生活型

herb

形態特徵

• Perennial herbs; stems decumbent or prostrate, rooting only at base, 5–20 cm tall, terete.
• Leaves narrowly elliptic or lanceolate, 1–3.3 cm long, 2–6 mm wide, sessile.
• Flowers perfect, solitary and axillary; pedicels 6–37 mm long; calyx lobes triangular, 1.5–3 mm long, minutely toothed; corolla unilabiate, 1–1.5 cm long, white or pink or pale purple; only lower two anthers with trichomes at apex.
• Fruit a capsule, 4–7 mm long; seeds ellipsoid, compressed.
• Chromosome number n = 7, 21.

分布

• 台灣 : in wet to moist grasslands and rice paddies; 100–650 m.
• 世界 : Widely distributed in eastern Asia, from India and Sri Lanka to Japan and Indonesia.

引證標本

TAIPEI: Shiting, Peng 5015. ILAN: Sanshin, Yamamoto 3755. HSINCHU: Shanchiao, Peng et al. 10382. MIAOLI: Shihtan, Peng et al. 13944. TAICHUNG: Houli, Hsu 4709. NANTOU: Lienhuachih, Yamamoto & Mori s. n. 1932. YUNLIN: Huwei, Ashiri 2498. TAITUNG: Pinan, Suzuki 5496. HUALIEN: Mataian, Suzuki 5282.

參考文獻

• LAMMERS, Thomas G., Flora of Taiwan, second edition 4: 789. 1998.  (Fl. Taiwan 2nd edit.)