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锐叶香青Anaphalis oxyphylla Ling et Shih

锐叶香青Anaphalis oxyphylla Ling et Shih

科名:菊科 Compositae

属名:香青属 Anaphalis

《中国植物志》第75卷187页
  31. 锐叶香青 图版28:12-22
  Anaphalis oxyphylla Ling et Shih, 植物分类学报, 11: 106. 1966.
  根状茎横走;匍枝短,有褐色披针形鳞片状叶及密集的细根。茎直立,丛生,高16-30厘米,纤细,常稍曲折,不分枝或上部有短不育枝,被蛛丝状棉毛或下部常脱毛;上部有较密集的叶。下部叶长圆披针形,长1-1.5厘米,下面被疏棉毛,在花期枯萎,中部以上叶渐大,开展,椭圆形或长圆状披针形,长2.5-5厘米,宽0.5-1厘米,顶端渐尖,有长1-1.5毫米的褐色长尖头,基部渐狭,几不下延,边缘平,顶部叶与中部叶多少等长或稍小,密集于花序梗上且排列成放射状;全部叶被褐色棉毛,后常稍脱毛,下面被灰褐色或黄褐色棉毛,有离基三出脉,中脉细,在下面常脱毛。头状花序3-9个,顶生或腋生,密集成径1.5-2厘米的伞房状,或多数有较长的花序梗而成疏散的复伞房状。总苞宽钟状,长约5毫米,径5-6毫米;总苞片5-6层,外层卵圆形,厚干膜质、浅褐色,顶端钝,白色;内层卵状披针形,长约4毫米,宽达2.5毫米,顶端钝,上部白色,有纵皱摺;最内层狭披针形,有长达全长之半的爪部。花托有繸状短毛。雄株头状花序全部有雄花或外围有1-3个雌花。花冠在雄花长3.5毫米,在雌花长达3.8毫米。冠毛约与花冠等长;雄花冠毛上端稍粗厚,有锯齿。子房长0.8-1.2毫米,有小腺体。花期9-10月。
  产云南西北部(贡山、茨开、黑普山)。生于山坡岩石上。
  此种在干燥后被红褐色或黄褐色棉毛,但茎常被污白色蛛丝状毛,叶向茎上部渐大,顶部叶远较花序为长,略似火绒草属,与下一种接近。与德钦香青 A. larium Hand. -Mazz. 外貌也接近,但后者的毛茸与下延的叶与此种不同。此种的雌株还未见到。
形态特征:根状茎横走;匍枝短,有褐色披针形鳞片状叶及密集的细根。茎直立,丛生,高16—30厘米,纤细,常稍曲折,不分枝或上部有短不育枝,被蛛丝状棉毛或下部常脱毛,上部有较密集的叶。下部叶长圆披针形,长1—1.5厘米,下面被疏棉毛,在花期枯萎,中部以上叶渐大,开展,椭圆形或长圆状披针形,长2.5—5厘米,宽0.5—1厘米,顶端渐尖,有长1—1.5毫米的褐色长尖头,基部渐狭,几不下延,边缘平,顶部叶与中部叶多少等长或稍小,密集于花序梗上且排列成放射状;全部叶被褐色棉毛,后常稍脱毛,下面被灰褐色或黄褐色棉毛,有离基三出脉,中脉细,在下面常脱毛。头状花序3—9个,顶生或腋生,密集成径1.5—2,厘米的伞房状,或多数有较长的花序梗而成疏散的复伞房状。总苞宽钟状,长约5毫米,径5—6毫米;总苞片5—6层,外层卵圆形,厚干膜质、浅褐色,顶端钝,白色;内层卵状披针形,长约4毫米,宽达2.5毫米,顶端钝,上部白色,有纵皱褶,最内层狭披针形,有长达全长之半的爪部。花托有繸状短毛。雄株头状花序全部有雄花或外围有1—3个雌花。花冠在雄花长3.5毫米,在雌花长达3.8毫米。冠毛约与花冠等长;雄花冠毛上端稍粗厚,有锯齿。子房长0.8—1.2毫米,有小腺体。花期9—10月。
产地分布:产云南西北部(贡山、茨开、黑普山)。生于山坡岩石上。
本种提示:此种在干燥后被红褐色或黄褐色棉毛,但茎常被污白色蛛丝状毛,叶向茎上部渐大,顶部叶远较花序为长,略似火绒草属,与下一种接近。与德钦香青A.1ariumHand.·Mazz.外貌也接近,但后者的毛茸与下延的叶与此种不同。此种的雌株还未见到。
参考文献:Anaphalis oxyphylla Ling et Shih,植物分类学报,11:106.1966.

《Flora of China》 Vol. 20-21 (2011)
Anaphalis oxyphylla  Y. Ling & C. Shih Acta Phytotax. Sin. 11: 107. 1966.
锐叶香青   rui ye xiang qing
Rhizome arranged horizontally; runners short, with brownish lanceolate squamiform leaves and dense slender roots. Stems caespitose, erect, 16-30 cm, slender, usually slightly twisted, simple or with short sterile branches, arachnoid lanate or usually glabrate on lower parts; upper parts densely leafy. Lower leaves caducous and lost by anthesis, oblong-lanceolate, 1-1.5 cm, abaxially sparsely lanate; middle and upper leaves becoming large, spreading, elliptic or oblong-lanceolate, 2.5-5 × 0.5-1 cm, base attenuate, almost not decurrent, margin flat, apex acuminate, with brownish long cusp 1-1.5 mm, apical and middle leaves somewhat equal in length; all leaves gray-brownish and fulvous lanate abaxially, brownish lanate and usually glabrescent adaxially, 3-veined, midvein slender, usually glabrous abaxially. Capitula 3-9, terminal or axillary, dense, corymbiform, 1.5-2 cm in diam., or laxly compound corymbiform with long peduncle. Involucre broadly campanulate, ca. 5 × 5-6 mm; phyllaries 5- or 6-seriate; outer phyllaries light brownish, oval, thick, scarious, apex obtuse, white; middle ones white in upper parts, ovate-lanceolate, ca. 4 × 2.5 mm, apex obtuse, with longitudinal corrugation; innermost ones narrowly lanceolate, with a claw ca. 1/2 of full length. Receptacle with fimbrillate short hairs. Predominantly male capitula with male florets only or 1-3 female florets present in outer layer. Corolla ca. 3.5 mm in male florets and ca. 3.8 mm in female florets. Pappus almost as long as corolla, slightly incrassate at tip of apex in male florets, dentate. Ovary 0.8-1.2 mm, with small glandular spots. Fl. Sep-Oct.
● Rocky hillsides. NW Yunnan (Gongshan).
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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