討論:纈草屬

山羊百科，林文智老師的植物、山岳、攝影紀錄

1. Stamens 3; terminal leaflets ovate or oblong.

2. Stems angular; stigma trifid ........................................................................ 1. V. fauriei

2. Stems terete; stigma forked .................................................................. 2. V. flaccidissima

1. Stamens 4; terminal leaflets oblanceolate ......................................................... 3. V. kawakamii

1. Valeriana fauriei Briq., Ann. Conserv. Jard. Bot. Geneve 17 : 327. 1914; Li, Fl. Taiwan 4: 729, pl. 1174. 1978. 纈草 ：Rhizomes short; stems erect, acutely angled, 30-80 cm tall, densely or sparsely covered with white hairs. Radical leaves long or short, petiolate, trifoliate or pinnate with 5-7 segments, ovate, oblong-lanceolate to oblanceolate, 2-5 cm long, 7-15 mm wide, sessile, coarsely toothed, with minute white hairs on both surfaces and margins. Inflorescences terminal cymes, densely many-flowered; bracts opposite, lower bracts 1-2 cm long, linear, dilated upwards, ending in an awn, clasping and ciliate at base, upper bracts much shorter than lower bracts, 3-6 mm long, ciliate on upper dilated margins. Flowers subsessile; calyx limb obscure in flower, unrolling in fruit into about 10 plumose bristles; corolla tubular-campanulate, 6.5 mm long, sparsely hairy inside, base narrowed and slightly oblique, lobes 5, oblong; stamens 3, inserted on corolla tube, filaments linear, 4-5.5 mm long, base broadened; style 7.5 mm long, stigma trifid. Fruits oblong-lanceolate, compressed, plano-convex, 3 mm long, densely covered with white hairs.

Distributed in Sakhalin, the southern Kuriles, Manchuria, Korea and Japan. Taiwan in forests at medium to high altitudes.

ILAN: Nanhutashan, Suzuki 15461. TAICHUNG: Hsuehshan, Suzuki 5397. NANTOU: Nengkaoshan, Huang, Hsieh & Kao 5781*; Wushe, Chuang & Kao 4237. CHIAYI: Mt. Morrison, Sasaki s. n. Oct. 11, 1927.　PINGTUNG: Matuda s. n. Jan. 4, 1920. HUALIEN: Chungyangchienshan, Fukuyama & Suzuki 15129.

2. Valeriana flaccidissima Maxim., Bull. Acad. Sci. Saint-Petersbourg, 12 : 228. 1876; Li, Fl. Taiwan 4: 729, pl. 1175. 1978. 嫩莖纈草

Herb, bad-smelling when dry; rhizomes short; stems erect and terete, stoloniferous at base, becoming grooved when dried, minutely hairy especially on nodes. Leaves opposite, both radical and cauline, membranaceous, petiolate, 5-7 cm long, pinnatifid to pinnate, terminal leaflets ovate, margins irregularly dentate; upper cauline leaves smaller, sparsely and minutely hairy on both surfaces and margins. Inflorescence of terminal cymes, densely flowered; bracts opposite, linear, 2-7 mm long; calyx limb in flower obscure, unrolling in fruit into 5-15 plumose bristles; corolla white, infundibuliform, 1.5-2 mm long, glabrous, lobes 5, spreading; stamens 3, inserted on neck of corolla tube, the filaments linear, ca. 1 mm long; style linear, ca. 0.5 mm long, stigma forked. Achenes ellipsoid, 2-2.5 mm long, ribbed.

Distributed in Japan. Taiwan in forests at medium to high altitudes.

ILAN: Taipingshan, Sasaki s. n. Apr. 25, 1930; Nanhutashan, Kao 5239. MIAOLI: Tapachienshan, Hosokawa 2441. TAICHUNG: Hsuehshan, Hosokawa 2326. NANTOU: Chiti to Yanshan, Kao 7234; Nengkaoshan, Huang, Hsieh & Kao 5759.

3. Valeriana kawakamii Hayata, Icon. Pl. Formosan. 5 : 82. 1915; Li, Fl. Taiwan 4: 733, pl. 1176. 1978. 高山纈草

Stems terete, erect, 10-40 cm tall, stoloniferous at base. Leaves opposite pinnately compound, 1.5-7 cm long, petiolate; lateral leaflets elliptic, lower pairs gradually smaller; terminal leaflets oblanceolate, 0.5-2 cm long, 3-6 mm wide, dentate, minutely hairy to subglabrous on both surfaces and margins. Inflorescence terminal, many-flowered cymes; bracts opposite, linear, ca. 4 mm long, apex obtuse, base ciliate, clasping. Flowers subsessile; calyx limb obscure in flower, unrolling in fruit, 5 mm long; corolla white, funnelform, lobes 5, spreading; stamens 4, inserted near top of corolla tube, filaments linear ca. 3 mm long; style 2.5 mm long. Fruit oblong-ovoid, compressed plano-convex, 3 mm long.

Endemic. In forests at high altitudes.

TAICHUNG: Tahsuehshan, Sasaki s. n. July 22, 1932. NANTOU: Tientsu, Huang, Hsieh & Kao 5840. CHIAYI: Mt. Morrison, Sasaki s. n. Sep. 1, 1934.