Sisyrinchium iridifolium

黃花庭菖蒲

naturalized

Sisyrinchium iridifolium Kunth

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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Kunth, Nova Genera et Species Plantarum (quarto ed.) 1: 324. 1815. (Nov. Gen. Sp. (quarto ed.))

Ying, A list of plants in Taiwan 385. 1982. (List Pl. Taiwan, 台灣植物名彙)

Sisyrinchium exile Bickn.

Yang, Yen & Lin, Illustrated Guide to Aquatic Plants of Taiwan 155. 2001. (Ill. Guide Aquatic Pl. Taiwan, 台灣水生植物圖誌)

herb

Roots fibrous, sometimes from a tuberous rhizome.
Leaves linear to ensiform, 8-28 cm long, 2-5 mm wide, apex acute to acuminate, base sheathing, chartaceous, entire, glabrous on both surfaces, greenish.
Scape erect to ascending, 10-20 cm long, glabrous or slightly pubescent; spathe lanceolate to broadly lanceolate, 3-5 cm long, 1-1.5 cm wide, apex acute to acuminate; bracts linear to lanceolate, 1-2 cm long, 4-5 mm wide, apex acute; flowers 3 to many; pedicel slender, 2-4 cm long, glabrous; perianth tube 2-3 mm long; tepals oblong-obovate, 7-12 mm long, 3-4 mm wide, blue-violet with a yellow base, with a truncate-emarginate, apiculate, more or less hairy; stamens 3, filaments monadelphous; staminal tube finely pubescent; style apex distinctly thickened, slightly 3-lobed.
Capsules globose-obovoid, 3-4 mm in diam.; brownish, more or less hairy; seeds minute, numerous.