This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
Climbing rapidly; glabrous or slightly pubescent: leaves ternate; leaflets coriaceous, ovate to ovate-lanceolate, cordate or rounded at the base, entire, 2-3 in. long: panicle loose and many-flowered; flowers white, less than 1/2in. across: sepals 4, obtusish; anthers as long or longer than filaments: achenes with long feathery tails. Japan, E. China and Indo-China. Summer. B.M. 7897. - Hardy only in warmer temperate regions.
Closely allied to the preceding species: climbing; quite glabrous: leaflets thicker, cuneate at the base, usually obtusish; sepals acuminate; anthers shorter than the filaments. Late summer. China. - Suitable for greenhouse, more tender than the preceding.
Climbing, glabrous: leaves subcoriaceous ternate; leaflets long-petioled, lanceolate or oblong-lanceolate, acuminate, 2-3 in. long: flowers slender-pedicelled, white, 1-1 1/2 in. across in axillary racemes; sepals linear-oblong: achenes fulvous-pubescent, with a long plumose tail. May. Cent. China.
Herbaceous, somewhat tufted, 2-3 ft. long: leaves pinnate; leaflets stalked, ovate, acuminate, entire: flowers numerous, on a large, branching terminal panicle, white, sweet-scented,
1 in. across. June-Aug. S. Eu. Gn52, p. 510; 53 p. 547: 66, p. 152. R.H. 1899, p. 528. G.M 45:866. G W 14 p 561. variety plena, Lemoine. Fully doubled," button-like blossoms. H.F. 1860:13. R.H. 1860, pp 512-13. variety mandshurica, Maxim. (C. ternifiora, DC C. mandchuria, Rupr.). Taller and slenderer: Ifts. 3-5, ovate, subcordate at the base, rarely cuneate, obtuse, reticulate beneath: flowers pure white in axillary and terminal panicles. R.H. 1909, p. 423.
Figs. 990, 991. A vigorous climber: leaflets 3-5, often lobed, acuminate, 1-4 in. long, glabrous: flowers fragrant, l- 1 1/2ini. across, in axillary and terminal panicles; sepals 4, dull white. Sept. Japan. G.F. 3:621 (adapted in Fig. 990); 5:91; 9:75 and 185. F.R. 2:581; 6:471. Mn. 7:113. Gng. 1:101 and 165 4:161,229; 6:291; 7:246. A.F. 13:1314. M.D.G 1898-487-9. G.W. 11:127. V. 16:18. A.G. 20:847. FE
Fig. 990. Clematis paniculate. (X 1/2)
Fig. 991. Flower of Clematis paniculata. (X 3/4)
16:375 gn 57 P155;61 P91- R-H. 1874, p. 465 and 1899, p. 527 (as C. Flammula, robusta): 1902, p. 86 Prop, by seed. By far the most common of the fall-blooming species in American gardens. Thrives best in sunny situations. Will stand severe pruning in winter. 36. Flammula, Linn. (C. Pallasii, J. F. Gmel.). A slender but vigorous climber, reaching 10-15 ft.: leaves usually bipinnate, dark green, remaining fresh till midwinter; leaflets small, ovate, oblong or linear: flowers small, numerous, in axillary and terminal panicles; sepals 4, linear-oblong, white; stamens white: fruit bearing white plumes. Aug. - Oct. Medit. region. Gn. 52, p. 499; 55, p. 114; 58, p. 319; 76, p. 23. Gn. M. 13:347. H.W. 3, p. 14. V. 5:321. - Must have a sunny exposure; very beautiful. variety rubella, Bele (C. rubella, Pers., not Hort.). Differs from the type in having the flowers red outside. variety rotundifolia, DC. (C. fragrans, Tenore). leaflets broader, obtuse: flowers fragrant. S. Eu. R.F.G. 4:62 (4666).
There are hybrids of this species with C. integrifolia for which see No. 5, C. aromatica. and with C. Viticella, see C. violacea under No. 20.
Climbing, to 20 ft.: leaves pinnate; leaflets 5-7, ovate, incised - serrate, sometimes 3-lobed or 3-parted, nearly glabrous or sometimes sparingly silky-pubescent, particularly beneath, 1-2 in. long: flowers 2 in. across, white, in 3-flowered axillary cymes, long-stalked; sepals 4-6, obovate, finely pubescent outside: achenes glabrous with feathery tails. July. W. China. variety Souliei, Finet & Gag-nep. Flowers larger, 3 in. across, solitary. - A handsome species, resembling C. montana.
Climbing, to 10 ft.: branchlets pubescent: leaves ter-nate, long-petioled; leaflets usually ovate, coarsely serrate and sometimes 3-lobed or occasionally the terminal ternate, glabrous above, pubescent on the veins beneath: flowers in axillary, many-flowered short cymes, white, about 1/2in. across; sepals pubescent on both sides: achenes pubescent with plumose tails. Sept., Oct. Japan. variety obtusidentata, Rehd. & Wilson. leaflets broader, usually truncate or subcordate at base, less deeply serrate with shallow rounded teeth, more pubescent. Cent. China. - Resembles C. grata in the shape of the leaflets
(C. brevi-cordata, Hort.). Climbing vigorously: leaves pinnate to bipinnate; segments ovate-lanceolate, acuminate, coarsely toothed, sometimes nearly entire, nearly glabrous or pubescent: flowers in axillary panicles, white, 1/2-3/4in 3/4in. across: achenes hairy, rarely glabrous, with rather short plumose tails. Aug. - Oct. China. G.F. 5:139. - A very variable species, but little used. variety tenuisepala, Maxim. segments with only 1-3 teeth on each side or sometimes entire: flowers about 1 in. across with glabrous sepals.
High climbing: young branchlets pubescent: leaves pinnate; leaflets usually 5, broadly ovate, usually cordate at the base, incisely serrate, sometimes 3-lobed, 1-2 in. long, pubescent on both sides or glabrous above: flowers 3/4-1 in. across, creamy white, in large panicles; sepals tomentose outside: achenes densely pubescent, with long feathery tails. Sept., Oct. Himalayas. G.M. 47:642. Gn. 66, p. 365; 71, p. 506. variety lobulata, Rehd. & Wilson. leaflets with coarser and fewer rounded teeth, often 3-lobed or 3-parted, densely pubescent on both sides. Cent. China. variety grandi-dentata, Rehd. & Wilson. leaflets occasionally only 3, incisely dentate, usually rounded at base, glabrescent above, silky pubescent beneath, chiefly on the veins, 2-3 1/2 in. long. Cent. China.