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截叶蓝刺头Echinops coriophyllus Shih

截叶蓝刺头Echinops coriophyllus Shih

别名:硬叶蓝刺头;

科名:菊科 Compositae

属名:蓝刺头属 Echinops

《中国植物志》第78(1)卷003页
  1. 截叶蓝刺头(东北林学院植物研究室汇刊) 硬叶蓝刺头 图版8: 4-5
  Echinops coriophyllus Shih in Bull. Bot. Lab. North-Eastern Forest. Inst. 5:63,1979.
  多年生草本,高45厘米。茎单生,自中部以下分枝,分枝长,斜升,全部茎枝被稀疏的蛛丝毛。全株有密集的叶。下部茎叶披针形,长10.5厘米,宽5.5厘米,无柄,基部截形,边缘三角形大刺齿或浅刺齿;中上部叶与下部茎叶同形,但渐小;最上部茎叶披针形或椭圆形;全部叶质地坚硬,革质,两面异色,上面绿色,有光泽,无毛,下面灰色或灰绿色,被蛛丝状薄棉毛。复头状花序单生枝端,直径4厘米。头状花序长1.3厘米。基毛少数,污白色,不等长,扁毛状,长约5毫米,长近于总苞长度之半或为总苞长度的1/3。外层总苞片线状倒披针形,稍长于基毛,上部椭圆形扩大,褐色,边缘软骨质短缘毛,顶端软骨质短渐尖,爪部边缘有稀疏的长缘毛,中内层苞片倒披针形或长椭圆形,长8-13毫米,中部以上边缘有稀疏紧贴的软骨质短缘毛,顶端软骨质短渐尖;全部苞片20-21个,龙骨状,外面无毛无腺点。小花蓝色,长1.3毫米,5深裂,花冠裂片线形,花冠管长5毫米,无毛无腺点。瘦果倒圆锥形,长6毫米,中部以上被稠密的淡黄色的贴伏的长直毛,不遮盖冠毛。冠毛量杯状,高约2毫米,冠毛膜片线形,不等长,边缘糙毛状,自中部或中部以下结合。花果期7月。
  模式标本采自江苏铜山县。生于山坡。
形态特征:多年生草本,高45厘米。茎单生,自中部以下分枝,分枝长,斜升,全部茎枝被稀疏的蛛丝毛。全株有密集的叶。下部茎叶披针形,长10.5厘米,宽5.5厘米,无柄,基部截形,边缘三角形大刺齿或浅刺齿;中上部叶与下部茎叶同形,但渐小;最上部茎叶披针形或椭圆形;全部叶质地坚硬,革质,两面异色,上面绿色,有光泽,无毛,下面灰色或灰绿色,被蛛丝状薄棉毛。复头状花序单生枝端,直径4厘米。头状花序长1.3厘米。基毛少数,污白色,不等长,扁毛状,长约5毫米,长近于总苞长度之半或为总苞长度的1/3。外层总苞片线:吠倒披针形,稍长于基毛,上部椭圆形扩大,褐色,边缘软骨质短缘毛,顶端软骨质短渐尖,爪部边缘有稀疏的氏缘毛,中内层苞片倒披针形或长椭圆形,长8—13毫米,中部以上边缘有稀疏紧贴的软骨质短缘毛,顶端软骨质短渐尖;全部苞片20一21个,龙骨状,外面无毛无腺点。小花蓝色,长1.3毫米,5深裂,花冠裂片线形,花冠管长5毫米,无毛无腺点。瘦果倒圆锥形,长6毫米,中部以上被稠密的淡黄色的贴伏的长直毛,不遮盖冠毛。冠毛量杯状,高约2毫米,冠毛膜片线形,不等长,边缘糙毛状,自中部或中部以下结合。花果期7月。
产地分布:模式标本采自江苏铜山县。生于山坡。
参考文献:Eehinops eoriophyllus Shih in Bull.Bot.Lab.North-Eastern Forest.Inst.5:63, 1979.

《Flora of China》 Vol. 20-21 (2011)
Echinops coriophyllus  C. Shih Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 5: 63. 1979.
截叶蓝刺头   jie ye lan ci tou
Herbs to 45 cm tall, perennial. Stem solitary, branched below middle, sparsely cobwebby. Leaves leathery, abaxially gray to grayish green and thinly cobwebby, adaxially green, glabrous, and shiny. Lower cauline leaves sessile, lanceolate, ca. 10.5 × 5.5 cm, base truncate, margin with spine-tipped teeth. Middle cauline leaves similar but gradually smaller upward. Uppermost cauline leaves lanceolate to elliptic. Pseudocephalia ca. 4 cm in diam. Capitula ca. 1.3 cm. Phyllaries 20 or 21, abaxially glabrous; outermost phyllaries oblanceolate, ca. 5 mm, unequal in length, 1/3-1/2 as long as involucre, claw margin sparsely long ciliate, distal portion broadly elliptic, cartilaginous, margin ciliate, and apex acuminate; middle and inner phyllaries oblanceolate to narrowly elliptic, 0.8-1.3 cm, distal half of margin sparsely shortly appressed ciliate. Florets ca. 1.3 cm. Corolla blue, glabrous, tube ca. 5 mm. Achene ca. 6 mm, hairs yellowish. Pappus scales linear, to 2 mm, unequal in length, connate for up to proximal half. Fl. and fr. Jul.
● Mountain slopes. Jiangsu (Tongshan).

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