The species is characterized by its long and lanceolate leaflets with undulate teeth.
本种以它的长和披针形的小叶具波状的齿为特点。
Leaf blade linear or linear-lanceolate, 5 or more times as long as wide.
披针形叶片线形或线形，5或更多的时间倍于宽。
Leaves opposite, oblong-hastate to triangular-lanceolate, 2-3.5 cm long and0.5-1.5 cm wide, apex acute, base subcordate or truncate; petioles1 cm.
叶对生，长圆状戟形至三角状披针形，长2-3.5厘米，宽0.5-1.5厘米，顶端锐尖，基部近心形或截平；侧脉每边约5条；叶柄长约1厘米。
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