千山山梅花Philadelphus tsianschanensis Wang et Li
千山山梅花Philadelphus tsianschanensis Wang et Li
5. 千山山梅花（东北木本植物图志）
Philadelphus tsianschanensis Wang et Li in III. Fl. Ligneous Pl. N. -E. China 561. (P. chianshanensis 267) Pl. 95. fig. 175. 1955.
灌木，高约1.5米；二年生小枝灰褐色，无毛，表皮易脱落，当年生小枝褐色，疏被柔毛。叶对生，阔卵形或阔卵状椭圆形，长5-10厘米，宽3-6.5厘米，先端短渐尖，基部圆形，稀阔楔形，边缘具疏锯齿，两面均无毛或有时沿脉腋被长柔毛；叶脉离基出3-5条；叶柄长5-8毫米，被长柔毛。总状花序有花9-14朵；花序轴长5-6厘米，黄绿色；花梗长5-8毫米，被长柔毛；花萼黄绿色，外面疏被微柔毛；萼筒稍四棱形，萼裂片卵形，长约5毫米，宽约3.5毫米，先端急尖，干后脉纹明显，无白粉；花冠直径2-2.5厘米；花瓣白色，倒卵形或长圆状倒卵形，长约1.2厘米，宽约8毫米，无毛；雄蕊24-26，最长的长6-8毫米，花盘和花柱疏被长硬毛；花柱约与最长的雄蕊等长，从顶端分裂至近基部，柱头槌形，稀棒形，长约1.5毫米，较花药小。蒴果半球形，直径4-5毫米；种子长3-4毫米，具短尾。花期5月。
产辽宁。生于海拔400-600米山坡杂木林中。模式标本采自千山。
《Flora of China》 Vol. 8 (2001)
Philadelphus tsianschanensis Wang & Li
千山山梅花 qian shan shan mei hua
Shrubs ca. 1.5 m tall. Branchlets of previous year gray-brown, those of current year brown, pubescent. Petiole 5-8 mm; leaf blade broadly ovate or broadly ovate-elliptic, 5-10 × 3-6.5 cm, both surfaces glabrous or villous along veins, veins 3-5, basifugal, base rounded, margin sparsely serrate, apex shortly acuminate. Racemes 9-14-flowered; rachis yellowish green, 5-6 cm; pedicels 5-8 mm. Calyx yellowish green when dry; tube slightly 4-angled, sparsely villous; lobes ovate, ca. 5 × 3.5 mm, conspicuously veined, apex acute. Petals white, obovate or oblong-obovate, ca. 1.2 × 0.8 cm, glabrous. Stamens 24-26, longest ones 6-8 mm. Disc and style sparsely hirsute. Style divided nearly to base, subequaling longest stamens; stigmas mallet-shaped, ca. 1.5 mm, shorter than anthers. Capsule subglobose, 4-5 mm in diam. Seeds 3-4 mm, shortly tailed. Fl. May.
* Mixed forests; 400-600 m. Liaoning.
科名：虎耳草科 Saxifragaceae
属名：山梅花属 Philadelphus
5. 千山山梅花（东北木本植物图志）
Philadelphus tsianschanensis Wang et Li in III. Fl. Ligneous Pl. N. -E. China 561. (P. chianshanensis 267) Pl. 95. fig. 175. 1955.
灌木，高约1.5米；二年生小枝灰褐色，无毛，表皮易脱落，当年生小枝褐色，疏被柔毛。叶对生，阔卵形或阔卵状椭圆形，长5-10厘米，宽3-6.5厘米，先端短渐尖，基部圆形，稀阔楔形，边缘具疏锯齿，两面均无毛或有时沿脉腋被长柔毛；叶脉离基出3-5条；叶柄长5-8毫米，被长柔毛。总状花序有花9-14朵；花序轴长5-6厘米，黄绿色；花梗长5-8毫米，被长柔毛；花萼黄绿色，外面疏被微柔毛；萼筒稍四棱形，萼裂片卵形，长约5毫米，宽约3.5毫米，先端急尖，干后脉纹明显，无白粉；花冠直径2-2.5厘米；花瓣白色，倒卵形或长圆状倒卵形，长约1.2厘米，宽约8毫米，无毛；雄蕊24-26，最长的长6-8毫米，花盘和花柱疏被长硬毛；花柱约与最长的雄蕊等长，从顶端分裂至近基部，柱头槌形，稀棒形，长约1.5毫米，较花药小。蒴果半球形，直径4-5毫米；种子长3-4毫米，具短尾。花期5月。
产辽宁。生于海拔400-600米山坡杂木林中。模式标本采自千山。
《Flora of China》 Vol. 8 (2001)
Philadelphus tsianschanensis Wang & Li
千山山梅花 qian shan shan mei hua
Shrubs ca. 1.5 m tall. Branchlets of previous year gray-brown, those of current year brown, pubescent. Petiole 5-8 mm; leaf blade broadly ovate or broadly ovate-elliptic, 5-10 × 3-6.5 cm, both surfaces glabrous or villous along veins, veins 3-5, basifugal, base rounded, margin sparsely serrate, apex shortly acuminate. Racemes 9-14-flowered; rachis yellowish green, 5-6 cm; pedicels 5-8 mm. Calyx yellowish green when dry; tube slightly 4-angled, sparsely villous; lobes ovate, ca. 5 × 3.5 mm, conspicuously veined, apex acute. Petals white, obovate or oblong-obovate, ca. 1.2 × 0.8 cm, glabrous. Stamens 24-26, longest ones 6-8 mm. Disc and style sparsely hirsute. Style divided nearly to base, subequaling longest stamens; stigmas mallet-shaped, ca. 1.5 mm, shorter than anthers. Capsule subglobose, 4-5 mm in diam. Seeds 3-4 mm, shortly tailed. Fl. May.
* Mixed forests; 400-600 m. Liaoning.