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

37. Clematis puberula J. D. Hooker & Thomson, Fl. Brit. India. 1: 4. 1872.

短毛铁线莲 duan mao tie xian lian

Vines woody, often turning black on drying. Branches shallowly 4--10-grooved, puberulous. Leaves 2-pinnate or 2-ternate, distal ones sometimes 1-pinnate; petiole 1--7.5 cm; leaflet blades ovate, narrowly so, or lanceolate, undivided or 3-lobed, 1.5--9.8 × 0.6--5 cm, papery, both surfaces sparsely puberulous or subglabrous, or abaxially densely sericeous, base rounded, subcordate, or broadly cuneate, margin irregularly dentate or entire, apex attenuate or acuminate; basal veins slightly prominent or nearly flat. Cymes both axillary and terminal, (3--) 9- to many flowered; peduncle 2--10 cm, puberulous or glabrous; bracts simple and ovate or linear, or ternate. Flowers 1.4--2.4(--3.6) cm in diam.; pedicel 1--7 cm, puberulous or glabrous. Sepals 4, white, spreading, obovate-oblong to narrowly oblong, 7--12(--16) × 3--5.8(--6) mm, abaxially appressed puberulous or subglabrous, adaxially glabrous, margin velutinous, apex subtruncate, obtuse, or acute. Stamens 5--9(--11) mm, glabrous; anthers oblong or narrowly so, 0.8--2 mm, apex obtuse. Ovaries puberulous or glabrous; style 3.5--5(--7) mm, densely villous. Achenes strongly compressed, orbicular-ovate or suborbicular, 3.5--5 × 2--3.2 mm, puberulous or glabrous, with distinct, winglike margin; persistent style 2--3.5 cm, plumose. Fl. Jul--Oct.

Forests, scrub, grassy slopes, by streams; 200--3300 m. S Anhui, N Fujian, S Gansu, W Guangdong, N Guangxi, Guizhou, S and W Henan, Hubei, Hunan, NE Jiangsu, Jiangxi, S Shaanxi, Shandong, S Shanxi, Sichuan, E to SE Xizang, Yunnan, N Zhejiang [Bhutan, N India, N Myanmar, Nepal].

1 Ovaries and achenes puberulous.   (2)
+ Ovaries and achenes glabrous.   (3)
2 (1) Leaflet blades abaxially densely or sparsely puberulous; sepals abaxially densely puberulous   37a var. puberula
+ Leaflet blades and sepals abaxially sparsely puberulous or subglabrous   37b var. tenuisepala
3 (1) Leaflet blades abaxially densely sericeous-puberulous   37c var. subsericea
+ Leaflet blades abaxially sparsely puberulous or subglabrous   37d var. ganpiniana


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Photos by The Biodiversity of the Hengduan Mountains Project  
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  • Image File (David Boufford)
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