角蕨Cornopteris decurrenti-alata (Hoook.) Nakai

别名：贞蕨;毛叶角蕨;

科名：蹄盖蕨科 Athyriaceae

属名：角蕨属 Cornopteris

《中国植物志》第3(2)卷357页
  6. 角蕨（中国高等植物图鉴）贞蕨（中国主要植物图说 蕨类植物门）
  Cornopteris decurrenti-alata (Hook.) Nakai in Bot. Mag. Tokyo 44: 8. 1930; Ching in Sunyatsenia 5: 237. 1940; H. Ito, Fil. Jap. Ill. t. 201. 1944; DeVol, Ferns East Centr. China 88. 1945; 傅书遐, 中国主要植物图说 蕨类植物门123, 图165. 1957; Tagawa, Col. Ill. Jap. Pterid. 132, t. 54, f. 294. 1959; Ic. Corm. Sin. 1: 186, f. 371, 1972; Fl. Tsinling. 2: 110, t. 28, f. 1-4. 1973; DeVol et C. M. Kuo in H. L. Li et al., Fl. Taiwan 1: 454, pl. 161. 1975; Nakaike, Enum Pterid. Jap. 151. 1975 et New Fl. Jap. Pterid. 324 cum f. 1982; 江苏植物志 上册: 36, 图43. 1976; M. Kato in Acta Phytotax. Geobot. 30(4-6): 106, f. 3. 1979; 河南植物志1: 57, 图73. 1981; Fl. Fujian. 1: 99, f. 91. 1982; 安徽植物志 1: 100, 图93. 1985; K. Iwats., Ferns ＆ Fern Allies Jap. 242, pl. 161, f. 3-4. 1992; Shing in J. F. Cheng et G. F. Zhu, Fl. Jiangxi 1: 141, f. 123. 1993; ——Gymnogramma decurrenti-alata Hook. Sp. Fil. 5: 142, t. 294. 1864. ——Leptogramma decurrenti-alata (Hook.) J. Sm. in Journ. Bot. 232. 1875. ——Nephrodium decurrenti-alatum (Hook.) Diels in Engl. u. Prantl, Nat. Pflanzenfam. 1 (4): 171. 1899. ——Dryopteris decurrenti-alata (Hook.) C. Chr., Ind. Fil., 261. 1906. ——Athyrium decurrenti-alatum (Hook.) Copel. in Philip. Journ. Sci. Bot. 3: 297. 1909 et Gen. Fil. 150. 1947. ——Diplazium decurrenti-alatum (Hook.) C. Chr. in Bull. Acad. Geogr. Bot. Mans 70. 1911 et Ind. Fil. Suppl. 1: 26. 1913; Tard. -Blot et C. Chr. in Lecomte, Fil. Indo-Chine 7(2): 260. 1940. ——Diplazium hookerianum Koidz. in Bot. Mag. Tokyo 38: 105. 1924; Ogata, Ic. Fil. Jap. 2: t. 66. 1929; C. Chr., Ind. Fil. Suppl. 3: 74. 1934. ——Diplazium opacum sensu Tagawa in Acata Phytotax. Geobot. 8: 92. 1939, pro parte. ——Cornopteris tsangii Ching in Bull. Fan Mem. Inst. Biol. New Ser. 1: 285. 1949.

《Flora of China》 Vol. 2-3 (2013)
Cornopteris decurrenti-alata  (Hooker) Nakai Bot. Mag. (Tokyo). 44: 8. 1930.
角蕨   jiao jue
Gymnogramma decurrenti-alata Hooker, Sp. Fil. 5: 142, t. 294. 1864; Athyrium decurrenti-alatum (Hooker) Copeland; Cornopteris tsangii Ching; Diplazium decurrenti-alatum (Hooker) C. Christensen; D. hookerianum Koidzumi; Dryopteris decurrenti-alata (Hooker) C. Christensen; Leptogramma decurrenti-alata (Hooker) J. Smith; Nephrodium decurrenti-alatum (Hooker) Diels; Phegopteris decurrenti-alata (Hooker) Christ.
Plants summer-green. Rhizome slender, creeping, dark brown, ca. 5 mm in diam., apex with brown-lanceolate scales; fronds approximate. Fertile frond up to 80 cm; stipe dark stramineous, up to 40 cm, base with scales, upward subglabrous, grooved on adaxial side; lamina 1- or 2-pinnate below apex, ovate-elliptic, up to 40 × 28 cm, apex acuminate; pinnae up to 10 pairs, ascending, distant, lanceolate, base subtruncate, nearly symmetrical, apex acuminate; lower pinnae larger, elliptic-lanceolate, up to 15 × 4 cm, pinnatisect or 1-pinnate; pinna lobes or pinnules ovate or narrowly elliptic, up to 3 × 1 cm, margin pinnatilobate, sparsely dentate, or repand, apex obtuse; veins visible, veinlets simple or forked, ending into lobe margin. Lamina herbaceous, brown when dry, hairy or not. Sori shortly linear or narrowly elliptic, medial or inframedial. Spores semicircular in equatorial view, perispore hyaline, with rugate, granular projections. x = 40.
Valley forests, beside shaded streamlets; 200-2800 m. Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, N India, Japan, Korea, Nepal].
Cornopteris decurrenti-alata is variable in the shape and dissection of fronds.Plants having fronds with dense multicellular short nodose hairs on abaxial side of the rachis, costae, and midribs (n = 80) have been named Cornopteris decurrenti-alata f. pillosella (H. It?) W. M. Chu (Fl. Reipubl. Popularis Sin. 3(2): 358. 1999; C. decurrenti-alata var. pillosella H. It?, Bot. Mag. (Tokyo) 52: 588. 1938; Athyrium decurrenti-alatum var. pillosellum (H. It?) Ohwi; A. unifurcatum C. Christensen var. harryanum C. Christensen; C. glandulosopilosa S. F. Wu; C. likiangensis Ching; C. musashiensis Nakai; 毛叶角蕨 mao ye jiao jue): valley forests, beside shaded streamlets; 200-2800 m. Guizhou, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang [Japan].