Sium suave

細葉零餘子

Sium suave Walt.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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Walt., Flora Caroliniana, secundum 115. 1788. (Fl. Carol.)

Liu, Chao & Chuang, Quarterly journal of the Taiwan Museum 14(1-2): 213. pl. 11 & 14. fig. 32 & 19. 1961. (Quart. J. Taiwan Mus., 臺灣省博物館季刊)

W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan, 台灣的野花 - 低海拔篇1300種)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

herb

A perennial, stout, glabrous, erect herb, 60–120 cm high; lower part of stems with several whorls of fibrous, fascicled roots at the nodes; stems hollow, few branched.
Leaves oblong to ovate, oblong-lanceolate to linear, 3–10 cm long, 1–3 cm broad. Umbels compound, glabrous; involucres of 5–10-involucral bracts; bracts linear, 0.5–1 cm long, entire or rarely lobed, reflexed; rays 10–20, 2–3 cm long, subequal; involucels 5–10, linear-lanceolate, about 5 mm long.
Flowers white; calyx-teeth 5, small. Fruit ovoid to globose, 1–3 mm long and broad, the ribs distinct, corky-winged.
Vittae 1–3 in the interval, 3–4 on the commissure.

台灣 : Taiwan, in paddy fields, wet places or along stream banks.
世界 : Distributed in North America, eastern Europe, Siberia, northern China, Korea and Japan.