生活型

herb

形態特徵

• Annual or biennial, low, pubescent herbs; stems 5–15 cm long, erect from short-decumbent or ascending branched base, branches numerous.
• Leaves opposite below, alternate in inflorescence, ovate-orbicular or depressed-cordate, 6–10 mm long and wide, apex acute, base rounded, 5–7-lobed, terminal lobe slightly broader than others, short petiolate or upper leaves sessile.
• Flowers solitary in leaf axils, pedicel much longer than leaves; calyx herbaceous, sparsely ciliolate, 3–6 mm long, segments ovate, few-nerved, obtuse; corolla rose-purple, 3–4 mm across.
• Capsule reniform inflated ca. 6 mm across, puberulent, style persistent, ca. 1 mm long; seeds oblong, cup-shaped, ca. 1.2 mm long, slightly rugose.

分布

• 台灣 : in sunny fields at low elevations.
• 世界 : Europe, China, Japan, Korea and the Ryukyus.

引證標本

HSINCHU: Sintiku, Simada 911B*.

參考文獻

• LIU, Ho-Yih. 1998. Flora of Taiwan, second edition 4: 632. (Fl. Taiwan 2nd edit.)