討論:玉山薊

山羊百科,林文智老師的植物、山岳、攝影紀錄

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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

6. Cirsium kawakamii Hayata 玉山薊(川上氏薊)

 莖直立,上部分枝。葉長披針形,先端漸尖,葉基抱莖或無。葉羽狀深裂,缺刻成方框狀,邊緣具1-2 cm長的刺。頭花下垂,總苞片反捲,外側總苞增長;頭花花冠紫色。
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