云南山梅花Philadelphus delavayi
中文名（Chinese Name）：云南山梅花
学名（Scientific Name）：Philadelphus delavayi L. Henry
英文名（English Common Name）：
别名（Chinese Common Name）：西南山梅花
异名（Synonym）：
科属（Family & Genus）：虎耳草科（Saxifragaceae）山梅花属
形态特征（Description）：灌木，高2-4米；二年生小枝灰棕色或灰色，当年生小枝紫褐色，无毛，常具白粉。叶长圆状披针形或卵状披针形，长4.5-16厘米，宽3-8厘米，先端渐尖，稀急尖，基部圆形或楔形，边缘具细锯齿或近全缘，上面被糙伏毛，下面密被灰色稍弯长柔毛；叶脉基出或稍离基出3-5条；叶柄长3-5毫米。总状花序有花5-9（-21）朵，最下1对分枝顶端具3-5花，呈聚伞状或总状排列；花序轴长5-9厘米，花梗长5-10（-13）厘米，无毛；花萼紫红色或红褐色，外面无毛，常具白粉；裂片卵形，长5-6毫米，宽3-4毫米，先端急尖；花冠盘状，直径2.5-3.5厘米；花瓣白色，近圆形或阔倒卵形，长1.2-1.5厘米，宽10-12毫米，先端圆形，有时浅2裂，边缘稍波状，无毛；雄蕊30-35，最长的长达9毫米；花药长圆形，长约1.5毫米；花盘和花柱无毛；花柱长7-8毫米，上部稍分裂或不分裂，柱头棒形，长1.8-2毫米，较花药长。蒴果倒卵形，长8-10毫米，直径约7毫米；种子长约4毫米，具稍长尾。花期6-8月，果期9-11月。
分布（Distribution）：产四川、云南和西藏，生于海拔700-3800米林中或林缘。缅甸亦产。
用途（Use）：
引自中国植物志英文版：FOC Vol. 8 Page 400
Philadelphus delavayi L. Henry, Rev. Hort. 1903: 12. 1903.
云南山梅花 yun nan shan mei hua| Saxifragaceae | Philadelphus
Shrubs 2-4 m tall. Branchlets of previous year gray-brown or gray, those of current year purple-brown, glaucous, glabrous or villous. Petiole 3-5 mm; leaf blade oblong- or ovate-lanceolate, 4.5-6 × 3-8 cm, abaxially densely gray villous, adaxially strigose, veins 3-5, slightly basifugal, base rounded or cuneate, margin serrulate or subentire, apex acuminate, rarely acute. Racemes 5-9(-21)-flowered, lowest pairs 3-5-flowered; rachis 5-9 cm, glabrous; pedicels 5-10(-13) mm, glabrous. Calyx purple, black-purple, or brown; tube glaucous, glabrous; lobes ovate, 5-6 × 3-4 mm, apex acute. Corolla discoid or cruciform; petals white, oblong, ovate-oblong, or broadly obovate, 1.2-1.5 × 1-1.2 cm, margin subcrisped, apex rounded, sometimes 2-lobed. Stamens 30-35, longest ones ca. 9 mm; anthers oblong, ca. 1.5 mm. Disc and style glabrous. Style slightly divided or entire, 7-8 mm; stigmas clavate, 1.8-2 mm, longer than anthers. Capsule obovoid, 8-10 × 7-7.5 mm. Seeds ca. 4 mm, shortly tailed. Fl. Jun-Aug, fr. Sep-Nov.
Mixed forests, thickets, mountain slopes; 700-3800 m. Sichuan, Xizang, Yunnan [Myanmar].
Three varieties occur in China. In FRPS, a fourth variety was recognized: var. cruciflorus S. Y. Hu. However, that name was actually published as a form by Hu (J. Arnold Arbor. 36: 329. 1955) and has never been validly published at varietal rank. It is treated in the present account as a synonym of var. melanocalyx.
（责任编辑：徐晔春）
学名（Scientific Name）：Philadelphus delavayi L. Henry
英文名（English Common Name）：
别名（Chinese Common Name）：西南山梅花
异名（Synonym）：
科属（Family & Genus）：虎耳草科（Saxifragaceae）山梅花属
形态特征（Description）：灌木，高2-4米；二年生小枝灰棕色或灰色，当年生小枝紫褐色，无毛，常具白粉。叶长圆状披针形或卵状披针形，长4.5-16厘米，宽3-8厘米，先端渐尖，稀急尖，基部圆形或楔形，边缘具细锯齿或近全缘，上面被糙伏毛，下面密被灰色稍弯长柔毛；叶脉基出或稍离基出3-5条；叶柄长3-5毫米。总状花序有花5-9（-21）朵，最下1对分枝顶端具3-5花，呈聚伞状或总状排列；花序轴长5-9厘米，花梗长5-10（-13）厘米，无毛；花萼紫红色或红褐色，外面无毛，常具白粉；裂片卵形，长5-6毫米，宽3-4毫米，先端急尖；花冠盘状，直径2.5-3.5厘米；花瓣白色，近圆形或阔倒卵形，长1.2-1.5厘米，宽10-12毫米，先端圆形，有时浅2裂，边缘稍波状，无毛；雄蕊30-35，最长的长达9毫米；花药长圆形，长约1.5毫米；花盘和花柱无毛；花柱长7-8毫米，上部稍分裂或不分裂，柱头棒形，长1.8-2毫米，较花药长。蒴果倒卵形，长8-10毫米，直径约7毫米；种子长约4毫米，具稍长尾。花期6-8月，果期9-11月。
分布（Distribution）：产四川、云南和西藏，生于海拔700-3800米林中或林缘。缅甸亦产。
用途（Use）：
引自中国植物志英文版：FOC Vol. 8 Page 400
Philadelphus delavayi L. Henry, Rev. Hort. 1903: 12. 1903.
云南山梅花 yun nan shan mei hua| Saxifragaceae | Philadelphus
Shrubs 2-4 m tall. Branchlets of previous year gray-brown or gray, those of current year purple-brown, glaucous, glabrous or villous. Petiole 3-5 mm; leaf blade oblong- or ovate-lanceolate, 4.5-6 × 3-8 cm, abaxially densely gray villous, adaxially strigose, veins 3-5, slightly basifugal, base rounded or cuneate, margin serrulate or subentire, apex acuminate, rarely acute. Racemes 5-9(-21)-flowered, lowest pairs 3-5-flowered; rachis 5-9 cm, glabrous; pedicels 5-10(-13) mm, glabrous. Calyx purple, black-purple, or brown; tube glaucous, glabrous; lobes ovate, 5-6 × 3-4 mm, apex acute. Corolla discoid or cruciform; petals white, oblong, ovate-oblong, or broadly obovate, 1.2-1.5 × 1-1.2 cm, margin subcrisped, apex rounded, sometimes 2-lobed. Stamens 30-35, longest ones ca. 9 mm; anthers oblong, ca. 1.5 mm. Disc and style glabrous. Style slightly divided or entire, 7-8 mm; stigmas clavate, 1.8-2 mm, longer than anthers. Capsule obovoid, 8-10 × 7-7.5 mm. Seeds ca. 4 mm, shortly tailed. Fl. Jun-Aug, fr. Sep-Nov.
Mixed forests, thickets, mountain slopes; 700-3800 m. Sichuan, Xizang, Yunnan [Myanmar].
Three varieties occur in China. In FRPS, a fourth variety was recognized: var. cruciflorus S. Y. Hu. However, that name was actually published as a form by Hu (J. Arnold Arbor. 36: 329. 1955) and has never been validly published at varietal rank. It is treated in the present account as a synonym of var. melanocalyx.
（责任编辑：徐晔春）
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