在滇西北的崇山峻岭中,生长着一种珍贵的树种—夜蒿木。夜蒿木是一种高大的落叶乔木,喜欢生长在箐谷沟壑之间,树身挺直高大,树冠蓬勃,少枝丫。一般树高都在三十米左右,树围达一百七十多厘米,枝叶极 In the mountains of northwestern Yunnan, growing a precious tree species - Artemisia. Night wormwood is a tall, deciduous tree, like growing in the valley between the gully, tall tree tall, crowns crown, fewer branches Ya. The general tree height is about thirty meters, the tree Wai over one hundred seventy centimeters, branches and leaves pole