生活型

shrub

形態特徵

• Armed shrubs or subshrubs 0.5–1 m tall, stellate-tomentose, prickles short, straight or curved, to 3.5 mm long; stems terete, tomentose, glabrescent, young growth sparingly prickly.
• Leaves solitary, entire or obscurely sinuate, lanceolate to narrowly oblong, 4–15 cm long, 1.5–5 cm wide, apex acute, base cuneate, sparsely tomentose when young, glabrescent, drying discolorous; petiole 1–3 cm long.
• Inflorescences extra-axillary or terminal, racemose panicles to 3 cm long; peduncle 1–1.8 cm long, sometimes 1–2-branched, tomentose; pedicel 5 mm long; calyx campanulate 3 mm wide, lobes oblong-ovate, 1.5 mm long, acute or obtuse, tomentose; corolla violet, 6–8 mm long, lobes oblong-ovate or ovate-lanceolate, 5–6 mm long, pubescent outside as on calyx; filaments short, anthers lanceolate, narrowed upward, 4 mm long; ovary glabrous.
• Berry red, globose, 6–10 mm across, glabrous; fruiting pedicel 1–2.5 cm long, tomentose to glabrate; fruiting calyx stellate hairy; seeds reniform or discoid, 3 mm across.
• The plants from Taiwan correspond to <i>Solanum luzoniense</i> var. <i>glabrum</i> Merrill, Philipp. J. Sci. 13: 59. 1918, which may be specifically distinct from the typical variety.

物候

Flowering and fruiting throughout the year.

分布

• 台灣 : recorded from near the sea on the offshore islands of Lanyu and Botel Tobago.
• 世界 : Restricted to Taiwan and the Philippine Islands.

引證標本

TAITUNG: Lanyu Is., Leu 2118.

參考文獻

• William G. D'Arcy and Peng, Ching-I. 1998. Flora of Taiwan, second edition 4: 567. (Fl. Taiwan 2nd edit.)