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Brachylaena discolor
''Brachylaena discolor'' is a species of flowering plant in the aster family, Asteraceae. It is native to Africa, where it occurs in Mozambique, South Africa, and Swaziland.〔(''Brachylaena discolor''. ) Flora Zambesiaca.〕 Its common names include coast silver oak and coastal silver oak.〔Jodamus, N. (''Brachylaena discolor''. ) South African National Biodiversity Institute. 2003.〕〔Csurhes, S. (Weed Risk Assessment: Coastal silver oak. ) Biosecurity Queensland. 2011.〕〔(''Brachylaena discolor''. ) University of Pretoria Botanical Garden. 2011.〕
==Description==
This species is a shrub or tree up to about 10 meters tall,〔 but known to reach 27〔 to 29 meters at times.〔 The branches are brown or purple-tinged, and hairy when new. The leaves are oval or oblong and usually up to 12 centimeters long. They are smooth-edged to toothed to spine-toothed. The are mostly hairless and a shiny dull green on top and grayish hairy underneath. Flowers are borne in large panicles at the ends of branches and shorter panicles in the leaf axils.〔 The species is dioecious, with flower heads that look like "plump shaving brushes".〔 Male plants have heads with short phyllaries and a single layer of pappus hairs. Female heads have longer phyllaries and multiple layers of pappus hairs.〔
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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