0-333-47494-5.〕
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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