学名(拉丁名) | Sphaeropteris lepifera |
中文名 | 笔筒树 |
命名人 | (Hook.) R. M. Tryon |
中文科名 | 桫椤科 |
拉丁属名 | Sphaeropteris |
类型 | species |
拉丁科名 | Cyatheaceae |
中文属名 | 白桫椤属 |
学名(拉丁名) | Sphaeropteris lepifera |
中文名 | 笔筒树 |
拉丁属名 | Sphaeropteris |
类型 | species |
拉丁科名 | Cyatheaceae |
学名(拉丁名) | Sphaeropteris lepifera |
中文名 | 笔筒树 |
中文科名 | 桫椤科 |
拉丁属名 | Sphaeropteris |
类型 | species |
拉丁科名 | Cyatheaceae |
中文属名 | 白桫椤属 |
学名(拉丁名) | Sphaeropteris lepifera |
发表年份 | 1970(年) |
拉丁属名 | Sphaeropteris |
类型 | species |
拉丁科名 | Cyatheaceae |
学名 | 状态 | 来源 | 命名人 | |
---|---|---|---|---|
Sphaeropteris lepifera | 异名 | The Plant List | (J. Sm. ex Hook.) R.M. Tryon | Cyathea lepifera |
Sphaeropteris lepifera | 接受名 | 中国植物志 | ||
Sphaeropteris lepifera | 接受名 | Flora of China |
Alsophila lepifera J. Smith ex Hooker, Sp. Fil. 1: 54. 1844; Cyathea lepifera (J. Smith ex Hooker) Copeland.
Trunk erect, often more than 6 m tall, up to 20 cm in diam. near base, with distinct leaf scars on surface; scales on trunks and at stipe base pale brown to nearly white, thin, up to 4 cm, 2-4 mm wide at base, fimbriate at margin, without distinct prickles but granular from deciduous scales. Fronds pale green to green, large, up to 2.5 cm; stipe purple at base, green above, up to 16 cm or more, swollen at base, up to 7 cm in diam., smooth or with warts and scattered scales, densely scaly, with abscission marks on trunks; lamina 2-pinnate to almost 3-pinnate, oblong-obovate, 2-4(-5?) m; larger pinnae up to 80 cm, basal ones smaller; larger pinnules 10-15 × 1.5-2.3 cm, caudate at apex; scales on abaxial side of axes dense, whitish, ovate to oblong-ovate, mixed with spreading hairs; ultimate segments thick, entire or nearly so, glaucous on abaxial surface. Sori subcostal on pinnules, without indusia; paraphyses pale, longer than sporangia, sometimes narrow and scalelike.
On slopes in valleys, mountain forests, forest margins, sunny grasslands, often on wet soils; below 1500 m. Guangxi, Hainan, Taiwan, Yunnan; introduced into botanical gardens in S China [Japan (Ryukyu Islands), New Guinea, Philippines].
2.笔筒树(台湾植物志)多鳞白秒椤(中国树木志)图版76:1-7
Sphaeropteris lepifera (Hook.) R. M. Tryon in Contr. Gray Herb. 200: 21. 1970; De Vol in Li et al., Fl. Taiwan. 1: 137. 1975; Q. Xia in Acta Phytotax. Sin. 27 (1): 5. 1989; Sylva Sinica, 1: 147, f. 1: 8-12. 1998. ——Alsophila lepifera J. Sm. exHook.: Sp. Fil. 1: 54. 1844: Alderw., Malayan. Ferns 39. 1908; Suppl. 65. 1917: C. Chr., Ind. Fil. suppl. 1: 90. 1913. ——A. lepifera var. congesta Christ in Bull. Herb. Boiss. 6: 137. 1898. ——A. pustulosa Christ in Bull. Herb. Boiss. Appendix 11, 1: 1019. 1901; C. Chr. Ind. Fil. 47. 1905; Nakai in Bot. Mag. Tokyo 41: 73. 1927: H. Ito, Fil. Jap. 111, Pl. 453. 1944. ——A. calocoma Christ in Philipp. 7. Sci. Bot. 4: 51. 1909. ——Cwthea lepifera (J. Sm. ex Hook.) Copel. in Philipp. J. Sci. Bot. 4:40. 1909; et 1. c. 56: 98, pl. 3, fig. 5-7. 1935, et Fern Fl. Philipp. 2: 228. 1960: Holttum in Van Steenis, Fl. Mal. ser. 2 (1): 137. 1963, et in Kew Bull. 19: 484. 1965; Edie, Ferns Hongkong 87. 1978; W. C. Shieh in T. C. Huang, Fl. Taiwan ed. 2, 1: 145, Pl. 55. 1994. ——C. pustulosa (Christ) Copel. in Philipp. J. Sci. Bot. 4: 51. 1909. ——C. calocoma (Christ) Copel. in Philipp. J. Sci. Bot. 4: 53. 1909. ——C. umbrosa Copel. in Philipp. J. So. Bot. 56: 98, Pl. 3, fig. 1-4. 1935. ——C. contaminans auct. non Copel. 1909: Fl. Kwangchou 49. 1956.
茎干高6米多,胸径约15厘米。叶柄长16厘米或更长,通常上面绿色,下面淡紫色,无刺,密被鳞片,有疣突;鳞片苍白色,质薄,长达4厘米,基部宽2-4毫米,先端狭渐尖,边缘全部具刚毛,狭窄的先端常常全为棕色;叶轴和羽轴禾秆色,密被显著的疣突,突头亮黑色,近1毫米高;最下部的羽片略缩短,最长的羽片达80厘米;最大的小羽片长10-15厘米,宽1.5-2.2厘米,先端尾渐尖,无柄,基部少数裂片分离,其余的几乎裂至小羽轴;主脉间隔约3-3.5毫米,侧脉10-12对,2-3叉,裂片纸质,全缘或近于全缘,下面灰白色;羽轴下面多少被鳞片,基部的鳞片狭长,灰白色,边缘具棕色刚毛,上部的鳞片较小,具灰白色边毛,均平坦贴伏,至少在羽轴顶部具有灰白色硬毛;小羽轴及主脉下面除具有灰白色平坦的卵形至长卵形的边缘具短毛的小鳞片之外,还被有很多灰白色开展的粗长毛,小羽轴上面无毛。孢子囊群近主脉着生,无囊群盖;隔丝长过于孢子囊。
产台湾(台北、宜兰、桃园、南投、屏东、台东、花莲)。成片生林缘、路边或山坡向阳地段。海拔可达1500米。菲律宾北部、日本琉球群岛也有分布。模式标本采自菲律宾吕宋。在厦门、广州、深圳、香港有引种栽培。树干修长,叶痕大而密,异常美观。