Phymatopteris stracheyi
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2023-11-09 06:58
Phymatopteris stracheyi (Ching) Pic. Serm. in Webbia 28 (2): 464. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 134. 1985. ——Phymatodes stracheyi Ching in Contr. Inst. Bot. Nat. Acad. Peiping 2 (3): 83. 1933. ——Polypodium stracheyi (Ching) C. Chr., Ind. Fil. Suppl. 3: 159. 1934. ——Phymatopsis stracheyi (Ching) Ching in Acta Phytotax. Sin. 9 (2): 195. 1964; Ching et al. in C. Y. Wu, Fl. Xizang. 1: 324. pl. 82. f. 1-2. 1983; W. T. Wang, Vasc. Pl. Hengduan Mts. 1: 177. 1993. ——Polypodium stezvartii auct.: C. B. Clarke in Trans. Linn. Soc. 2, Bot. 1: 563. 1880 auct., non Pleopeltis stewartii Bedd., 1866. ——Polypodium trifidum Christ in Bull. Soc. Bot. France 52: Mem. 1: 17. 1905 auct., non D. Don, 1825. ——Polypodium malacodon auct. : Bakerin J. Bot. 1889: 177. 1889; Christ in Bull. Acad. Geogr. Bot. 1906: 106. 1906 non Hook., 1863.
附生植物。根状茎细长而横走,粗约3毫米,密被鳞片;鳞片披针形,中间栗黑色,边缘和顶端棕色,顶端渐尖,边缘具睫毛。叶远生;叶柄长约5-8厘米,禾秆色,光滑无毛;叶片羽状深裂,长约10-12厘米,宽约12厘米,基部心形;裂片约2-4对,基部一对向后反折,披针形,长约5-7厘米,宽约1-1. 5厘米,基部最宽,中部至顶端长渐尖,边缘有单锯齿。侧脉明显,小脉不明显。叶革质,两面光滑无毛。孢子囊群圆形,在裂片中脉两侧各一行,靠近中脉着生。
产云南、四川、西藏、湖北。附生树干上,海拔2800-3700米。印度北部、锡金、不丹、尼泊尔。模式标本采自锡金。