封面植物简介——羽裂雪兔子  

Introduction of the Plant Front Cover:Saussurea leucoma(Asteraceae)

作　　者：汪健[1] 

机构地区：[1]西南林业大学

出　　处：《西北植物学报》2012年第9期1725-1725,共1页Acta Botanica Boreali-Occidentalia Sinica

摘　　要：羽裂雪兔子（Saussurea leucoma Diels）隶属菊科风毛菊属,为我国特有的多年生草本植物。植株高7～15cm。茎单生直立,被稠密的叶。茎中下部叶有柄,线状披针形,长3～5cm,宽0.5～2.5cm,羽状深裂,叶背灰白色,被蛛网状绒毛至绵毛;最上部叶无柄,线形,常反折,叶两面密被黄白色绵毛。头状花序多数,在膨大的茎顶密集成半球形,直径约4～6cm;总苞片3～4层。小花管状,蓝紫色。瘦果黑色,倒圆锥形;Saussurea leucoma Diels is a perennial herb of Asteraceae,and endemic to China. Plants 7-15 cm tall, with erect stem solitary, hidden by dense leaves. Lower and middle leaves petiolate, blade narrowly elliptic, 3-5 cmX 0. 5 -2. 5 cm, pinnatisect, abaxially grayish white, arachnoid tomentose to lanate Uppermost leaves sessile,linear,reflexed, both surfaces densely yellowish white lanate. Capitula numerous in a

关 键 词：多年生草本植物 兔子 封面 风毛菊属 头状花序 下部叶 上部叶 半球形 

分 类 号：S567.239[农业科学—中草药栽培]