生活型

herb

形態特徵

• Perennial ascending herbs to 40 cm long, often rooting at lower nodes; branches 4-angled, glabrous.
• Leaves opposite, slightly fleshy, sessile or subsessile, linear to linear-lanceolate, 1.5–4.5 cm long, 1.5–3.5 mm wide, apex acuminate, base cuneate, margin revolute, glabrous, uninerved; stipular sheath deltate, hirsute, with 3 or 5 bristles.
• Flowers 1–5 in axillary fascicles, pedicel 0–5 mm long; calyx ca. 3 mm long, lobes lanceolate, ciliate; corolla white, 3–4 mm long, glabrous; stamens inserted apex of tube, exserted; style ca. 3 mm long, exserted.
• Fruit ellipsoid-globose, ca. 3 mm long, ca. 2 mm across.

分布

• 台灣 : Taiwan, dry, waste fields and woods in lowlands.
• 世界 : Tropical Asia.

引證標本

TAIPEI: Shinshan, Chiang 1504; Hsiaokotou, Huang 269. ILAN:Ilan, Hsu et al. 8358; Wuhouchi, Kao 6287. TAOYUAN: Chiaopanshan, Suzuki 4727. NANTOU: Chitou, Kuoh 3925; Nankao, Huang & Kao 6038. CHIAYI: Chiaoliping, Yang 3520. PINGTUNG: Chaioloushiu, Huang 9611. TAITUNG: Lanyu, Huang et al. 9391. HUALIEN: Fengping, Huang & Huang 14136.