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

143. Clematis iliensis Y. S. Hou & W. H. Hou, Bull. Bot. Res., Harbin. 6(2): 131. 1986.

伊犁铁线莲 yi li tie xian lian

Clematis sibirica Miller var. iliensis (Y. S. Hou & W. H. Hou) J. G. Liu.

Vines woody. Branches shallowly 4--6-grooved or terete, sparsely pubescent; bud scales triangular, 3--7 mm, abaxially pubescent. Leaves ternate; petiole 3--10 cm; leaflet blades narrowly ovate to broadly ovate, 4--10 × 2--8 cm, herbaceous to papery, undivided or 3-parted, both surfaces sparsely pubescent, often glabrescent, base truncate, rounded, or subcordate, margin denticulate to dentate, apex acuminate; basal veins abaxially ± prominent. Flowers 1--3 borne together with a pair of leaves arising from axillary buds of old branches, 4--7 cm in diam. Pedicel 8--14 cm, sparsely pubescent. Sepals 4, yellowish, ascending, obovate-oblong to elliptic, 3.6--4.5(--5) × 1.1--1.8(--3) cm, abaxially densely puberulous, adaxially puberulous, apex ± obtuse. Staminodes linear-spatulate, ca. 2 cm, abaxially densely puberulous, adaxially glabrous, apex ± acute. Stamens slightly shorter than staminodes; filaments densely pubescent; anthers linear, ca. 3 mm, abaxially pubescent on connective, apex ± obtuse. Ovaries puberulous. Style ca. 1.4 cm, densely villous. Achenes narrowly obovate to narrowly elliptic, ca. 4 × 2.2--2.8 mm, puberulous; persistent style 3--3.8(--5) cm, plumose. Fl. Jun--Jul, fr. Jul--Aug.

* Picea forests, forest margins, along streams; 1600--3000 m. CN to SW Xinjiang.


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