形態特徵

• Shrubs or herbs, erect, large, perhaps annual, sparsely pubescent, glabrescent; stems and branches thick
• Leaves ovate or broadly elliptic, 3–14 cm long, 2–6 cm wide, apically short acuminate, basally rounded or broadly cuneate, decurrent, sometimes oblique, mostly with a few coarse teeth, glabrate; petiole 1–3 cm long. Pedicel 5–14 mm long.
• Calyx broadly campanulate, 2–3 mm long, base rounded, lobes deltoid, 0.5 mm long, ciliate, prickly outside; corolla white with 5, 2-parted markings inside, campanulate-rotate, 7 mm long, lobes ovate, 2–3.5 mm long, slightly longer than tube, spreading ciliolate, filaments 5–6 mm long, anthers green, ovoid, 4 mm long, included or slightly exserted.
• Berry orange, globose, 4–5 mm across, much smaller than fruiting calyx, fruiting pedicel 1.5–1.8 cm long, nodding; fruiting calyx much inflated, globose-ovoid, 1.8–2.5 cm long, with longitudinal winglike ribs and prominent triangular teeth on ribs; seeds pale yellow, discoid, 1 mm across.

分布

• 台灣 : Recorded only once from Taiwan (as P. linii).
• 世界 : Japan.

引證標本

NANTOU: Kuantaochi, Liu & Ou 2105.

參考文獻

• William G. D'Arcy and Peng, Ching-I, Flora of Taiwan, second edition 4: 559. 1998.  (Fl. Taiwan 2nd edit.)