东京樱花 Cerasus yedoensis
中文名（Chinese Name）：东京樱花
学名（Scientific Name）：Cerasus yedoensis (Matsum.) T.T. Yu & C.L. Li
英文名（English Common Name）：
别名（Chinese Common Name）：日本樱花、樱花
异名（Synonym）：Prunus paracerasus Koehne Prunus yedoensis var. nudiflora Koehne Prunus yedoensis Matsum.
科属（Family & Genus）：蔷薇科（Rosaceae）樱属
形态特征（Description）：乔木，高4-16米，树皮灰色。小枝淡紫褐色，无毛，嫩枝绿色，被疏柔毛。冬芽卵圆形，无毛。叶片椭圆卵形或倒卵形，长5-12厘米，宽2.5-7厘米，先端渐尖或骤尾尖，基部圆形，稀楔形，边有尖锐重锯齿，齿端渐尖，有小腺体，上面深绿色，无毛，下面淡绿色，沿脉被稀疏柔毛，有侧脉7-10对；叶柄长1.3-1.5厘米，密被柔毛，顶端有1-2个腺体或有时无腺体；托叶披针形，有羽裂腺齿，被柔毛，早落。花序伞形总状，总梗极短，有花3-4朵，先叶开放，花直径3-3.5厘米；总苞片褐色，椭圆卵形，长6-7毫米，宽4-5毫米，两面被疏柔毛；苞片褐色，匙状长圆形，长约5毫米，宽2-3毫米，边有腺体；花梗长2-2.5厘米，被短柔毛；萼筒管状，长7-8毫米，宽约3毫米，被疏柔毛；萼片三角状长卵形，长约5毫米，先端渐尖，边有腺齿；花瓣白色或粉红色，椭圆卵形，先端下凹，全缘二裂；雄蕊约32枚，短于花瓣；花柱基部有疏柔毛。核果近球形，直径0.7-1厘米，黑色，核表面略具棱纹。花期4月，果期5月。2n=16。
分布（Distribution）：原产日本，我国广为栽培。
用途（Use）：园艺品种很多，供观赏用。
引自中国植物志英文版：FOC Vol. 9 Page 414
Cerasus yedoensis (Matsumura) A. V. Vassiljeva, Trans. Sukhumi Bot. Gard., Fasc. 10: 124. 1957.
东京樱花 dong jing ying hua| Rosaceae | Cerasus
Prunus yedoensis Matsumura, Bot. Mag. (Tokyo) 15: 100. 1901; P. paracerasus Koehne; P. yedoensis var. nudiflora Koehne.
Trees 4–16 m tall. Bark gray. Branchlets pale purplish brown, glabrous; young branchlets green, pilose. Winter buds ovoid, glabrous. Stipules lanceolate, pubescent. Petiole 1-3–1.5 cm, densely pubescent, with or withoug 1 or 2 glands at apex; leaf blade elliptic to obovate, 5–12 × 2.5–7 cm, abaxially pale green and pilose on veins, adaxially dark green, glabrous, base rounded to rarely cuneate, margin sharply glandular serrate, apex acuminate to cuspidate; secondary veins 7–10 on each side of midvein. Inflorescences umbellate-racemose, 3- or 4-flowered; involucral bracts brown, elliptic-ovate, 6–7 × 4–5 mm, pilose on both surfaces; peduncle very short; bracts brown, spatulate-oblong, ca. 5 × 2–3 mm, margin glandular. Flowers opening before leaves, 3–3.5 cm in diam. Pedicel 2–2.5 cm, pubescent. Hypanthium tubular, 7–8 × ca. 3 mm, outside pilose, margin glandular serrate, apex emarginate or 2-lobed. Stamens ca. 32, shorter than petals. Style base pilose. Drupe black, subglobose, 0.7–1 cm in diam.; endocarp slightly sculptured. Fl. Apr, fr. May. 2n = 16.
Cultivated mainly in Beijing, Jiangsu (Nanjing Shi), Jiangxi (Nanchang Shi), and Shandong (Qingdao Shi) [native to Japan and Korea (Cheju Island)].
（责任编辑：徐晔春）
学名（Scientific Name）：Cerasus yedoensis (Matsum.) T.T. Yu & C.L. Li
英文名（English Common Name）：
别名（Chinese Common Name）：日本樱花、樱花
异名（Synonym）：Prunus paracerasus Koehne Prunus yedoensis var. nudiflora Koehne Prunus yedoensis Matsum.
科属（Family & Genus）：蔷薇科（Rosaceae）樱属
形态特征（Description）：乔木，高4-16米，树皮灰色。小枝淡紫褐色，无毛，嫩枝绿色，被疏柔毛。冬芽卵圆形，无毛。叶片椭圆卵形或倒卵形，长5-12厘米，宽2.5-7厘米，先端渐尖或骤尾尖，基部圆形，稀楔形，边有尖锐重锯齿，齿端渐尖，有小腺体，上面深绿色，无毛，下面淡绿色，沿脉被稀疏柔毛，有侧脉7-10对；叶柄长1.3-1.5厘米，密被柔毛，顶端有1-2个腺体或有时无腺体；托叶披针形，有羽裂腺齿，被柔毛，早落。花序伞形总状，总梗极短，有花3-4朵，先叶开放，花直径3-3.5厘米；总苞片褐色，椭圆卵形，长6-7毫米，宽4-5毫米，两面被疏柔毛；苞片褐色，匙状长圆形，长约5毫米，宽2-3毫米，边有腺体；花梗长2-2.5厘米，被短柔毛；萼筒管状，长7-8毫米，宽约3毫米，被疏柔毛；萼片三角状长卵形，长约5毫米，先端渐尖，边有腺齿；花瓣白色或粉红色，椭圆卵形，先端下凹，全缘二裂；雄蕊约32枚，短于花瓣；花柱基部有疏柔毛。核果近球形，直径0.7-1厘米，黑色，核表面略具棱纹。花期4月，果期5月。2n=16。
分布（Distribution）：原产日本，我国广为栽培。
用途（Use）：园艺品种很多，供观赏用。
引自中国植物志英文版：FOC Vol. 9 Page 414
Cerasus yedoensis (Matsumura) A. V. Vassiljeva, Trans. Sukhumi Bot. Gard., Fasc. 10: 124. 1957.
东京樱花 dong jing ying hua| Rosaceae | Cerasus
Prunus yedoensis Matsumura, Bot. Mag. (Tokyo) 15: 100. 1901; P. paracerasus Koehne; P. yedoensis var. nudiflora Koehne.
Trees 4–16 m tall. Bark gray. Branchlets pale purplish brown, glabrous; young branchlets green, pilose. Winter buds ovoid, glabrous. Stipules lanceolate, pubescent. Petiole 1-3–1.5 cm, densely pubescent, with or withoug 1 or 2 glands at apex; leaf blade elliptic to obovate, 5–12 × 2.5–7 cm, abaxially pale green and pilose on veins, adaxially dark green, glabrous, base rounded to rarely cuneate, margin sharply glandular serrate, apex acuminate to cuspidate; secondary veins 7–10 on each side of midvein. Inflorescences umbellate-racemose, 3- or 4-flowered; involucral bracts brown, elliptic-ovate, 6–7 × 4–5 mm, pilose on both surfaces; peduncle very short; bracts brown, spatulate-oblong, ca. 5 × 2–3 mm, margin glandular. Flowers opening before leaves, 3–3.5 cm in diam. Pedicel 2–2.5 cm, pubescent. Hypanthium tubular, 7–8 × ca. 3 mm, outside pilose, margin glandular serrate, apex emarginate or 2-lobed. Stamens ca. 32, shorter than petals. Style base pilose. Drupe black, subglobose, 0.7–1 cm in diam.; endocarp slightly sculptured. Fl. Apr, fr. May. 2n = 16.
Cultivated mainly in Beijing, Jiangsu (Nanjing Shi), Jiangxi (Nanchang Shi), and Shandong (Qingdao Shi) [native to Japan and Korea (Cheju Island)].
（责任编辑：徐晔春）
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