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17. Clematis meyeniana Walp. C. lutchuensis Koidz. - Yamabaru-sennin-sō, Teriha-no-sennin-sō. Glabrous woody climber, the young shoots often yellowish brown pubescent in leaf axils, changing to dark brown when dried; leaves petiolate, ternate, the leaflets rather coriaceous, petioluled, ovate to elongate-ovate, sometimes deltoid-ovate, 5-nerved, 4-10 cm. long, 2.5-5 cm. wide, acuminate, rounded to shallowly cordate at base; panicles axillary, pyramidal, 7-20 cm. long, peduncled, rather manj'-flowered, the bracts subulate, small, the pedicels rather short, the flowers white, 15-20 mm. across; sepals 4, spreading, with white tomentum on margin; stamens about 2/3 as long as the sepals, glabrous, the anthers linear, yellow, 1/2-2/3 as long as the filaments; achenes yellowish brown villous; style feathery except at apex, yellowish brown. July-Aug. Kyushu (Tanegashima and Yakushima). - Ryukyus, Formosa, s. China, and Philippines.

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6. Clematis obvallata (Ohwi) Tamura. C. japonica var. obvallata Ohwi; C. japonica forma obvallata (Ohwi) Ohwi -  Kōya-hanshōzuru. Closely resembles the preceding [C. japonica]; bracts at the top of the peduncles, larger, often colored and involucrelike. - Mountains; Honshu (s. Kinki Distr.), Shikoku.
Var. shikokiana Tamura. Shikoku-hanshōzuru. Bracts smaller. Shikoku.

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1. Clematis ochotensis (Pall.) Poir. Atragene ochotensis Pall.; C. alpina var. ochotensis (Pall.) O. Kuntze; A. alpina var. ochotensis (Pall.) Regel & Tiling - Miyama-hanshō-zuru. Slender scandent herb, woody at base, the young shoots loosely pubescent, the flowering branches usually short, with a pair of leaves; leaves usually twice ternate, pedoled, the leaflets broadly lanceolate to ovate-orbicular, 2.5-8 cm. long, 1.5-4 cm. wide, acuminate, pedoluled, sometimes 2- to 3-parted, coarsely toothed, membranous; flowers solitary, terminal, pendulous, pubescent, campanulate, 2.5-3 cm. long, usually purplish, on ebracteate peduncles 7-15 cm. long; sepals 4, broadly lanceolate to narrowly ovate, narrowed above; petals few, spathulate-linear, about half as long as the sepals; stamens many, slightly shorter than the petals, the filaments pubescent, the anthers yellow, oblong; achenes broadly ovate, 3-4 mm. long, spreading-pilose; style 2.5-3 cm. long. - June-Aug. Alpine; Hokkaido, Honshu (centr. and n. distr.). - Kuriles, Sakhalin, Manchuria, Korea, e. Siberia, and Kamchatka.
 

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Clematis ochotensis ...Var. fauriei (H. Boiss.) Tamura. C. alpina var. fauriei H. Boiss.; C. ochotensis var. ternata Nakai - Komiyama-hanshōzuru. Phase with once-ternate leaves. - Honshu (n. distr.).

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12. Clematis patens Morr. & Decne. - Kazaguruma. Resembles the preceding [C. florida]; leaves 3- to 5-foliolate, the leaflets ovate, chartaceous, often 3-fid, 3-10 cm. long, 2-5 cm. wide, acute, rounded to shallowly cordate; peduncles solitary and terminal on short young shoots, 1-flowered, ebracteate, 10-15 cm. long; flowers white to pale blue-purple, 10-15 cm. across; sepals usually 8, caudate, narrowly ovate to narrowly oblong, with a broad band of short white hairs on each side externally; anthers hnear, 6-10 mm. long, the filaments glabrous, as long as to slightly longer than the anthers; achenes ovate; style long yellowish-brown pilose. - May-June. Honshu, Shikoku, Kyushu. Several cultivars are grown in this country. -  China.

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13. Clematis pierotii Miq. - Koba-no-botanzuru, Yama-botanzuru. Slightly short-pubescent climber; leaves petiolate, twice ternate, the leaflets membranous, petioluled or sessile, ovate to broadly so, 1.5-5 cm. long, 8-20 mm. wide, usually 3-fid, with few irregular teeth, the midlobes of terminal leaflets often elongate, acuminate, the other lobes acute to subobtuse, linear-lanceolate to narrowly ovate; peduncles axillary, solitary, 1- to 3-flowered, 5-10 cm. long, leafy-bracteate; flowers white, about 2.5 cm. across, erect; sepals oblong, white-pubescent outside especially toward the margin; stamens slightly shorter than the sepals, glabrous, the anthers narrowly oblong, 1-1.5 mm. long; achenes broadly lanceolate, about 5 mm. long, spreading-pilose; style yellowish, about 2 cm. long, feathery. - Aug.-Sept. Shikoku, Kyushu. - Ryukyus.

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9. Clematis serratifolia Rehd. C. orientalis var. serrata Maxim.; C. orientalis var. wilfordii Maxim.; C. sibiricoides Nakai - Ō-waku-note. Scandent subshrub, the nodes and young parts short-pubescent; leaves pinnately biternate, the petioles 4-5 cm. long, the leaflets 3-5 cm. long, 1-3 cm. wide, petiolulate, often irregularly 2- to 3-fid, coarsely toothed, sparingly pubescent on both sides, glaucous, acuminate; peduncles erect, 10-14 cm. long, white-pubescent, with small bracts near base; flowers nodding, broadly campanulate; sepals 2-3 cm. long, about 1 cm. wide, narrowly ovate, gradually narrowed above and acuminate, membranous; stamens 5-7 mm. long, the filaments lanceolate-subulate, silky especially on margin, the anthers 2-2.5 mm. long, yellowish, obmse; achenes ovate, about 2.5 mm. long, pilose, the tail 4.5-5 cm. long, slender, long white-pilose. - Hokkaido (near Wakkanai in Kitami Prov.). - Manchuria, n. Korea, and Ussuri.

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4. Clematis speciosa (Makino) Makino. C. heracleifolia var. speciosa Makino; C. heracleifolia var. hookeri Makino, excl. syn. - Ō-kusa-botan. Closely resembles No. 3 [C. stans]; stems stout; leaves chartaceous, petiolate, somewhat larger, ternate, the leaflets ovate to broadly so, 10-18 cm. long, 4-10 cm. wide, short-acuminate, sometimes 2- to 3-lobed, short-toothed, the lateral leaflets usually petioluled, prominently oblique at base; flowers 2-2.5 cm. long; sepals linear-lanceolate, dilated above; stamens about 1/3 as long as the sepals, the anthers shorter than the filaments, about 3 mm. long. - Oct. Shikoku, Kyushu.

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3. Clematis stans Sieb. & Zucc. C. kousabotan Decne.; C. lavallei Decne. and var. foliosa Decne.; C. savatieri Decne.; C. heracleifolia var. stans (Sieb. & Zucc.) O. Kuntze - Kusa-botan. Erect dioecious short-pubescent herb often woody at the base; stems 50-100 cm. long, sometimes branched; leaves pedolate, ternate, the leaflets thick-chartaceous, ovate to depressed-orbicular, 5-10 cm. long, 4-10 cm. wide, often 2- to 3-cleft, short-acuminate, with coarse deltoid teeth, the lateral leaflets subsessile; cymes axillary, often forming a large terminal panicle, the pedicels short white-tomentose; flowers 15-20 mm. long, narrowly campanulate, nodding, pale purple-blue, short white-tomentose outside; sepals recurved on upper half, lanceolate; stamens of staminate flowers 10-12 mm. long,  the anthers linear, 4-5 mm. long, as long as to slightly shorter than die loosely pubescent filaments; achenes elliptic, about 3.5 mm. long, with short ascending hairs; style about 2 cm. long in fruit. - Aug.-Oct. Sunny places in mountains; Honshu.
 

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Clematis stans ....Var. austrojaponensis (Ohwi) Ohwi. C. austrojaponensis Ohwi - Tsukushi-kusa-botan. Anthers shorter, about 3 mm. long, the filaments 2-3 times as long as the anthers. - Shikoku, Kyushu.