形態特徵

• Shrubs, 1–2 m tall; branches branchlets densely and hirsute.
• Leaves oblong, elliptic or suborbicular, 5–10 cm long, 2.5–4 cm broad; base oblique or cordate; apex acuminate or acute; margin ciliate when young; upper surface glabrous, lower surface densely pubescent; secondary veins 6–8(–9)-paired, veinlets subparallel or indistinct; petiole absent, rarely 2–3 mm long; stipules triangular, ca. 3 mm long, densely pubescent.
• Flowers (1-)2–6 in axillary heads, surrounded by conspicuous, persistent bracts; bracts deeply 3–4 lobes, lobes linear or lanceolate, densely pubescent, 8–15 mm long. Calyx campanulate, ca. 4 mm long, pubescent outside, 5-lobed. Corolla salverform, white or pale violet, ca. 10 mm long, lobes 5, upper 1/3 of tube pubescent inside. Stamens 5, filaments ca. 1 mm long, anthers 1 mm long. Style ca. 9 mm long; stigma 5-branches.
• Drupes ellipsoid or globular, ca. 10 mm in diam., bluish-purple, sparsely pubescent,.

分布

• 台灣 : widespread at low elevations.
• 世界 : The Ryukyu, southern China, and the Philippines.

引證標本

TAIPEI: Huoyenshan, Li 416; Tatungshan, Li 425. ILAN: Fushan, Li 180; Nanao, Liu 855. NANTOU: Jihyuohtan, Chuang 4863; Meiyuan, Kao 6666. KAOHSIUNG: Shanpiing, Huang 483; Shahsi Forest Road, Li 41. PINGTUNG: Nanjenshan, Li 37; Shouka, Li 144. TAITUNG: Hungtoushan, Li 379; Lanyu, Chuang et al. 2366. HUALIEN : Fuyuan, Li 104; Lanshan, Peng 9894.

參考文獻

• LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung, Flora of Taiwan, second edition 4: 295. 1998.  (Fl. Taiwan 2nd edit.)