討論:細川氏薊

山羊百科，林文智老師的植物、山岳、攝影紀錄

4. Cirsium hosokawae Kitam., Acta Phytotax. Geobot. 1: 57. 1932, 10: 18. 1941; Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 13: 77. 1937; Li, Fl. Taiwan 4: 833. 1978. 細川氏薊

Stems 40 cm long, sulcate-striate, densely cobwebby hairy. Radical leaves oblanceolate, 22 x 5-6 cm, apex acuminate, base attenuate into petiole, pinnatifid, segments 8-9, ovate or often trilobed, spines of lobules 5-8 mm long, densely cobwebby; cauline leaves gradually smaller and numerous, oblanceolate to lanceolate, base attenuate, apex acuminate, pinnatifid, segments trilobed, spinose, densely cobwebby hairy.

Heads terminal, often 2 or 3 congested, 3-3.5 cm across; involucre more or less cobwebby, globose-campanulate, 18-20 x 30 cm, bracts 6-seriate, erect, outer ones elongate, usually longer; corolla pale yellow or rose purple, 15 mm long, limb often shorter than tube, lobes unequal; pappus brown, 13-14 mm long.

Endemic; exposed mountain trails, 1,600-3,000 m.

红花蓟 Cirsium hosokawai Kitam.

茎高22厘米，有条棱，多分枝，被稠密的蛛丝毛。基生叶花期生存。下部茎叶椭圆 形，长11厘米，宽4厘米，急顶急尖，基部抱茎，羽状半裂;侧裂片6—7对，平展，顶端渐尖，基部有1对很少为2对的粗锯齿，齿顶有长10—15毫米的针刺，边缘有缘毛，上面绿色， 有蛛丝毛，下面灰白色，被稠密绒毛;向上的叶渐小。苞叶3—4枚，卵形或椭圆形，超过头状花序，边缘粗齿而有硬针刺。头状花序生茎枝顶端。总苞半球形，有蛛丝毛，直径3厘 米。外层总苞片披针形，长12—15毫米，宽1—2毫米，顶端渐尖成针刺，针刺长6—7毫 米;内层苞片长约17毫米，顶端急尖，几无针刺。全部总苞片直立。小花红色，花冠长15 毫米，细管部长6毫米，檐部长9毫米，不等5裂。冠毛污白色，长13毫米。