生活型

herb

形態特徵

• Ascending herbs, 10–20 cm tall; stems much branched, glabrous; nodes enlarged.
• Leaves sessile, linear-lanceolate, 1–2.5 cm long, 0.2–0.3 cm wide, apex acuminate, base cuneate to narrowly cuneate, both surfaces loosely pilose, especially on veins, often with sessile discoid glands beneath; ocreae tubular, 0.2–0.4 cm long, apex truncate, pilose, upper margins ciliate.
• Inflorescences 2–5-flowered fascicles in spike-like racemes, terminal or in axils of upper leaves, interrupted, 2–6 cm long, peduncles glabrous, 1–2.5 cm long; bracts funnelform, glabrous to loosely pilose, upper margins ciliate. Flowers pink; pedicels exserted; perianth segments 5, 1–1.5 mm long; stamens 5; styles 2-cleft, included; nectaries present.
• Achenes brown, plano-convex, smooth, shining, ca. 1.5 mm long.

分布

• 台灣 : in wet places at about 1,400 m altitude.
• 世界 : Northern Europe to northern Asia (NE China, Japan, Korea and Russian Far East).

引證標本

ILAN: Tayuanshan, Ou et al. 2692 (Type of P. ilanense).

參考文獻

• LIU, HO-YIH. 1996. Flora of Taiwan, second edition 2: 301. (Fl. Taiwan 2nd edit.)