生活型

herb

形態特徵

• Stems erect or ascending, 5–25 cm tall.
• Leaves membranaceous, linear to linear-lanceolate, 3–10 mm long, 1–2 mm wide, apex acute, base cuneate. Pedicel 10–15 mm long.
• Calyx 3–4 mm long in flower, 5–6 mm long in fruit, glabrous or sparsely glandular-pilose; lobes linear-lanceolate. Corolla bluish purple, tube ca. 3 mm long, outside glabrous, inside ventral surface pilose; upper lip ca. 2 mm long, lower lip ca. 3 mm long.
• Capsule oblong, ca. 3 mm long.

分布

• 台灣 : shallow ponds and ditches in lowlands in the north.
• 世界 : Japan, Korea, central and northeastern China.

引證標本

TAOYUAN: Pate, Suzuki 2143; Taoyuan, Simada 26734.

引用文獻

• Liu, Ho-Yih, Flora of Taiwan, second edition 4: 588. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)