槭叶铁线莲Clematis acerifolia Maxim.
槭叶铁线莲Clematis acerifolia Maxim.
94．槭叶铁线莲（北京植物志）岩花（河北）图31
Clematis acerifolia Maxim. in Bull. Soc. Nat. Mosc. 54: 2. 1879; Kuntze in Verh. Bot. Ver. Brand. 26: 143. 1885; Forbes et Hemsl. in Journ. Linn. Soc. Bot. 23: 1. 1886; Finet et Gagnep. in Bull. Soc. Bot. Fr. 50: 524. 1903; land.-Mazz. in Act. Hort. Gothob. 13: 210. 1939; 北京植物志, 上册: 304, 图249. 1962; 中国高等植物图鉴1: 750, 图1499. 1972.
直立小灌木，高30-60厘米，除心皮外其余无毛。根木质，粗壮。老枝外皮灰色，有环状裂痕。叶为单叶，与花簇生；叶片五角形，长3-7.5厘米，宽3.5-8厘米，基部浅心形，通常为不等的掌状5浅裂，中裂片近卵形，侧裂片近三角形，边缘疏生缺刻状粗牙齿; 叶柄长2-5厘米。花2-4朵簇生；花梗长达10厘米; 多花直径3.5-5厘米；萼片5-8，开展，白色或带粉红色，狭倒卵形至椭圆形，长达2.5厘米，宽达1.5厘米，无毛，雄蕊无毛；子房有柔毛。花期4月，果期5月至6月。
特产北京。生低山陡壁或土坡上。
《Flora of China》 Vol. 6 (2001)
Clematis acerifolia Maximowicz
槭叶铁线莲 qi ye tie xian lian
Shrublets 20--60 cm tall. Branches subterete, not grooved, glabrous; bud scales ovate to ovate-oblong, 4--8 mm, puberulous near apex. Leaves simple, glabrous; petiole 2--5 cm; leaf blade pentagonal, 3--7.5 × 3.5--8 cm, palmately 5-lobed, thick papery, base subcordate to rarely broadly cuneate, margin sparsely dentate, apex acute; basal veins abaxially nearly flat to ± prominent. Flowers 2--4 borne together with leaves from a bud at apex of stem, 3.5--5 cm in diam. Pedicel 5.5--10 cm, glabrous. Sepals 5--8, white or pinkish, spreading, narrowly obovate to oblong, 1.5--2.5 × 0.7--1.5 cm, both surfaces glabrous, apex obtuse, subrounded, or acute. Stamens 5--8 mm, glabrous; anthers narrowly oblong to oblong, 1--2 mm, apex obtuse. Ovaries pubescent. Style ca. 4.5 mm, densely villous. Achenes narrowly ovate, 2.5--3 × 1.2--1.8 mm, densely pubescent; persistent style ca. 2.5 cm, plumose. Fl. Apr--May, fr. May--Jun.
* Rocky cliffs, soil slopes; ca. 200 m. Beijing Shi.
别名：岩花;
科名：毛茛科 Ranunculaceae
属名：铁线莲属 Clematis
94．槭叶铁线莲（北京植物志）岩花（河北）图31
Clematis acerifolia Maxim. in Bull. Soc. Nat. Mosc. 54: 2. 1879; Kuntze in Verh. Bot. Ver. Brand. 26: 143. 1885; Forbes et Hemsl. in Journ. Linn. Soc. Bot. 23: 1. 1886; Finet et Gagnep. in Bull. Soc. Bot. Fr. 50: 524. 1903; land.-Mazz. in Act. Hort. Gothob. 13: 210. 1939; 北京植物志, 上册: 304, 图249. 1962; 中国高等植物图鉴1: 750, 图1499. 1972.
直立小灌木，高30-60厘米，除心皮外其余无毛。根木质，粗壮。老枝外皮灰色，有环状裂痕。叶为单叶，与花簇生；叶片五角形，长3-7.5厘米，宽3.5-8厘米，基部浅心形，通常为不等的掌状5浅裂，中裂片近卵形，侧裂片近三角形，边缘疏生缺刻状粗牙齿; 叶柄长2-5厘米。花2-4朵簇生；花梗长达10厘米; 多花直径3.5-5厘米；萼片5-8，开展，白色或带粉红色，狭倒卵形至椭圆形，长达2.5厘米，宽达1.5厘米，无毛，雄蕊无毛；子房有柔毛。花期4月，果期5月至6月。
特产北京。生低山陡壁或土坡上。
《Flora of China》 Vol. 6 (2001)
Clematis acerifolia Maximowicz
槭叶铁线莲 qi ye tie xian lian
Shrublets 20--60 cm tall. Branches subterete, not grooved, glabrous; bud scales ovate to ovate-oblong, 4--8 mm, puberulous near apex. Leaves simple, glabrous; petiole 2--5 cm; leaf blade pentagonal, 3--7.5 × 3.5--8 cm, palmately 5-lobed, thick papery, base subcordate to rarely broadly cuneate, margin sparsely dentate, apex acute; basal veins abaxially nearly flat to ± prominent. Flowers 2--4 borne together with leaves from a bud at apex of stem, 3.5--5 cm in diam. Pedicel 5.5--10 cm, glabrous. Sepals 5--8, white or pinkish, spreading, narrowly obovate to oblong, 1.5--2.5 × 0.7--1.5 cm, both surfaces glabrous, apex obtuse, subrounded, or acute. Stamens 5--8 mm, glabrous; anthers narrowly oblong to oblong, 1--2 mm, apex obtuse. Ovaries pubescent. Style ca. 4.5 mm, densely villous. Achenes narrowly ovate, 2.5--3 × 1.2--1.8 mm, densely pubescent; persistent style ca. 2.5 cm, plumose. Fl. Apr--May, fr. May--Jun.
* Rocky cliffs, soil slopes; ca. 200 m. Beijing Shi.
