Ottelia alismoides

水車前草

Ottelia alismoides (L.) Pers.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Pers. 1805. Synopsis Plantarum 1: 400. (Syn. Pl.)

台灣首次記錄發表文獻

Hayata. 1915. Icones Plantarum Formosanarum 5: 210. (Icon. Pl. Formos.)

各語言俗名

中

水車前草、龍舌草、水車前
日

みずおおばこ

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
Yuen-Po Yang, Shen-Horn Yen & Chung-Kang Lin. 2001. Illustrated Guide to Aquatic Plants of Taiwan. (Ill. Guide Aquatic Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Annuals or perennials.
Leaves ovate or cordiform, green. Spathes to 4 cm long, 6-veined, with prominent crispate wings or wings entire, undulate or with few spines, apex deltoid.
Pedicel triangular, glabrous or spiny; sepals elliptic, green; petals obovate, apex light purple, yellow near base, striate, with 5 wrinkles, 2.5-3.5 cm long, 1.7-1.9 cm wide; stamens 3, opposite sepals; anthers narrowly oblong, yellow; ovary 2.5-3.5 cm long; styles 3, occasionally 4 or 6, each with 2 unequal stigmas.
Fruit narrowly ellipsoid, 2-4.5 cm long. Seeds numerous, ovoid, pubescent.

分布

台灣 : submersed in still or running water in the north and center.
世界 : Australia, Malaysia, the Ryukyus to Japan.

引證標本

TAIPEI: Taipei, Sasaki s. n. Aug 1916; Shihlin, Yang 113. HSINCHU: Tamaopu, Shimada s. n. Dec 1915; Hukou, Yang 177. TAOYUAN: Chungli, Yang 175. TAICHUNG: Taichung, Chang s. n. Jun 1970. YUNLIN: Touliu, Shimada s. n. Oct 1915.