秆高17米,通直,直径10厘米许,节间长77厘米,幼秆全部被白粉,节下尤甚,并有猪皮状凹孔,粉绿色无毛,老秆绿色带黄,节内长1厘米,节内与节下均被白粉,秆环隆起具脊,箨环略高起,甚狭,枝下高7—9米,分枝之节间有沟漕以至扁平。秆箨箨鞘革质长35厘米,宽32厘米左右,近三 Stalk height of 17 meters, straight, diameter of 10 cm Xu, 77 cm internode, young stalks are all white flour, especially under the section, and a pig-shaped concave hole, pink green hairless, stalk green with yellow, section Within the 1 cm long, section under the section are white powder, stalk ring ridge ridge, Rings slightly elevated, very narrow, branches 7-9 meters high, branches of the ditch between channels and even flat. Stalk 箨 箨 sheath leather length 35 cm, 32 cm wide, nearly three