Tall perennial herb, 1.5 2 m tall
Born in the forest, hillside or roadside grass, 1350-3400 meters above sea level
Fungus colza hard bark, germination is difficult, must be accelerating germination before sowing. First with warm water soaking for 35 1-2 days after germination, remove and put under the temperature of 25-30. About 4 days, "white" can sow seeds.