There is a great deal of variation in certain characters, especially in leaf and bract morphology, and many differences exist in the disposal of taxon.
该属植物因叶和苞片等形态变异较大，在分类处理上存在较大的差异。
There is a great deal of variation in certain characters, especially in leaf and bract morphology, and many differences exist in the disposal of taxon.
该属植物因叶和苞片等形态变异较大，在分类处理上存在较大的差异。
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