Asarnm balansae Franch is a perennial herbaceous plant, which began flowering from early October; flowers bloom in early December; ripe fruit and seed dispersal in July - August in the follwing year. Regeneration density of the plant was observed highest at the foot-hill of mountain (from 46,250 to 50,000 trees/ha), the plant originated from regeneration bud are dominant (from 76.6 to 97.5 percent), renewable particles have the relative low percentage (from 2.5 to 23.4 percent). At the mountain sides, the Asarnm balansae is rarely observed, the regeneration desity is relatively low (from 0 to 417 trees/ha). The quality of regeneration is unequally observed in different areas: percentage of good, moderate and bad trees are 10 to 76.6 percent, 16.2 to 39 percent and 7.2 - 51 percent, res pectively. Asarnm balansae distributes in the rain tropical forest in low land, altitude from 201 m to 600 m, concentrated in the valley along the trail at the foot-hill of mountain, they grow close to the soil surface, in the rich soil with humus; humidity, light porosity and high airflow; less coverage. The average distribution density is 42,083 trees/ha in forest structure comprising one timber floor at the foot-hill of mountain and two timber floor in mountain sides.
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