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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Clematis

74. Clematis serratifolia Rehder, Mitt. Deutsch. Dendrol. Ges. 1910: 248. 1910.

齿叶铁线莲 chi ye tie xian lian

Clematis intricata Bunge var. serrata (Maximowicz) Komarov; C. intricata var. wilfordii (Maximowicz) Komarov; C. orientalis Linnaeus var. serrata Maximowicz; C. orientalis var. wilfordii Maximowicz; C. serrata (Maximowicz) Komarov; C. wilfordii (Maximowicz) Komarov.

Vines woody. Branches shallowly 6--8-grooved, sparsely puberulous or glabrous. Leaves 2-ternate; petiole 3--7.5 cm; leaflet blades lanceolate, narrowly ovate, or ovate, 3--6(--8) × 1--2.5(--3) cm, papery, both surfaces sparsely puberulous, glabrescent, base broadly cuneate to rounded, margin irregularly serrate or denticulate, apex attenuate; basal veins abaxially nearly flat. Cymes axillary, 1--3-flowered; peduncle 0.5--1.5 cm; bracts petiolate or sessile, lanceolate to linear, 4--15 mm. Flowers 2--3.5 cm in diam. Pedicel 3--7 cm, sparsely puberulous. Sepals 4, yellow, ascending, oblong, elliptic-lanceolate, or narrowly ovate, 1.5--2.5 × 0.5--0.8 cm, abaxially glabrous except for velutinous margin, adaxially appressed puberulous, apex caudate-apiculate. Stamens 0.8--1.2 cm; filaments puberulous; anthers narrowly oblong, 1.2--2.6 mm, glabrous, apex minutely apiculate. Ovaries pubescent. Style 7--9 mm, densely villous. Achenes elliptic, ca. 3 × 2 mm, pubescent; persistent style ca. 3 cm, plumose. Fl. Aug, fr. Sep--Oct.

Dry forests, slopes, gravelly river banks; ca. 400 m. E Jilin, Liaoning [N Japan, Korea, Russia (Far East)].


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