生活型

herb

形態特徵

• Perennial scandent or climbing herbs, branches subterete, thin-scabrid or subglabrous.
• Leaves papery to subcoriaceous, 4-verticillate, narrowly ovate, oblong or oblong-lanceolate, (2.0-)3.8–6.2(–7.5) cm long, (0.5-)1.3–2.6(–2.8) cm broad, apex acute, base truncate or cordate, glabrous above, 3-nerved; petioles scabrid, 1.5–7.5 cm long.
• Inflorescence in axillary and terminal panicle-cymes; bracts lanceolate, 4-verticillate; pedicels 1–1.5 mm long. Flowers white, calyx tube obovate, 0.3 mm long; corolla bell-form, 4-lobed, the lobes valvate in bud, ovate-lanceolate with acuminate-caudate apex; stamens 4, alternate with corolla-lobes, filaments short, 0.1 mm long, anthers oblong, dorsally connective, 2-celled; styles 2, 0.1 mm long.
• Fruits didymous, 4–7 mm in diam., black at maturity. Seeds 2.

分布

• 台灣 : Along the forest margin under elevations 3,000 m throughout this island.

引證標本

TAIPEI: Sanhsia, Wang et al. 497. ILAN: Mt. Taipingshan, Chuang et al. 4710; Lake Shenmihu, Hsu 591. TAOYUAN: Tahsi, Suzuki & Nakamura 18254. HSINCHU: Chialichienshan, Sasaki s.n. Jan 1916. MIAOLI: Mt. Chunghsueshan, Yang 413; Nanchuang, Hsu 12684. TAICHUNG: Anmashan, Liu et al. 125. NANTOU: Hsitou, Yang 2528; Tsueifeng to Meifeng, Yang 73. CHIAYI: Mt. Alishan, Chao 92 (holotype; TAI!). PINGTUNG: Chinshuiying, Tang 231; Shuitiliao to Tahanshan, Leu 570. TAITUNG: Chipehyue, Sasaki s.n. Oct 1934. HUALIEN: Hohuanshan, Chiu 3820; Mt. Luanshan, Huang 4261.

引用文獻

• LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung, Flora of Taiwan, second edition 4: 324. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)