九龙山紫菀——浙江紫菀属(菊科)一新种  

Aster Jiulongshanensis(Asteraceae),a New Species from Zhejiang

作　　者：叶喜阳[1] 陈征海 潘成椿 马丹丹[4] 李根有[4] 

机构地区：[1]浙江农林大学林业与生物技术学院,浙江临安311300 [2]浙江省森林资源监测中心,浙江杭州310020 [3]浙江九龙山国家级自然保护区,浙江遂昌323301 [4]浙江农林大学暨阳学院,浙江诸暨311800

出　　处：《杭州师范大学学报（自然科学版）》2017年第1期13-15,24,共4页Journal of Hangzhou Normal University(Natural Science Edition)

基　　金：国家林业局第二次全国重点保护野生植物资源调查项目(林护发[2012]87号);浙江省第二次重点保护野生植物资源调查项目(335006-2013-0001);浙江省野生植物资源调查;建档;编纂及<浙江植物志>(第二版)编著项目(335010-2015-0005)

摘　　要：描述了浙江九龙山菊科Asteraceae紫菀属Aster一新种:九龙山紫菀Aster jiulongshanensis,并附有墨线图.新种接近于长叶紫菀A.dolichophyllus,但其茎中部以上多分枝,基部及下部的叶花期枯萎,全部叶片被毛,厚纸质,羽状脉,复合花序由7~10个伞房状排列的狭圆锥状支花序组成,头状花序直径约1.5cm,总苞狭倒锥形或管状,总苞片3或4层,先端不外展,舌状花5~10个,舌片绿白色或白色;冠毛等长,白色或污白色而明显有别.Asterjiulongshanensis, a new species of Asteraceae from Mount. Jiulong of Suichang, is described with illustrations. This new species is similar to A. dolichophyllus, but differs in having multiple branches from middle part of stem, leaves pubescent, thickly papery, pinnately veined, basal and lowermost ones wither in blooming period, synfloreseens with 7~ 10 narrow panicles, arranged in corymbiform sub-synflorescens, capitulum approximately 1.5 cm in diam. , involucres narrowly obconic or tubiform, phyllaris 3 or 4 seriate, apex not expanding, ligulate flowers 5 to 10, ray florets greenish white or white, pappus equal in length, white or beige.

关 键 词：九龙山紫菀 紫菀属 菊科 新种 浙江 

分 类 号：Q949[生物学—植物学]