茎具明显的节；花序1（或2）分枝。
Stem with conspicuous nodes; inflorescence 1(or 2)-branched.
花序为聚伞状圆锥花序，分枝6–8，每支花茎生有1–6花，花梗短。
Inflorescences cymose-paniculate, branches 6 – 8, each with 1 – 6 flowers, pedicels short.
本种在茎的分枝，叶形，叶缘，和花序梗长度方面显示了巨大变化性。
This species shows great variability in stem branching, leaf shape, leaf margin , and peduncle length.
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