生活型

herb

形態特徵

• Annual herbs to 80 cm tall; stems erect, simple or much branched, with branches ascending, farinose.
• Pedicel 5-25 mm long, ovate to lanceolate, 1-4 cm long, 5-25 mm wide, trinerved near base, obtuse to apiculate at apex, acute to broadly obtuse at base, entire, farinose when young.
• Inflorescence a terminal leafy panicle of spikes, 4-18 cm long; tepals 5, ovate, ca. 1 mm long, ridged near central green band.
• Utricles depressed-globose, smooth; seeds oriented horizontally, dull black,

分布

• 台灣 : waste ground along sheshores and rivers.
• 世界 : Eastern China, Japan, Korea, Ryukyus, Vietnam, and the Philippines.

引證標本

TAIPEI: Paisawen, Huang 4994; Shihmen, Hsu & Hsu 4768. KEELUNG: Pengchiayu, Huang et al. 15746. HSINCHU: Nanliao, Chuang 2558; Shanshiao, Wang 803. MIAOLI: Tongshiau, Kao 5701. CHANGHUA: Lukang, Kuoh 1615; Tachen, Huang 2060. TAINAN: Tainan, Liu s. n. KAOHSIUNG: Tsoying, Lin 596. PINGTUNG: Fontsuesa, Hu & Yang 620. TAITUNG: Lanyu, Huang 7015; Lutao, Hsu 4932. HUALIEN: Taroko, Kao 4098.

參考文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 384. 1996.  (Fl. Taiwan 2nd edit.)