生活型

herb

形態特徵

• Annual ascending or decumbent herbs, 15–40 cm tall; stems much branched, glabrous; nodes base retrorsely glandular pubescent, slightly enlarged.
• Leaves ovate, 1.5–5 cm long, 0.5–2 cm wide, apex acute to acuminate, base attenuate, both surfaces loosely to moderately pilose, lower surface glandular; petioles winged, 0.4–1 cm long; ocreae tubular, 0.3–0.5 cm long, glabrous, pilose at base, upper margins eciliate.
• Inflorescences 1–3-flowered fascicles in corymb, terminal or axillary, densely flowered, 1.5–3 cm long; peduncles glandular pubescent, 0.5–2 cm long; bracts lanceolate, glabrous, apex acuminate, upper margins eciliate. Flower white to pink; pedicels included; perianth segments 4 to 5, elliptic, 3–5 mm long, apex acute; stamens 5–6; styles 2-cleft, included.
• Achenes dark brown, lenticular, punctate, not shining, ca. 2 mm long.

分布

• 台灣 : in wet and shady places at altitudes between 1,500 and 2,700 m.
• 世界 : Tropical N Africa, Pakistan, India, the Himalayas, China (except Xinjiang), Thailand, Indonesia, Malaysia, New Guinea, the Philippines, Korea, Japan and Russian Far East.

引證標本

MIAOLI: Hsiaohsuehshan, Wang et. al. 4971. NANTOU: Yunghai, Huang 1159. CHIAYI: Tungpu, Hsu 3953. PINGTUNG: Huang 7454. HUALIEN: Panpien, Shimizu 11362.

參考文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 306. 1996.  (Fl. Taiwan 2nd edit.)