生活型

vine

形態特徵

• Scandent perennial deciduous woody vines. Stem sulcate, glandular hair when young, glabrous at maturity.
• Leaves biternate, the first several leaves usually alternate; leaves on older stems to opposite; chartaceous; petioles tendril-like, 4.3-6.7 cm long, connate and enlarged at node. Leaflets 9 to 21 or more, 3.8-8.6 cm long, 1.3-4.8 cm wide, ovate or ovate-lanceolate; apex acuminate or acute; base cuneate, truncate or cordate, lateral segments oblique; 1-3-lobed; margin serrulate to double-serrate; sparsely velutinous or subglabrous on adaxial surface; glabrous or sparsely velutinous along veins on abaxial surface; main veins 3 to 5, nerves flat or sunken on adaxial side, elevated on abaxial side; petiolule tendril-like.
• Inflorescence cymes, axillary; pedicels glabrous or nearly so; trichotomously branched; bracts leaflike, lanceolate, glabrous or nearly so on both sides. Flowers 1.5- 2.5 cm in diam., pale pink, pink, or sometimes white, turning brown when dry, campanulate, pendent, sepals recurved at tip. Sepals 4, 1.0-2.5 cm long, 5-10 mm wide, oblong or oblong-ovate; apex acute; base obtuse; glabrous on both sides except at recurved tip; nerves convex ridged on abaxial side. Stamens numerous, 1-2 cm long, pubescent, centripetal, inner ones shorter; anthers oblong or linear, dehiscence lateral, longitudinal, glabrous on both sides; connective equal to the pollen sacs or shorter, glabrous on both sides; filaments linear, flat, dilated near base, sericeous on both sides, extending beyond anthers.
• Carpels numerous, sericeous. Fruits 2.3-3.5 cm long; achenes 3 mm long, ovate or elliptic, convex on both sides, reddish-brown, velutinous; style with white hairs bearded.

分布

• 台灣 : open land and forest margins between 800 and 3,000 m.
• 世界 : Mainland China and southern Japan.

引證標本

TAIPEI: Lalashan, Sasaki s. n. 1930. ILAN: Nanshan, Chuang 2439. HSINCHU: Kuanwu, Liu 3774. TAICHUNG: Lishan, Yang 3178. NANTOU: Wusheh, Sasso s. n. 1932. CHIAYI: Alishan, Kanehira 2999. TAINAN: Hsinhua Farm, Kuoh 13132. TAITUNG: Yakou to Liyuen, Yang et al. 4251. HUALIEN: Shukoran (Hsiukuluanhsi), Nagasawa 611 (TI!, KYO!); Tayulin, Tang 91.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 527. 1996.  (Fl. Taiwan 2nd edit.)