学名(拉丁名) | Cyrtomium pachyphyllum |
中文名 | 厚叶贯众 |
命名人 | (Rosenst.) C. Chr. |
中文科名 | 鳞毛蕨科 |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
中文属名 | 贯众属 |
学名(拉丁名) | Cyrtomium pachyphyllum |
命名人 | (Rosenst.) C. Chr. (accepted name) |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
学名(拉丁名) | Cyrtomium pachyphyllum |
命名人 | (Rosenst.) C. Chr. |
发表年份 | 1917(年) |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
学名(拉丁名) | Cyrtomium pachyphyllum |
中文名 | 厚叶贯众 |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
学名(拉丁名) | Cyrtomium pachyphyllum |
中文名 | 厚叶贯众 |
中文科名 | 鳞毛蕨科 |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
中文属名 | 贯众属 |
学名(拉丁名) | Cyrtomium pachyphyllum |
发表年份 | 1917(年) |
拉丁属名 | Cyrtomium |
类型 | species |
拉丁科名 | Dryopteridaceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Polystichum pachyphyllum | Synonym | The Plant List | Rosenst. |
Cyrtomium fengianum | Synonym | The Plant List | Ching |
Polystichum pachyphyllum Rosenstock, Repert. Spec. Nov. Regni Veg. 13: 130. 1914; Cyrtomium fengianum Ching & K. H. Shing ex K. H. Shing.
Plants 12-40 cm tall. Rhizome erect, densely covered with lanceolate brown scales. Stipe stramineous, 4-22 cm, 1-3 mm in diam. at base, scaly throughout; scales brown, lanceolate or linear, margins entire or ciliate, slightly twisted. Lamina oblong or triangular, 7-18 × 7-10 cm, base not contracted, 1-imparipinnate, apex acute. Lateral pinnae 1-5 pairs, alternate or subopposite, spreading, shortly stalked, deltoid-ovate or ovate, 3.5-5 × 2.5-3 cm, base cordate, margins entire, apex narrow and obtuse; terminal pinna deltoid-ovate, 3-8 × 3-5 cm, sometimes one or both lateral margins of lower portion bowed outward; leathery, abaxially with hairlike microscales, glabrous adaxially; venation pinnate, indistinct on both surfaces, veinlets anastomosing to form 3 or 4 rows of areoles on each side of midrib, each areole with 1 or 2 included veinlets. Sori throughout abaxial surface of pinnae; indusia margins weakly dentate.
Limestone crevices in forests; 1300-1500 m. Guangxi, S Guizhou (Anshun, Pingtang), S Yunnan (Malipo, Xichou).
Cyrtomium pachyphyllum is an apomictic triploid.
6.厚叶贯众(植物分类学报)国楣贯众(植物分类学报)图版56:1-2
Cyrtomium pachyphyllum (Rosenst.) C. Chr. Ind. Fil. Suppl. 2: 11. 1917; Shingin Acta Phytotax. Sinica Addit. I: 8. 1965. ——Polystichum pachyphyllum Rosenst. inFedde Repert. Sp. Nov. 13: 130. 1914. ——Cyrtomium fengianum Ching et Shing ex Shing 1. c. 8. 1965. ——C. nephrolepioides C. Chr. in Amer. Fern Journ. 2 (2): 47. 1930 p. p.; Ching in Bull. Chin. Bot. Soc. 2 (2): 93. 1936 p. p.
植株高12-40厘米。根茎直立,密被披针形棕色鳞片。叶簇生,叶柄长4-22厘米,基部直径1-3毫米,禾秆色,腹面有浅纵沟,通体有披针形及线形棕色鳞片,鳞片全缘或有睫毛状齿,略扭曲;叶片矩圆形或三角形,长7-18厘米,宽7-10厘米,先端急尖,基部不变狭,奇数一回羽状;侧生羽片1-5对,互生或近对生,平伸,柄短,三角卵形或卵形,长3.5-5厘米,宽2.5-3厘米,先端狭而钝,基部心形,边缘全缘;具羽状脉,小脉联结成2-3行网眼,两面不明显;顶生羽片三角卵形,长3-8厘米,宽3-5厘米,有时下部一侧或两侧凸出。叶为革质,腹面光滑,背面有毛状小鳞片。孢子囊群遍布羽片背面;囊群盖圆形,盾状,边缘有小齿。
产贵州南部(安顺、平塘)、云南南部(麻栗坡、西畴)。生林下石灰岩上,海拔1300-1500米。模式标本采自贵州安顺。