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四川香青Anaphalis szechuanensis Ling et Y. L. Chen

四川香青Anaphalis szechuanensis Ling et Y. L. Chen

科名:菊科 Compositae

属名:香青属 Anaphalis

《中国植物志》第75卷199页
  41. 四川香青 图版31: 1-12
  Anaphalis szechuanensis Ling et Y. L. Chen, 植物分类学报, 11: 109. 1966. —— Anaphalis xylorhiza auct. non Sch.-Sip.: Hand.-Mazz. in Act. Hort. Goth. 12: 246. 1938.
  根状茎粗壮,扭曲,灌木状,上端被枯叶残片,有顶生的莲座状叶丛及花茎。茎直立或斜升,高达20厘米,草质,纤细,不分枝,被白色薄棉毛,有较密的叶。莲座状叶与茎基部叶近同形,匙形,长0.5-3.5厘米,宽0.3-0.7厘米,下部急狭成短或稍长的,基部常紫色的细柄,顶端圆形或钝,边缘平;中部叶倒披针形或匙状倒披针形,长1.5-3.5厘米,宽0.3-0.6厘米,直立或稍开展,基部稍沿茎下延成狭翅,钝或稍尖;上部叶渐小,线状披针形,有小尖头或枯焦状长尖头;全部叶两面被白色或灰白色密棉毛,有时下部叶的基部脱毛而露出头状具柄腺毛,有不明显的三出脉或单脉。头状花序5-18个,密集成伞房状或复伞房状,花序梗长2毫米。总苞狭钟状,长5毫米,径4-5毫米,总苞片5-6层,外层卵圆形,长2.5毫米,浅褐色,下部被蛛丝状毛;内层长圆状椭圆形,长约4毫米,宽1.5毫米,白色,顶端钝,在雄株近圆形,最内层匙状长圆形,长3.5毫米,有长达全长三分之二的爪部。花托有繸状突起。雌株头状花序有多层雌花,中央有5个雄花;雄株头状花序全部有雄花。花冠长2.5-3.5毫米。冠毛较花冠稍长;雄花冠毛上部宽扁,有锯齿。瘦果长圆形,长约1毫米,有密乳头状突起。花期7-8月,果期9月。
  产四川西部(康定、理县、太宁)。生于高山石质草坡和石灰岩上,海拔3500-4500米。
  此种曾被 Handel-Mazzetti 误定名为木根香青 A. xylorhiza Sch.-Bip.。它与后者显然接近。这两种的体态也略相似。但此种的莲座状叶丛和茎基部叶匙形,下部急狭成基部紫色的细柄,两面被白色或灰白色密棉毛,不脱毛,叶脉不明显,仅中脉在下面稍高起;总苞片在雌株钝或稍钝,在雄株钝或圆形。太宁的植物花茎较矮小,一般不超过7厘米,且多少聚集成垫状,似为适应高山环境的一个变型 f. humilis Ling, in sched.。生长于岩石上,海拔4400米。
形态特征:根状茎粗壮,扭曲,灌木状,上端被枯叶残片,有顶生的莲座状叶丛及花茎。茎直立或斜升,高达20厘米,草质,纤细,不分枝,被白色薄棉毛,有较密的叶。莲座状叶与茎基部叶近同形,匙形,长0.5—3.5厘米,宽0.3-0.7厘米,下部急狭成短或稍长的,基部常紫色的细柄,顶端圆形或钝,边缘平;中部叶倒披针形或匙状倒披针形,长1.6—3.5厘米,宽0.3—0.6厘米,直立或稍开展,基部稍沿茎下延成狭翅,钝或稍尖,上部叶渐小,线状披针形,有小尖头或枯焦状长尖头;全部叶两面被白色或灰白色密棉毛,有时下部叶的基部脱毛而露出头状具柄腺毛,有不明显的三出脉或单脉。头状花序5—18个,密集成伞房状或复伞房状,花序梗长2毫米。总苞狭钟状,长5毫米,径4—5毫米,总苞片5—6层,外层卵圆形,长2.5毫米,浅褐色,下部被蛛丝状毛;内层长圆状椭圆形,长约4毫米,宽1.5毫米,白色,顶端钝,在雄株近圆形,最内层匙状长圆形,长3.5毫米,有长达全长三分之二的爪部。花托有缝状突起。雌株头状花序有多层雌花,中央有5个雄花5雄株头状花,序全部有雄花。花冠长2.5—3.5毫米。冠毛较花冠稍长;雄花冠毛上部宽扁,有锯齿。瘦果长圆形,长约1毫米,有密乳头状突起。花期7—8月,果期9月。
产地分布:产四川西部(康定、理县、太宁)。生于高山石质草坡和石灰岩上,海拔3500—4500米。
本种提示:此种曾被Handel-Mazzetti误定名为木根香青A.XylorhizaSch.,Bip·。它与后者显然接近。这两种的体态也略相似。,但此种的莲座状叶丛和茎基部叶匙形,下部急狭成基部紫色的细柄,两面被白色或灰白色密棉毛,不脱毛,叶脉不明显,仅中脉在下面稍高起;总苞片在雌株钝或稍钝,在雄株钝或圆形。太宁的植物花茎较矮小,一般不超过7厘米,且多少聚集成垫状,似为适应高山环境的一个变型f.Hu·milisLing?insched·。生长于岩石上,海拔4400米。
参考文献:Anaphalis szeehuanensis Ling et Y.1.Chen,植物分类学报,11:109. 1966~ Anaphalis xylorhiza auct.Non Sch.·Bip.:Hand.·Mazz. In Act. Hort.Goth.12;246.1938.

《Flora of China》 Vol. 20-21 (2011)
Anaphalis szechuanensis  Y. Ling & Y. L. Chen Acta Phytotax. Sin. 11: 109. 1966.
四川香青   si chuan xiang qing
Rhizome thickish, contorted, with upper leaves dense, withered terminal rosette leaves, and flowering stems. Stems erect or ascending, ca. 20 cm, herbaceous, slender, white-canescent arachnoid tomentose, densely leafy. Lower leaves homomorphic with rosette leaves, spatulate, 0.5-3.5 × 0.3-0.7 cm, base abruptly narrowed into a purple, slender, short or rather long petiole, margin flat, apex rounded or obtuse; middle leaves erect or somewhat expanding, spatulate or spatulate-oblanceolate, 1-1.5 × 0.3-0.6 cm, base decurrent on stem into a indistinct short wing, apex obtuse or slightly acute; upper leaves gradually smaller, linear-lanceolate, with short cusp or withered long cusp; all leaves white-canescent tomentose on both surfaces, sometimes lower leaves glabrous to reveal capitate glandular hairs, indistinctly 1- or 3-veined. Capitula 8-15, densely corymbiform or compound corymbiform. Involucre narrowly campanulate, ca. 5 × 4-5 mm; phyllaries 5- or 6-seriate; outer phyllaries light brown, ovate, ca. 2.5 mm, abaxially tomentose; middle ones white, oblong-elliptic, ca. 4 × 1.5 mm, apex obtuse, but subrounded in male florets; innermost ones spatulate-oblong, ca. 3.5 mm, with a ca. 2/3 of full length claw. Receptacle with fimbrillate appendage. Predominantly female capitula with numerous marginal female florets, center with 5 male florets; predominantly male capitula with male florets only. Corolla tube 2.5-3.5 mm. Pappus exceeding corolla, incrassate at tip of apex in male florets, serrulate. Achenes oblong, ca. 1 mm, densely papillose. Fl. Jul-Aug, fr. Sep.
● Alpine rocky grassy slopes and calcareous ground; 3500-4500 m. W Sichuan (Kangding, Lixian, Taining).
No specimens of this species were seen by the second author.No specimens of this species were seen by the second author.

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