生活型

herb

形態特徵

• Erect annual or biennial herbs, with multicellular glandular hairs, 15–18 cm tall. Radical and lower caline
• Leaves elliptic to broadly ovate, 1–2 cm long, 7–12 mm wide, base rounded, margins toothed, petiole 1–2 cm long; upper Leaves sessile, ovate-orbicular, margins toothed, with reddish brown spots on both surfaces.
• Flowers axillary, 4–5 mm across, white, short pedicellate; calyx 2–3 mm long.
• Capsules globose, with many small seeds.

分布

• 台灣 : fields at low elevations in the north.
• 世界 : Southern Japan, the Ryukyus, mainland China.

引證標本

TAIPEI: Chihsingshan, Chuang 2773; Wutsushan, Nakamura 4059. TAOYUAN: Pintintahu, Simada 1148; Taoyuan, Sasaki s. n. 1909.

參考文獻

• KAO, Muh-Tsuen and PENG, Ching -I, Flora of Taiwan, second edition 4: 76. 1989.  (Fl. Taiwan 2nd edit.)