生活型

shrub

形態特徵

• Shrubs, to 5 m tall, deciduous; branchlets slender, terete, densely stellate tomentose.
• Leaves ovate-globose to elliptic, members of a pair unequal in size on flowering branchlets, chartaceous, 4–10 cm long, 16 cm long on rapidly growing shoots, apex abruptly acuminate or acute, base obtuse to round, margin dentate-serrate, pubescent on both surfaces; lateral veins 6–9 per side, nearly straight, parallel; petiole to 2 cm long.
• Inflorescences terminating on latera; branchlets, corymbose cymes, 5–8 cm across, with sterile marginal flowers; peduncle 3–4 cm long. Sterile flowers white, ca. 2 cm across, 5-lobed, one lobe smaller, zygomorphic, pedicel ca. 2 cm long; fertile flowers sessile, ca. 3 mm across.
• Fruits red, ovate-orbicular, more or less compressed, ca. 6 mm across.

分布

• 台灣 : restricted to the northern half of the island, 1,800–3,000m.
• 世界 : Southern China and Japan; variety <i>formosanum</i> is endemic to Taiwan.

引證標本

ILAN: Taipingshan, Lu & Ou 5105 (Type); Szuyuan, Ou & Liao 3856. NANTOU: Wanhsiang, Lu & Ou 3915; Tsuifong, Ou 4026. CHIAYI: Alishan, S. Y. Lu s. n. 1985. HUALIEN: Hoping, S. Y. Lu 16322.

參考文獻

• YANG, Kuoh-Cheng and CHIU, Shau-Ting, Flora of Taiwan, second edition 4: 757. 1998.  (Fl. Taiwan 2nd edit.)