生活型

vine

形態特徵

• Climbing vines, 2-4 m long. Stems and branches densely bristly, stem internodes 2.5-3.5 cm long, 2-3 mm thick; flowering branches 10-30 cm long, weakly zigzag.
• Leaf blade broadly ellipsoid to ovateellipsoid, 4-6(-8) cm long, 3-4(-5) cm wide, base rounded, apex abruptly contracted, mucronite, thick herbaceous to chartaceous, lower surface glaucous; costas 5, all separate to base, ridged on lower surface, weakly elevated on upper surface, veinlets divergent, forming rather coarse reticulations; petiole 8-12 mm long, 1.2-1.5 mm thick, obtusely trigonous, sheathing half way, wings 1-1.5 mm wide; tendrils 1-3 cm long on stem leaves, 1 cm long to vestigial on branches.
• Umbels solitary in 1 or 2 basal nodes of first year branches; peduncle arising from non prophyllate axils, 3-4 cm long. Flowers not seen.
• Berries globose, 6-7 mm across, blue-black; seeds 1 or 2.

物候

fruiting in autumn.

分布

• 台灣 : occasional in forests, 700-1,600 m.

引證標本

HSINCHU: Neiwan, S. Sasaki (6061). CHIAYI: Houtapu, S. Sasaki (6062); Hsiashan, Suzuki Tokio ST20915. TAINAN: Tatungshan, Hsu &Mou s. n. KAOHSIUNG: Chuyunshan, Wang 1292, 1305; Shanping, Chang 2072; Shihshan Forest Road Wang 1345. PINGTUNG: Peitawushan, Wang & Mao 1421; Tewen, Peng 6904; Wutai, Chang 7385.

參考文獻

• KOYAMA, Tetsuo, WANG, Kuang-Yuh, LU, Fu-Yuan, and OU, Chern-Hsiung, Flora of Taiwan, second edition 5: 117. 2000.  (Fl. Taiwan 2nd edit.)