兴山榆Ulmus bergmanniana Schneid.
兴山榆Ulmus bergmanniana Schneid.
9. 兴山榆（中国树木分类学）
Ulmus bergmanniana Schneid. Illustr. Handb. Laubholzk. 2: 902. f. 565 a-b. 566 a-b. 1912, et in Sarg. Pl. Wilson. 3: 240. 1916; Rehd. in Journ. Arn. Arb. 4: 164. 1923; 陈嵘, 中国树木分类学 211. 1937; 中国高等植物图鉴 1: 464. 图927. 1972; 秦岭植物志 1(2): 86. 1974; 湖北植物志 1: 127. 图153. 1976;傅立国, 东北林学院学报 1980 (3): 15. 1980; 河南植物志 1: 261. 图322. 1981; 云南种子植物名录, 上册: 696. 1984; 四川植物志 3: 149. 图44(6-7). 1985; 安徽植物志 2: 82. 图340. 1986; 云南树木图志, 中册: 637. 图346(6-8). 1990; 山西植物志 1: 306. 图版187. 1992; 浙江植物志 2: 71. 图2-92. 1992.
《Flora of China》 Vol. 5 (2003)
Ulmus bergmanniana C. K. Schneider
兴山榆 xing shan yu
Trees, to 26 m tall, d.b.h. to 90 cm, deciduous. Bark grayish white, dark gray, or grayish brown, longitudinally fissured. Branchlets purplish brown to tan, glabrous or pubescent, unwinged. Winter buds brown, ovoid-orbicular to oblong-ovoid; bud scales glabrous or finely and inconspicuously puberulent, margin entire or inconspicuously short-ciliate. Petiole 1-13 mm, glabrous or pubescent; leaf blade elliptic, long orbicular-elliptic, narrowly elliptic, obovate-oblong, or ovate, 6-18 × 3-8.5 cm, abaxially pubescent in vein axils or over whole blade, adaxially glabrous and often scabrous, base ± oblique, margin doubly serrate, apex caudate, acuminate-caudate, or cuspidate-caudate; secondary veins (15-)17-26 on each side of midvein. Inflorescences fascicled cymes on second year branchlets. Flowers from floral buds. Perianth campanulate, 4-6-lobed, margin ciliate. Samaras tan to light brown, broadly obovate, obovate-orbicular, orbicular, or long orbicular, 1.2-1.8 × 1-1.6 cm, glabrous except for pubescence on stigmatic surface in notch; stalk shorter than perianth, ± pubescent; perianth persistent. Seed at center or slightly toward base of samara. Fl. and fr. Feb-Apr.
* Forests; 1500-2900 m. Anhui, Gansu, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Shanxi, Sichuan, SE Xizang, Yunnan, Zhejiang.
别名：山榆;白氏榆;白榆;红榆;
科名：榆科 Ulmaceae
属名：榆属 Ulmus
9. 兴山榆（中国树木分类学）
Ulmus bergmanniana Schneid. Illustr. Handb. Laubholzk. 2: 902. f. 565 a-b. 566 a-b. 1912, et in Sarg. Pl. Wilson. 3: 240. 1916; Rehd. in Journ. Arn. Arb. 4: 164. 1923; 陈嵘, 中国树木分类学 211. 1937; 中国高等植物图鉴 1: 464. 图927. 1972; 秦岭植物志 1(2): 86. 1974; 湖北植物志 1: 127. 图153. 1976;傅立国, 东北林学院学报 1980 (3): 15. 1980; 河南植物志 1: 261. 图322. 1981; 云南种子植物名录, 上册: 696. 1984; 四川植物志 3: 149. 图44(6-7). 1985; 安徽植物志 2: 82. 图340. 1986; 云南树木图志, 中册: 637. 图346(6-8). 1990; 山西植物志 1: 306. 图版187. 1992; 浙江植物志 2: 71. 图2-92. 1992.
《Flora of China》 Vol. 5 (2003)
Ulmus bergmanniana C. K. Schneider
兴山榆 xing shan yu
Trees, to 26 m tall, d.b.h. to 90 cm, deciduous. Bark grayish white, dark gray, or grayish brown, longitudinally fissured. Branchlets purplish brown to tan, glabrous or pubescent, unwinged. Winter buds brown, ovoid-orbicular to oblong-ovoid; bud scales glabrous or finely and inconspicuously puberulent, margin entire or inconspicuously short-ciliate. Petiole 1-13 mm, glabrous or pubescent; leaf blade elliptic, long orbicular-elliptic, narrowly elliptic, obovate-oblong, or ovate, 6-18 × 3-8.5 cm, abaxially pubescent in vein axils or over whole blade, adaxially glabrous and often scabrous, base ± oblique, margin doubly serrate, apex caudate, acuminate-caudate, or cuspidate-caudate; secondary veins (15-)17-26 on each side of midvein. Inflorescences fascicled cymes on second year branchlets. Flowers from floral buds. Perianth campanulate, 4-6-lobed, margin ciliate. Samaras tan to light brown, broadly obovate, obovate-orbicular, orbicular, or long orbicular, 1.2-1.8 × 1-1.6 cm, glabrous except for pubescence on stigmatic surface in notch; stalk shorter than perianth, ± pubescent; perianth persistent. Seed at center or slightly toward base of samara. Fl. and fr. Feb-Apr.
* Forests; 1500-2900 m. Anhui, Gansu, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Shanxi, Sichuan, SE Xizang, Yunnan, Zhejiang.