毛叶假瘤蕨
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2023-11-09 09:28
Phymatopteris nigrovenia (Christ) Pic. Serm. in Webbia 28 (2): 463. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 134. 1985. ——Polypodium shensiense Christ var. nigrozenium Christ in Bull. Acad. Geogr. Bot. 15: 106. 1906. ——Polypodium nigrovenium (Christ) Ching in Bull. Fan Mem. Inst. Biol. 1: 150. 1930. ——Phymatodes nigrownia (Christ) Ching in Contr. Inst. Bot. Nat. Acad. Peiping 2 (3): 79. 1933; Ic. Fil. Sin.2: 100. Pl. 100. 1934. ——Phymatopsis nigrozvnia (Christ) Ching in Acta Phytotax. Sin. 9 (2): 191. 1964. ——Phymatopsis laipoensis Ching in Acta Phytotax. Sin. 9 (2): 196. 1964. ——Phymatopteris laipoensis (Ching) Pic. Serm. in Webbia 28 (20: 463. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 133. 1985.
附生植物。根状茎细长而横走,粗约2毫米,被白色和较稀疏的鳞片;鳞片披针形,长约3毫米,乌黑色,或在幼嫩的根状茎上为深棕色,顶端渐尖,边缘具稀疏的睫毛。叶远生;叶柄长约4-6厘米,纤细,禾秆色,光滑无毛;叶片羽状深裂,长约8-10厘米,宽约5-6厘米,基部浅心形;裂片约3-5对,长约3-4厘米,宽约1厘米,顶端钝圆或短渐尖,基部略收缩或不收缩,边缘具浅锯齿。叶脉两面明显,侧脉曲折,小脉网状,在裂片中脉两侧各具二行网眼。叶纸质,表面被短柔毛,背面光滑无毛。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、四川和湖北。附生树干上或石上,海拔2500-3300米。模式标本采自四川 (峨眉山) 。