Caldesia grandis

圓葉澤瀉

Caldesia grandis Samuel.

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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Samuel., Svensk Botanisk Tidskrift 24: 116. fig. 1, a, b. 1930. (Svensk Bot. Tidskr.)

Caldesia parnassifolia (Bassi ex auct. non L.) Parl.

Lai, Taiwania 21(2): 267. 1976.

無

herb

Glabrous herbs, often bearing whorls of turions (vegetative reproductive structures) on inflorescence axis.
Leaves radical, 6-7 cm long, 6-8 cm wide, ribbed, with 9-11 nerves converging at both ends; petiole 30-55 cm long, 3-6 mm in diam., narrowly winged toward base. Inflorescences few or solitary, panicles, 40-60 cm long.
Flowers bisexual, verticillate in fascicles of 3, bracts lanceolate, acuminate; pedicel 1.2-2 cm long; sepals green, ovate, 3-4 mm long, reflexed, persistent; petals white, spatulate, 6-8 mm long, reflexed; anthers basifixed; carpels 15-17, with longitudinal ribs, style slender, 1.5 mm long.
Achenes with a long curved beak.