生活型

herb

形態特徵

• Dioecious perennial herb with a slender running rhizome, 15–50 cm tall; stems slender, erect to procumbent, sometimes branched.
• Stem leaves few, acid-tasting; basal leaves hastate with distinct lobes directed outward, 2–6 cm long, 4–20 mm wide, central lobes linear to lanceolate, basal lobes entire or sometimes divided.
• Inflorescence paniculate, flowers small, ca. 2 mm long, inner perianth segments not expanded after anthesis; valves about the same size of the fruit (ca. 2 mm long) and without tubercles.
• achenes broadly ellipsoid , brown, slightly shining.

分布

• 台灣 : acid soils of waste ground and meadows.
• 世界 : Native to Eurasia, now widely distributed in the temperate regions of the northern hemisphere.

引證標本

TAIPEI: Tatunshan, Hsu 11473. TAICHUNG: Meifong, Kao 9332. NANTOU: Kuankao to Chunyangchin-kuang, Huang, Yang & Hsieh 5304; Tentzu to Yinhai, Hsieh 5869. CHIAYI: Alishan, Hsu 6736; Rwanpien, Huang 2532.

參考文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 314. 1996.  (Fl. Taiwan 2nd edit.)