生活型

vine

形態特徵

• Scandent perennial woody vines. Stem sulcate, glabrous.
• Leaves ternately compound, coriaceous; petioles tendril-like, 4.7-7.6 cm long; stipules absent. Leaflets 3, 3.9-12.3 cm long, 2.3-7.1 cm wide, ovate, ovate-elliptic or ovate-lanceolate; apex acute-mucronulate; base obtuse or cuneate; unlobed; margin entire; glabrous on both surfaces; main veins 5, nerves elevated on both sides; petiolulate.
• Inflorescences cymes, terminal or axillary; pedicels almost glabrous or pubescent, trichotomously branched; bracts and bracteoles subulate, coriaceous, glabrous on both sides. Flowers 2.4-5.2 cm diam. Sepals 4, white, spreading, 1.4-2.5 cm long, 3-7 mm wide, oblong or oblong-lanceolate; apex acute-mucronulate, base cuneate, glabrous inside, sparsely velutinous outside. Stamens numerous, 7- 14 mm long, glabrous, centripetal; anthers narrowly elliptic or linear, dehiscence lateral, longitudinal; connective excurrent beyond pollen sacs, 0.3-0.7 mm long; filaments linear, flat.
• Carpels numerous, golden sericeous. Fruits 2.1-4 cm long; achenes 5-9 mm long, lunate or elliptic, compressed laterally, yellowish brown, golden velutinous hairs; style with golden hairs bearded.

分布

• 台灣 : widely distributed in open areas and forest margins, usually below 2,000 m.
• 世界 : S. mainland China, Hongkong, Vietnam and southern Japan(Yakushima, Ryukyus).

引證標本

TAIPEI: Wulai, Yang 953. KEELUNG: Keelung, Sasaki s. n. 1931. TAOYUAN: Lalashan, Kao 10209. MIAOLI: Hushan, Huang 8708. TAICHUNG: Chingshan, Yang 1373. YUNLIN: Juoshueihsi, Yamamoto s. n. 1931. KAOHSIUNG: Tehchi, Yamamoto & Mori 794. PINGTUNG: Tashulinshan, Matuda 7. TAITUNG: Changpan to Chaori, Yamamoto & Mori 335. HUALIEN: Tienhsian, Huang & Huang 10159.

引用文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 532. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)