Foliaceous back provides fluff , vein is thicker , stipule is damask.
葉背具柔毛, 葉脈較粗,托葉淡紅色.
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Stipule A modified leaf found as an outgrowth from the petiole or leaf base.
托葉:由葉柄或葉基部生長出的變態(tài)的葉,為發(fā)育產(chǎn)生的外部結(jié)構(gòu).
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