討論:玉山薊

山羊百科，林文智老師的植物、山岳、攝影紀錄

6. Cirsium kawakamii Hayata, 玉山薊（川上氏薊）

Stems erect, sulcate-striate, branches ascending. Radical leaves elliptic-lanceolate, 15-25 cm long, apex narrowly acuminate, base contracted, amplexicaul or not, deeply pinnatifid, segments ca. 4, remote, lanceolate or linear to oblong-lanceolate, apex narrowed, base few-dentate or spinose, spines 10-20 mm long, sparsely pubescent on both surfaces; upper leaves gradually smaller, oblong-lanceolate, apex long acuminate, base amplexicaul or not, sparsely spinose-dentate.

Heads large, short pedunculate, 4-4.5 cm across, subtended by spinose lanceolate leaves; involucre depressed globose, 22 x 40-15 mm, purplish cobwebby hairy, bracts 5-seriate, outer and middle ones linear-lanceolate, apical spine 5-8 mm long, inner bracts linear, smaller, unawned; corolla purple, 18-21 mm long, limb ca. as long as tube. Achenes oblong, 4 mm long.

褐冠蓟 Cirsium kawakamii Hayata

茎直立，高过30厘米，分枝斜升，被蛛丝毛及多细胞节毛。茎叶椭圆状披针形，顶端渐尖，基部收窄，抱茎或不抱茎，长12—25厘米，羽状半裂;侧裂片4对，稀疏排列，披针形、线状披针形或长圆状披针形，顶端渐狭，基部有稀疏粗齿或针刺，针刺坚硬，长10—20 毫米，两面绿色，两面贴伏的柔毛;向上的叶渐小，长椭圆状披针形，顶端长渐尖，基部抱茎 或不抱茎，边缘稀疏刺齿。总苞扁球形，直径4—4.5厘米，有蛛丝毛。总苞片5层，外层与中层披针形，顶端针刺长4—S毫米，全缘，外面无粘腺;内层线形，较中层短，顶端渐尖。 小花紫红色。花冠长19毫米，细管部与檐部等长。冠毛污褐色，长16毫米。瘦果长圆形，长4毫米