| 学名(拉丁名) | Dryopteris expansa |
| 中文名 | 广布鳞毛蕨 |
| 中文科名 | 鳞毛蕨科 |
| 拉丁属名 | Dryopteris |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 中文属名 | 鳞毛蕨属 |
| 学名(拉丁名) | Dryopteris expansa |
| 命名人 | (C. Presl) Fraser-Jenk. & Jermy (accepted name) |
| 拉丁属名 | Dryopteris |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 学名(拉丁名) | Dryopteris expansa |
| 命名人 | (C. Presl) Fraser-Jenk. & Jermy |
| 发表年份 | 1977(年) |
| 拉丁属名 | Dryopteris |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 学名(拉丁名) | Dryopteris expansa |
| 中文名 | 广布鳞毛蕨 |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 学名(拉丁名) | Dryopteris expansa |
| 中文名 | 广布鳞毛蕨 |
| 中文科名 | 鳞毛蕨科 |
| 拉丁属名 | Dryopteris |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 中文属名 | 鳞毛蕨属 |
| 学名(拉丁名) | Dryopteris expansa |
| 发表年份 | 1977(年) |
| 拉丁属名 | Dryopteris |
| 类型 | species |
| 拉丁科名 | Dryopteridaceae |
| 学名 | 状态 | 来源 | 命名人 |
|---|---|---|---|
| Dryopteris manshurica | Synonym | The Plant List | Ching |
| Dryopteris siranensis | Synonym | The Plant List | Nakai |
| Dryopteris spinulosa subsp. assimilis | Synonym | The Plant List | (S. Walker) Schidlay |
| Nephrodium expansum | Synonym | The Plant List | C. Presl |
| Dryopteris expansa var. willeana | Accepted | The Plant List | (Lid) Elven |
| Dryopteris assimilis | Synonym | The Plant List | S. Walker |
| Dryopteris dilatata subsp. americana | Synonym | The Plant List | Hultén |
Nephrodium expansum C. Presl, Reliq. Haenk. 1: 38. 1825; Dryopteris assimilis S. Walker; D. manshurica Ching; D. siranensis Nakai; D. spinulosa (O. F. Müller) Watt subsp. assimilis (S. Walker) Schidlay.
Plants 40-100 cm tall. Rhizome obliquely ascending or creeping, short, stout. Fronds caespitose; stipe densely scaly; scales pale brown to castaneous with a pale brown margin, glossy, ovate to broadly lanceolate, ca. 1.5 cm, membranous, apex acute; lamina longer than stipe, oblong, ovate-oblong, or subdeltoid, 25-50 × 12-35 cm, bipinnate-pinnatisect, base not narrowed, apex acuminate; pinnae 6-11 pairs, opposite or subopposite, basal pinnae largest, obliquely deltoid, shortly stalked, basiscopic pinnules distinctly longer than acroscopic ones, remaining pinnae oblong-lanceolate, rarely oblong-ovate, shortly stalked, apex acuminate; pinnules oblong, shortly stalked, apex acute; segments oblong, 2-4 mm wide, apex with aristate teeth. Lamina herbaceous, glabrous; veins pinnate, not forked, 3 or 4 pairs on each segment. Sori on upper part of veinlets; indusia orbicular-reniform, entire or slightly incised.
Forests; 700-1800 m. Hebei (Wuling Shan), Heilongjiang, Jilin, Liaoning [Japan, Korea, Russia (Far East); Europe, North America].
Dryopteris spinulosa var. morrisonensis Hayata (J. Coll. Sci. Imp. Univ. Tokyo 30: 422-423. 1911; D. morrisonensis (Hayata) Hayata), described from Taiwan, was treated as a synonym of D. expansa by Fraser-Jenkins (Bull. Brit. Mus. (Nat. Hist.), Bot. 14: 210. 1986).
80.广布鳞毛蕨 图版26: 1-3
Dryopteris expansa (Presl) Fraser-Jenkins et Jermy in Fern Gazette 11 (5): 338. 1977; 辽宁植物志 上册99.图版41. 1995. ——Nephrodium expansum Presl in Ral. Haenk. 1: 38. 1825. ——Dryopteris siranensis Nakai in Bull. Nat. Mus. Tokyo 33: 3. 1953. ——Dryopteris assimilis S. Walk. in Amer. Journ. Bot. 48: 607, adnot. 1961. ——Dryopteris spinulosa (Mull.) Hatt. subsp. assimilis (S. Walk.) Schididay in Fl. Slovensk 2: 217. 1966. ——Dryopteris manshurica Ching in Fl. Pl. Herb. China Bor. -Orient. 1: 59，69. 1958. ——Dryopteris austriaca auct. non (Jacq.) Woyn. : 东北草本植物志1: 59. 图46. 1958; Kitag. Neo-Lineam. Fl. Mansh. 34. 1979.
植株高40-100厘米。根状茎短粗，斜升或横卧。叶簇生；叶柄密被鳞片，鳞片卵形至广披针形，长达1.5厘米，锐尖头，膜质，淡褐色至栗褐色，边缘淡棕色，有光泽；叶片与叶柄近等长，长圆形、卵状长圆形或近三角形，长25-50厘米，宽12-35厘米，渐尖头，基部不变狭，三回羽状深裂；羽片6-11对，对生或近对生，基部羽片最大斜三角形，具短柄，羽轴下侧小羽片显著长于上侧小羽片，其他羽片长圆状披针形，稀为长圆状卵形，具短柄，渐尖头，二回羽状；小羽片下先出，长圆形，稀卵状长圆形，尖头，具短小柄，基部羽片下部下侧小羽片的长是整个小羽片长度的一半以上，羽状深裂；裂片长方形或长圆形，宽2-4毫米，先端齿牙具芒刺。叶草质，无毛，表面绿色，背面淡绿色，叶脉羽状，每裂片3-4对，不分叉。孢子囊群圆形，生于小脉顶端或上部；囊群盖圆肾形，全缘或微具缺刻；孢子广椭圆形，褐色，具极细刺瘤。
产黑龙江、吉林、辽宁、河北 (雾灵山) 。生林下，海拔700-1800米。俄罗斯 (远东地区) 、朝鲜、日本及欧洲、北美洲也有分布。
标本份数
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