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

28. Clematis peterae Handel-Mazzetti, Acta Horti Gothob. 13: 213. 1939-1940.

钝萼铁线莲 dun e tie xian lian

Vines woody. Branches shallowly 5-grooved, puberulous, glabrescent. Leaves pinnate or 2-pinnate; petiole 1.5--5.4 cm, puberulous to subglabrous; leaflet blades ovate, elliptic-ovate, narrowly ovate, or lanceolate, 2--9.5 × 0.9--4.5 cm, papery, undivided or rarely 3-lobed, abaxially subglabrous to sparsely or rarely densely puberulous, adaxially glabrous or nearly so to rarely sparsely puberulous, base truncate-rounded, rounded, subcordate, or broadly cuneate, margin entire or to 2-dentate on each side, apex acuminate to attenuate; basal veins abaxially ± prominent. Cymes axillary or terminal, few to many flowered; peduncle 1.3--7 cm; bracts foliaceous or simple. Flowers 1--1.5 cm in diam. Pedicel 0.7--1.5 cm, puberulous. Sepals 4, white, spreading, obovate-oblong to narrowly obovate, 6--10 × 2--5 mm, abaxially densely puberulous or rarely glabrous, adaxially appressed puberulous or glabrous, margin abaxially velutinous, apex obtuse to truncate. Stamens 3--7 mm, glabrous; anthers narrowly oblong to oblong, 2--2.5 mm, apex obtuse. Ovaries glabrous or pubescent. Style ca. 5 mm, densely villous. Achenes elliptic-ovate to elliptic, 2--4 × 2--2.5 mm, glabrous or pubescent; persistent style (1--)1.5--3.3 cm, plumose. Fl. May--Nov, fr. Aug--Feb.

* Mixed forests, forest margins, slopes, scrub, along streams; 600--3400 m. S Anhui, S Gansu, E Guangxi, Guizhou, SW Hebei, S to W Henan, Hubei, NW and S Hunan, S Jiangsu, N Jiangxi, S Shaanxi, S Shanxi, Sichuan, C Taiwan, SE Xizang, Yunnan, Zhejiang.

1 Leaves 2-pinnate, 9--15-foliolate; sepals adaxially glabrous; persistent style yellowish plumose   28c var. lishanensis
+ Leave 1-pinnate, (3--)5-foliolate; sepals adaxially puberulous; persistent white plumose.   (2)
2 (1) Ovaries and achenes glabrous   28a var. peterae
+ Ovaries and achenes pubescent   28b var. trichocarpa


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