生活型

vine

形態特徵

• Scandent perennial woody vines. Stem green, sulcate, sparsely pubescent, glabrous at maturity.
• Leaves ternately or pinnately compound, subcoriaceous or chartaceous; petioles tendril-like, 5.2-9.4 cm long, connate at base and widely expanded; stipules absent. Leaflets 3 to 5, 4.3-22.5 cm long, 3.1-12.5 cm wide, cordate or ovate; apex acuminate; base cordate; unlobed; margin sparsely serrulate, rarely entire; glabrous on both surfaces; main veins 5, nerves flat or sunken on adaxial side, elevated on abaxial side; petiolulate.
• Inflorescence a dichasium or cyme, axillary; pedicels glabrous, trichotomously branched; bracts and bracteoles elliptic-lanceolate or subulate, subcoriaceous, glabrous on adaxial side, sparsely velutinous on abaxial side. Flowers 3.0-5.0 cm diam. Sepals 6, sometimes 5 or more than 6, dark purple, spreading, 1.8-3.0 cm long, 4-8 mm wide, oblong-lanceolate; apex acute; base cuneate; yellowish-brown and glabrous inside, dark purple and densely velutinous outside. Stamens numerous, glabrous, centripetal, inner ones shorter ca. 6-8 mm long, outer ones 1.5-2.2 cm long; anthers narrowly elliptic or linear, dehiscence lateral, longitudinal; connective long excurrent beyond pollen sacs, 0.6-2.0 mm long; filaments linear, flat.
• Carpels numerous, white sericeous. Fruits 4.6-7.4 cm long; achenes 6-8 mm long, narrowly ovate or elliptic, compressed laterally, dark brown, sparsely velutinous; style with white or pale yellow hairs.

分布

• 台灣 : Widely distributed from low to middle altitudes (50-2,800 m) on beaches, streamsides, open land and forest margins.
• 世界 : the Ryukyu Islands.

引證標本

TAIPEI: Pinglin, Yingtzulin, Ying s. n. 1987 (Type of C. yingtzulinia, NTUF). ILAN: Tuchan, Suzuki 4154. MIAOLI: Erpensung, Liu & Ou 275. TAICHUNG: Shaolaiping, Sasaki s. n. 1922. NANTOU: Chichitashan, Yang & Chiang 5883. CHIAYI: Yushan, Kawakami & Mori s. n. 1906 (Holotype of C. longisepala, TI!), Nakahara s. n. 1906 (Holotype of C. tozanensis, TI!). TAINAN: Kuangtzulin, Yang 2445. KAOHSIUNG: Likuang, Yang 3124. PINGTUNG: Shuanliu, Yang & Hung 3307. TAITUNG: Lanyu Isl., Chang 14917. HUALIEN: Temple Cheankuangsi, Peng 7395.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 539. 1996.  (Fl. Taiwan 2nd edit.)