金鸡脚假瘤蕨

Phymatopteris hastata (Thunb.) Pic. Serm. in Webbia 28 (2): 462. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 133. 1985. ——Polypodium hastatum Thunb., Fl. Jap. 335. 1784; C. Chr., Ind. Fil. 532. 1906; Y. C. Wu, Polyp. Yaoshan 294. pl. 138. 1932. ——Phymatodes hastata (Thunb.) Ching in Sinensia 3: 344. 1933; Contr. Inst. Bot, Nat. Acad. Peiping 2 (3): 73. 1933. ——Phymatopsis hastata (Thunb.) H. Ito in J. Jap. Bot. 11: 99. 1935; Fil. Jap. 3: Pl. 385. 1944; Ching in Acta Phytotax. Sin. 9 (2): 188. 1964; Ic. Corm. Sin. 1: 252. t. 503. 1972; 江苏植物志上册1: 79. t. 122. 1977; B. Z. Ding et al., Fl. Henan. 1: 109. T. 131. 1981; Fl. Liaoning. 1: 120. Pl. 51. F.4-5. 1988; Fl. Fujian. 1: 243. t. 232. 1982; 陈仁钧, 安徽植物志1: 199.图209.1985; S. X. Xu in J. F. Cheng et G. F. Chu, Fl. Jiangxi 1: 334. t. 347. 1993; C. F. Zhang et S. Y. Zhang. Fl. Zhejiang 1: 322. t. 1-339. 1993. ——Crypsinus hastata (Thunb.) Copel., Gen. Fil. 206. 1947; Nakaike, Enum. Pterid. Jap. 327. 1975; New Fl. Jap. Pterid. 643. t. 643a, 643b. 1992; K. Iwats., Ferns and Fern Allies of Jap. 276. Pl. 190. f. 3-4. 1992; Shieh. De Vol et C. M. Kuo, Fl. Taiwan 2nd ed. 1: 479. 1994. ——Drymaria hastata (Thunb.) Fee, Gen. Fil. 346. 1852. ——Pleopeltis hastato (Thunb.) T. Moore, Ind. Fil. 346. 1862. ——Polypodium arenarium Baker in KewBull. 1895: 56. 1895. ——Phymatopsis hastata f. arenaria (Baker) Ching in Acta Phy-totax. Sin. 9 (2): 188. 1964. ——Polypodium dolichopodum Diels in Engl. Bot. Jahrb. 29: 205. 1900. ——Polypodium hastatum var. doliichopodum (Diets) C. Chr. in Acta Horti Gotob. 1: 103. 1924. ——Phymatopsis hastata f. dolichopoda (Diels) Ching in Acta Phytotax. Sin. 9 (2): 188. 1964. ——Polypodium hastatum f. pygmaeum Maxim., Pl. As. Or. Fragm. 73. 1879. ——Phymatopsis hastata f. pygmaew (Maxim.) H.Ito in Honda, Nom. Pl. Jap. 20. 1939; Ching in Acta Phytotax. Sin. 9 (2): 188. 1964. ——Polypodium hastatum var. simplex Christ in Bull. Acad. Geogr. Bot. 1906: 105. 1906; C. Chr. in Acta Horti Gothob. 1: 103. 1924. ——Phymatopsis hastata f. simplex (Christ) Ching in Acta Phytotax. Sin. 9 (2): 188. 1964. ——Phymatopsischenkouensis Ching in Acta Phytotax. Sin. 9 (2): 188. 1964. ——Phymatopteris chenk-owensis (Ching) Pic. Serm. in Webbia 28 (2): 461. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 132. 1985. ——Phymatopsis hunyaensis Ching in Acta Phytotax. Sin. 9 (2): 187. 1964. ——Phymatopteris hunyaensis (Ching) Pic. Serm. in Webbia 28 (2): 462. 1973; Jarrett et al., Ind. Fil. SUPPI. 5: 133. 1985. ——Phymatopsis rotunda Ching in Acta Phytotax. Sin. 9 (2): 186. 1964. ——Phymatopteris rotunda (Ching) Pic. Serm. in Webbia 28 (2): 464. 1973; Jarrett et al., Ind. Fil. Suppl. 5: 134. 1985. ——Phymatopsis simplicifolia Ching in Acta Phytotax. Sin. 9 (2): 187. 1964; Ching et al. in C.Y. Wu, Fl. Xizang. 1: 320. Pl. 81. f. 6-7. 1983. ——Phymatopteris simplicifolia (Ching) Pic. Sean. in Webbia 28 (2): 464. 1973: Jarrett et al., Ind. Fil. Suppl. 5: 134. 1985. ——Phymatopsis similis Ching apud C. Y. Wu, Fl. Xizang. 1: 319. 1983, ——Phymatopsis tarningensis Ching in Wuyi Sci. J. 1: 10. 1981. ——Phymatopsis shandonensis J. X. Li et C. Y. Wang in Acta Phytotax. Sin. 22 (2): 165. t. 2. 1984; Fl. Shandong. 1: 143. T. 76. 1990.

土生植物。根状茎长而横走，粗约3毫米，密被鳞片；鳞片披针形，长约5毫米，棕色，顶端长渐尖，边缘全缘或偶有疏齿。叶远生；叶柄的长短和粗细均变化较大，长约在2-20厘米，直径约在0.5-2毫米范围，禾秆色，光滑无毛。叶片为单叶，形态变化极大，单叶不分裂，或戟状二至三分裂；单叶不分裂叶的形态变化亦极大，从卵圆形至长条形，长约2-20厘米，宽1-2厘米，顶端短渐尖或钝圆，基部楔形至圆形；分裂的叶片其形态也极其多样，常见的是戟状二至三分裂，裂片或长或短，或较宽，或较狭，但通常都是中间裂片较长和较宽。叶片 (或裂片) 的边缘具缺刻和加厚的软骨质边，通直或呈波状。中脉和侧脉两面明显，侧脉不达叶边；小脉不明显。叶纸质或草质，背面通常灰白色，两面光滑无毛。孢子囊群大，圆形，在叶片中脉或裂片中脉两侧各一行，着生于中脉与叶缘之间；孢子表面具刺状突起。

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