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穗花刺头菊Cousinia falconeri Hook. f.

穗花刺头菊Cousinia falconeri Hook. f.

科名:菊科 Compositae

属名:刺头菊属 Cousinia

《中国植物志》第78(1)卷054页
  10.穗花刺头菊(新拟)图版15: 1
  Cousinia falconeri Hook. f., Fl. Brit. Ind. 3: 360, 1881; C. Winkl. in Act. Hort. Petrop. 12: 26, 1892; Cousinia thomsonii auct. non C. B. Clarke: 梁松筠, 西藏植物志4: 858, 1985, p. p.
  二年生草本,高30-100厘米。根直伸。茎直立,上部分枝,全部茎枝灰白色,被绒毛。基生叶长椭圆形,长13厘米,包括边缘针刺宽5厘米,羽状全裂或几全裂,有长约3厘米的叶柄;侧裂片骨针状,钻状长三角形,与羽轴直角相交,边缘反卷,无针刺亦无刺齿,中脉在侧裂片下面高起且粗厚,在顶端伸延成黄色坚硬针刺,针刺长达5-10毫米,顶裂片与侧裂片同形,顶端具有等样针刺;中下部茎叶与基生叶同形并等样分裂,但较小,无叶柄;上部及接头状花序的叶更小,等样分裂,长椭圆形或披针形,无柄,基部半抱茎。全部茎叶革质,坚硬,两面异色,上面绿色或黄绿色,无毛,下面灰白色,被稠密绒毛。头状花序4-5个在茎枝顶端排成穗状花序,但穗状花序中下部的头状花序常不甚发育。总苞球形或几球形,被稠密膨松的蛛丝毛,直径3-5厘米。总苞片9层,中外层长三角形,内层线形;全部苞片质地坚硬,革质。托毛边缘糙毛状。小花紫红色。瘦果不成熟。花期6月。
  西藏西南部(扎达)。生于河滩砾石地或山坡,海拔4100-4400米。印度北部有分布。模式标本采自西藏。
形态特征:二年生萆本,高30—100厘米。根直伸。茎直立,上部分枝,全部茎枝灰白色,被绒毛。基生叶长椭圆形,长13厘米,包括边缘针刺宽5厘米,羽状全裂或几全裂,有长约3厘米的叶柄;侧裂片骨针状,钻状长三角形,与羽轴直角相交,边缘反卷,无针刺亦无刺齿,中脉在侧裂片下面高起且粗厚,在顶端伸延成黄色坚硬针刺,针刺长达5—10毫米,顶裂片与侧裂片同形,顶端具有等样针刺;中下部茎叶与基生叶同形并等样分裂,但较小,无叶柄;上部及接头状花序的叶更小,等样分裂,长椭圆形或披针形,无柄,基部半抱茎。全部茎叶萆质,坚硬,两面异色,上面绿色或黄绿色,无毛,下面灰白色,被稠密绒毛。头状花序4——5个在茎枝顶端排成穗状花序,但穗状花序中下部的头状花序常不甚发育。总苞球形或几球形,被稠密膨松的蛛丝毛,直径3—5厘米。总苞片9层,中外层长三角形,内层线形;全部苞片质地坚硬,革质。托毛边缘糙毛状。小花紫红色。瘦果不成熟。花期6月。
产地分布:西藏西南部(扎达)。生于河滩砾石地或山坡,海拔4100—4400米。印度北部有分布。模式标本采自西藏。
参考文献:Cousinia falconeri Hook, f·,F1. Brit. Ind. 3:360, 1881;C,Winkl. In Act. Hort。Petrop.12:26,1892:Cousinia thomsonii auct.Non C.D.Clarke:梁松筠,西藏植 物志4:858,1985,p·p.

《Flora of China》 Vol. 20-21 (2011)
Cousinia falconeri  J. D. Hooker Fl. Brit. India. 3: 360. 1881.
穗花刺头菊   sui hua ci tou ju
Herbs 30-100 cm tall, biennial. Stems grayish white, erect, apically branched, unwinged, felted. Leaves leathery, abaxially grayish white and densely felted, adaxially green to yellowish green and glabrous. Basal leaves with petiole ca. 3 cm; leaf blade ca. 10 × 5 cm, ± pinnatisect; segments needle-shaped, patent at right angle, margin entire and revolute, midvein thick and abaxially raised, apex narrowed into a yellow rigid 5-10 mm spine. Cauline leaves similar to basal leaves but sessile; upper cauline leaves lanceolate, smaller, semiamplexicaul. Capitula spicate by 4 or 5 near apex of stem and branches. Involucre subglobose, 3-5 cm in diam., densely and fluffily cobwebby Phyllaries in ca. 9 rows, rigid, leathery; outer and middle phyllaries lanceolate, 1.9-2.2 cm × ca. 0.4 mm, apex narrowed into a straight 2-4 mm spine; inner phyllaries narrowly lanceolate, 1.8-2 × ca. 0.3 cm, apex narrowed into a ca. 2.5 mm spine. Corolla purplish red. Mature achene unknown. Fl. Jun.
Slopes, gravelly places in flooded lands; 4100-4400 m. W Xizang [India, Pakistan].

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