滇线蕨

var. pentaphylla (Baker) L. Shi et X. C. Zhang in Acta Phytotax. Sin. 37 (1): 77. 1999. ——Colysis pentaphylla (Baker) Ching, Bull. Fan Mem. Inst. Biol. 4: 332. 1933; C. Chr., Ind. Fil. 56. 1934: Ching, Ic. Fil. Sin. 4: 199. Pl. 199. 1937: Tagawa et K. Iwats., Fl. Thailand 4: 540. 54. 1989: Shing in W. T. Wang, Vascul. Pl. HengduanMts. 1: 181. 1993. ——Polypodium pentaphyllum Baker, Ann. Bot. 5: 478. 1891; C.Chr., Ind. Fil. Suppl. 126. 1913. ——Gymnogramme (Selliguea) pentaphylla Baker, Darling et Son, Bull. Miscellan. Informat. 233. 1898. ——Polypodium mediosorumChing, Bull. Fan Mem. Inst. Biol. 2: 19. Pl. 4. 1931: C. Chr., Ind. Fil. Suppl. 153. 1934. ——Colysis longisora (Baker) Ching, Bull. Fan Mem. Inst. Biol. 4: 331. 1933; C. Chr., Ind. Fil. 56. 1934; Tardieu et C. Chr. Fl. Indo-Chine 7 (2): 494. 1941; V. G. Tu, Novosti Syst. Vyssh. Rast. 18: 33. 1981. ——Gymnogramme longisora Baker, J. Bot. (London) 267. 1890. ——Polypodium longisorum (Baker) C. Chr., Ind. Fil. 541. 1906; Ching, Bull. Fan Mem. Inst. Biol. 2: 19. pl. 3. 1931; C. Chr., Ind. Fil. Suppl. 152. 1934.

产广东(阳春)、广西(桂平、贺县、隆林、龙州、宁明、藤县、田林)、贵州(安顺、望谟)、云南(峨山、凤庆、福贡、贡山、广南、河口、景东、景洪、金坪、临沧、绿春、泸水、麻栗坡、马关、勐腊、孟连、勐仑、屏边、双柏、腾冲、文山、西畴、新平、砚山、盈江、永德、元江、元阳、镇康)和西藏(墨脱)等省区。生于海拔500-1500米林下。模式标本采自云南。

本变种与其他变种的区别在于，羽片少，3(2-8)对，羽片中部宽达3(1.7-5)厘米。集中分布于喜马拉雅地区。