生活型

herb

形態特徵

• Prostrate or decumbent, perennial herbs; stems angular, pubescent.
• Leaves opposite, ovate to nearly reniform, with pellucid dots, 1–3 cm long, 1–1.5 cm wide, apex rounded or acute, base rounded or cuneate; petiole 4–8 mm long.
• Flowers axillary, yellow, 5–7 mm across; pedicel 3–8 mm long, pubescent; sepals 5, linear-lanceolate, pubescent; corolla lobes obovate, 5–7 mm long, with pellucid dots, without black dots on corolla lobes.
• Capsules brown, globose, pubescent, shorter than calyx, longitudinally dehiscent; seeds black.

物候

Flowering mostly in Feb-April.

分布

• 台灣 : in fields and roadsides from lowlands to mid elevations, in the center and north.
• 世界 : Japan, the Ryukyus, Malaysia and SE China.

引證標本

TAIPEI: Yangmingshan, Liu 222; Nankang, Peng 9353. KEELUNG: Wutu, Peng 12986; Hoping Island, Wang 925. HSINCHU: Shihtoushan, Peng 14841. NANTOU: Lushan, Kao 7954; Sun Moon Lake, Kuo 8853.

引用文獻

• KAO, Muh-Tsuen and PENG, Ching -I, Flora of Taiwan, second edition 4: 70. 1989.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)