栏目

云南铁杉Tsuga dumosa (D. Don) Eichler

云南铁杉Tsuga dumosa (D. Don) Eichler

科名:松科 Pinaceae

属名:铁杉属 Tsuga

《中国植物志》第7卷111页
  2. 云南铁杉(中国树木分类学) 云南栂、硬栂、高山栂(中国裸子植物志),硬鳞铁杉、高山铁杉、岩铁杉(经济植物手册),卡(西藏),水粟子(云南会泽),狗尾松(云 南维西),水子树(云南丽江),落花松、莎松(云南景东) 图版28: 1-7
  Tsuga dumosa (D. Don) Eichler in Engler u. Prantl, Pflanzenfam. (1): 80. 1887; Beissn. u. Fitach. Handb. Nadelh. ed. 3. 75. 1930; Bailey, Cult. Evergreens 125. 1933; Rehd. Man. Cult. Trees and Shrubs ed. 2. 1940, et Bibliogr. 18. 1949; Dallimore and Jackson, Handb. Conif. ed. 3. 642. f. 118. 1948, rev. Harrison, Handb. Conif. and Ginkgo. ed. 4. 641. f. 129. 1966; Hara, Fl. East. Himalaya 41. 1966 ——Pinus dumosa D. Don, Prod. Fl. Nepal. 55. 1825. ——Pinus brunoniana Wall. Pl. Asiat. Rar. 3: 24. t. 247. 1832. ——Tsuga brunoniana (Wall.) Carr. Traite Conif. 188. 1855; Hook. f. Fl. Brit. Ind. 5: 654. 1888; Beissn. Handb. Nadelh. ed. 2. 83. 1909; Clinton-Baker, Illustr. Conif. 1: 63. cum tab. 1909; Flous in Trav. Lab. Forest. Toulouse Ⅱ, 4(3): 48. f. 1-12. 1936. ——Abies yunnanensis Franch. in Journ. de Bot. 13: 258. 1899. ——Tsuga yunnanensis (Franch.) Pritz. in Bot. Jahrb. 29: 217. 1901; Rehd. et wils. in Sarg. Pl. Wilson. 2: 36. 1914; Chun, Chinese Econ. Trees 22. 1921; Dallimore and Jackson, l. c. 538. f. 119. 1923, ed. 3. 651. f. 120, rev. Harrison, l. c. 648. f. 131; Downie in Notes Bot. Gard. Edinb. 14: 16. f. 194 (1). 1923; wils. in Journ. Arn. Arb. 7: 49. 1926; Rehd. l. c. 39. 1927, ed. 2. 20, et Bibliogr. 17; Hand.-Mzt. Symb. Sin. 7: 12. 1929;郑万钧, 科学社生物所论文集 9: 20. 1933, et in Trav. Lab. Forest. Toulouse Ⅴ. 1(2): 113. 1939; Orr in Notes Bot. Gard. Edinb. 18: 134. 1933; Clinton-Baker and Jackson, Illustr. New Conif. 76. t. 93. 1935; Flous, l. c. 127. f. 1-13; 陈嵘, 中国树木分类学 43. 1937; 郝景盛, 中国裸子植物志 44. 1945, 再版37. 1951, 均不包括湖北的植物; 方文培, 峨眉植物图志 2(2): 图版178. 1946; Florin in Acta Hort. Berg. 14: 367. 1948; 郑万钧等, 中国树木学 1: 139. 图63 (12-19). 1961; 中国科学院植物研究所, 中国高等植物图鉴 1: 295. 图589. 1972. syn. nov. ——Tsuga wardii Downie, l. c. 17. f. 194 (4); 郝景盛, 同上46, 再版39. ——Tsuga calcarea Downie, l. c. 17. f. 194 (3); 郝景盛, 同上46, 再版39. ——Tsuga dura Downie, l. c. 16. 194 (2); 郝景盛, 同上 44, 再版37. ——Tsuga intermedia Hand.-Mzt. in Sitzgsanz. Akad. Wiss. Wien. 82. 1924, et Symb. Sin. 7: 10. 1929. ——Tsuga leptophylla Hand.-Mzt. l. c. 83. Abies dumosa var. chinensis Franch., l. c. quoad specim. e Delavay. ——Tsuga dumosa Loud. var. chinensis (Franch.) Pritz. l. c. quoad plant. Yunnan.
  乔木,高达40米,胸径达2.7米;树皮厚,粗糙,褐灰色或暗灰褐色,纵裂成片状脱落;大枝开展或微下垂,枝稍下垂,树冠浓密、尖塔形;一年生枝黄褐色、淡红褐色或淡褐色,凹槽中有毛或密被短毛,二、三年生枝淡褐色、淡灰褐色或深灰色。叶条形,稀上部渐窄成披针状条形,列成两列,长1-2.4厘米,稀达3.5厘米,宽1.5-3毫米,先端钝尖或钝,无凹缺,稀微凹,边缘有细锯齿或全缘,细齿通常位于叶缘中上部,稀达中下部,上面光绿色,下面有二条白色气孔带,横切面上、下面中部及两端有一层皮下层细胞。球果卵圆形或长卵圆形,长1.5-3厘米,径1-2厘米,熟时淡褐色;中部种鳞矩圆形、倒卵状矩圆形或长卵形,长1-1.4厘米,宽0.7-1.2厘米,上部边缘薄、微反曲,基部两侧耳状;苞鳞斜方形或近楔形,上部边缘有细缺齿,先端二裂; 种子卵圆形或长卵圆形,下表面有油点,连翅长8-12毫米。花期4-5月,球果10-11月成熟。
  产于西藏南部、云南(西北部、东北部及西部景东)、四川西南部、大渡河流域、岷江流域上游(汶川、理县)、青衣江流域及马边河流域,常在海拔2300-3500米高山地带组成单纯林,或与其他针叶树组成混交林。印度、尼泊尔、锡金、不丹、缅甸也有分布。模式标本采自尼泊尔。▽本种分布广,森林面积大,木材蓄积丰富。对环境条件的要求与其他铁杉相似,在雨量丰沛、气候温凉、常年气温较高、云雾多、相对湿度大、酸性土壤及排水良好的高山地带,均生长旺盛。
  木材纹理直,结构细致、均匀,材质坚实,耐水湿。可供建筑、飞机、家具,器具、舟车、矿柱及木纤维工业原料等用材。树皮可提烤胶,树干可割取树脂提炼松香和松节油。树根、树干及枝叶均可提取芳香油。
  关于本种与 T. yunnanensis (Franch.) Pritz. 的分类问题。我们认为这两种铁杉的主要形态性状,如小枝颜色的深浅,毛在小枝上着生状况及疏密程度,叶的形状、长短、叶缘细齿的有无和着生状况以及横切面上的解剖特征,球果、种鳞、苞鳞、种子等几乎完全一致,过去所认为的区别特征均系变异性状,故予合并。

《Flora of China》 Vol. 4 (1999)
Tsuga dumosa  (D. Don) Eichler
云南铁杉   yun nan tie shan
Pinus dumosa D. Don in Lambert, Descr. Pinus 2: 55. 1824; Abies yunnanensis Franchet; Pinus brunoniana Wallich; Tsuga brunoniana (Wallich) Carriere; T. calcarea Downie; T. chinensis (Franchet) E. Pritzel subsp. wardii (Downie) E. Murray; T. dumosa var. yunnanensis (Franchet) Silba; T. dura Downie; T. intermedia Handel-Mazzetti; T. leptophylla Handel-Mazzetti; T. wardii Downie; T. yunnanensis (Franchet) E. Pritzel; T. yunnanensis subsp. dura (Downie) E. Murray.
Trees to 40 m tall; trunk to 2.7 m d.b.h.; bark brownish gray or gray-brown, thick, longitudinally fissured; crown pyramidal; branchlets initially yellowish or reddish brown, turning light brown or dark gray in 2nd or 3rd year, ridged and grooved, brown lanate. Leaves pectinately arranged, linear, rarely narrowly linear-lanceolate, 1-2.4(-3.5) cm × 1.5-3 mm, grooved adaxially, abaxial stomatal bands white, distal margin entire or serrulate, apex obtuse, entire or occasionally emarginate. Seed cones light green, maturing light brown, ovoid or narrowly so, 1.5-3 × 1-2 cm. Seed scales obovate-orbicular, 1-1.4 × 0.7-1.2 cm, base only slightly convex, distal part slightly recurved, very thin, smooth. Bracts cuneate-rhombic, margin denticulate, apex 2-lobed. Seeds obliquely ovoid or narrowly ovoid, 0.8-1.2 cm including wing. Pollination Apr-May, seed maturity Oct-Nov.
Mountain slopes, river basins; 2300-3500 m. Sichuan, S Xizang, N and W Yunnan [Bhutan, N India, N Myanmar, Nepal, Sikkim, N Vietnam]
The timber is used for construction and furniture.

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