学名(拉丁名) | Huperzia sutchueniana |
中文名 | 四川石杉 |
命名人 | (Hert.) Ching |
中文科名 | 石杉科 |
拉丁属名 | Huperzia |
类型 | species |
拉丁科名 | Huperziaceae |
中文属名 | 石杉属 |
学名(拉丁名) | Huperzia sutchueniana |
命名人 | (Herter) Ching (accepted name) |
拉丁属名 | Huperzia |
类型 | species |
拉丁科名 | Lycopodiaceae |
学名(拉丁名) | Huperzia sutchueniana |
命名人 | (Herter) Ching |
发表年份 | 1981(年) |
拉丁属名 | Huperzia |
类型 | species |
拉丁科名 | Lycopodiaceae |
学名(拉丁名) | Huperzia sutchueniana |
中文名 | 四川石杉 |
类型 | species |
拉丁科名 | Lycopodiaceae |
学名(拉丁名) | Huperzia sutchueniana |
中文名 | 四川石杉 |
中文科名 | 石杉科 |
拉丁属名 | Huperzia |
类型 | species |
拉丁科名 | Huperziaceae |
中文属名 | 石杉属 |
学名(拉丁名) | Huperzia sutchueniana |
发表年份 | 1981(年) |
拉丁属名 | Huperzia |
类型 | species |
拉丁科名 | Lycopodiaceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Lycopodium serratum var. alpestre | Synonym | The Plant List | Christ |
Lycopodium sutchuenianum | Synonym | The Plant List | Herter |
Urostachys sutchuenianus | Synonym | The Plant List | (Herter) Herter |
Lycopodium sutchuenianum Herter, Bot. Jahrb. Syst. 43(1, Beibl. 98): 43. 1909; Huperzia minimadenta J. F. Cheng; L. serratum Thunberg var. alpestre Christ; Urostachys sutchuenianus (Herter) Herter.
Plants terrestrial. Stem erect or ascending, 8-15(-18) cm, 1.2-3 mm in diam. at middle, together with leaves 1.5-1.7 cm wide, 2 or 3 times dichotomously branched, upper portion often with bulbils. Leaves dense, attached at right angles with stem, angled upward, or slightly reflexed, not lustrous, lanceolate, slightly contracted toward base, straight or falcate, 5-10 × 0.8-1 mm, leathery, both surfaces glabrous, midrib indistinct, base cuneate or subtruncate, decurrent, sessile, margin straight and not crispate, sparsely toothed, apex acuminate; teeth small, acute. Sporophylls homomorphic with trophophylls; sporangia visible on both sides of sporophylls, yellowish, reniform.
Wet places in forests, shrubs, meadows, on rocks; 800-2000 m. Anhui, Chongqing, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Zhejiang.
The leaf margins of Huperzia sutchueniana are toothed, and its leaf apex is acuminate.
15. 四川石杉 (云南植物研究) 图版7: 1-5
Huperzia sutchueniana (Herter) Ching in Acta Bot. Yunnan. 3 (3): 297. 1981: Fl. Anhui, 1: 18, f. 2. 1985; H. S. Kung, Fl. Sichuan. 6: 31, Pl. 5: 1-3. 1988; B. Ollg. in Opera Bot. 92: 164. 1987, et Index Lycop. 21. 1989; S. F. Wu in ShanghaiTeach. Coil.Tech. 10 (4): 89. 1990; P. S. Wang, Pterid. Fanjing Mt. Nat. Res. 18. 1992; Fl. Jiangxi 1: 25, f. 10. 1993; Fl. Zhejiang 1: 2, f. 1-2. 1993; X. Y. Wang inBull. Bot. Res. (Harbin) 14 (4): 356. 1994; in Keys Vasc. Pl. Wuling Mts. 4. 1995; L. B. Zhang et H. S. Kung in Acta Phytotax. Sinica 38 (1): 18. 2000. ——Lycopodiumsutchuenianum Herter in Engl. Bot. Jahrb. 43: Beibl. 98: 43. 1909: B. Ollg., IndexLycop. 73.1989. ——Urostachys sutchuenianus Herter in Nessel, Baerlappg. 53. 1939. ——L. serratum Thunb. ex Murray var. alpestre Christ in Bull. Geogr. Bot. Mans1906: 41.1906. ——H. minimadenta J. F. Cheng in Bull. Bot. Res. (Harbin) 7 (3): 113. 1987; Fl. Jiangxi 1: 25, f. 9. 1993; B. Ollg., Index Lycop. 16. 1989.
多年生土生植物。茎直立或斜生,高8-15 (18)厘米,中部直径1.2-3.0毫米,枝连叶宽1.5-1.7厘米,2-3回二叉分枝,枝上部常有芽胞。叶螺旋状排列,密生,平伸,上弯或略反折,披针形,向基部不明显变狭,通直或镰状弯曲,长5-10毫米,宽0.8-1.0毫米,基部楔形或近截形,下延,无柄,先端渐尖,边缘平直不皱曲,疏生小尖齿,两面光滑,无光泽,中脉明显,革质。孢子叶与不育叶同形;孢子囊生于孢子叶的叶腋,两端露出,肾形,黄色。
我国特有种,产安徽、浙江、江西、湖北、湖南、四川、重庆、贵州等省市。生于海拔800-2000米林下或灌丛下湿地、草地或岩石上。模式标本采自重庆城口。
本种叶片边缘具锯齿,先端渐尖。