生活型

shrub

形態特徵

• Armed shrubs to 2 m tall, much branched, pubescent with dense, stalked, 5–11- rayed stellate hairs; prickles yellow, recurved to 7 mm long.
• Leaves unequal-paired, ovate, 5–8(–11) long, 2–7(–8.5) cm wide, apex obtuse or acute, base cordate or truncate, 5–7-sinuate lobed, upper surface tomentose with short-stalked, stellate hairs, lower surface with long-stalked hairs and straight needlelike prickles; petiole 1.5–4 cm long.
• Inflorescences extra-axillary, scorpioid racemes, 2–6 cm long, sparingly branched; peduncle 1.5 cm long; pedicel 4–15 mm long. Calyx 4–7 mm long, lobes lanceolate, 3–5 mm long, unequal, pubescent and prickly; corolla blue-purple or white, rotate, 1–2 cm long, lobes ovate or ovate-lanceolate, 2–5 mm long, obtuse; filaments 1 mm long, anthers oblong, 5–6 mm long; style stellate pubescent.
• Berry shiny orange, globose, 0.8–1.3 cm across; fruiting pedicel 1–2 cm long; fruiting calyx reflexed; seeds subdiscoid, 2 mm across.

分布

• 台灣 : a common weed in the south at low elevations.
• 世界 : Widespread in tropical Asia.

引證標本

TAIPEI: Tanshui, Ho 577; Hsintien, Ho 390. ILAN: Wuchieh, Wang 1491. TAOYUAN: Yungan, Kao 8774. HSINCHU: Hengshan, Peng 12268; Hsiangshan Farm, Peng 3283. TAICHUNG: Fengyuan, Leu 1026; Takeng, Wang 285. NANTOU: Hsinyi to Hoshe, Leu 1068. KAOHSIUNG: Mori s. n. 1908. PINGTUNG: Kaoshu, Kao 10192; Hengchun, D’Arcy 19285. TAITUNG: Lanyu Is., Chang 9093.

參考文獻

• William G. D'Arcy and Peng, Ching-I, Flora of Taiwan, second edition 4: 578.. 1998.  (Fl. Taiwan 2nd edit.)