对具绵状毛的至少沿脉被微柔毛的叶片和叶柄；花药球状的或肾形。
Leaf blade and petioles puberulent to woolly at least along veins; anthers globose or reniform.
竿箨耳廓镰刀形，长。沿着中脉的两面的那个或的叶片背面稍具短柔毛。
Culm sheath auricles falcate, long. Leaf blade abaxially minutely pubescent along one or both sides of midrib.
输运反应耦合成矿动力学计算机模拟验证了分形脉体演化模式和自有序效应。
The computer simulation of transformation reaction ore forming dynamics tested and verified the evolutionary model of fractal veins and self ordered effect.
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。
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。
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.
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