Pontederia vaginalis

鴨舌草

Pontederia vaginalis Burm.f.

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

Burm.f. 1768. Nicolai Laurentii Burmanni Flora Indica 80. (Fl. Indica)

異名與其在台灣首次使用的文獻

Monochoria vaginalis (Burm. f.) Presl

Henry. 1896. A List of Plants from Formosa 95. (List Pl. Formos.)
Monochoria vaginalis (Burm.f.) Presl var. pauciflora Merr.

Sasaki. 1928. List of plants of Formosa 102.
Monochoria vaginalis (Burm.f.) Presl var. plantaginea Solms

Forbes & Hemsl. 1903. The journal of the Linnean Society of London. Botany 36: 150. (J. Linn. Soc., Bot.)

各語言俗名

中

鴨舌草、小水蔥、福菜、鴨嘴菜、田芋仔、學菜、復菜仔
台

Ah chìh chháu、Tin chhài、Chhân ō á、Hák chhài
客

Ap sat cò
日

こなぎ

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh. 2010. Taiwania 55(2): 158.
Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
W. C. Lin. 2005. Wild flowers of Taiwan - the 1300 species found in the lower elevation. (Wild flowers of Taiwan)
Hsiao-Ting Wu. 2007. Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county. Master thesis. National Pingtung University of Science and Technology. (Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county.)
Ciou & Pong. 2008. Illustrations of Hakka ethnobotany of Taiwan 112. (Illustration of Hakka ethnobotany of Taiwan)
Chang-Yang, Su, Chiang & Hsieh. 2022. Taiwania 67(1): 1.

特徵描述

生活型

herb

形態特徵

Roots without hairs, usually light purplish blue. Stems usually inconspicuous, obliquely erect.
Leaves radical or spirally arranged, entire, apex usually acuminate, with many parallel veins connected by cross-veins; submersed leaves linear or subspatulate, acute; floating leaves narrowly lanceolate, petiolate; base of emergent leaves narrowly cordate, apex acute; petiole with a broad sheath at base.
Inflorescences with 2-21 flowers; peduncle 2-10 mm long; bracts obovate, apex aristate, 1.5-3 cm long, 6-12 mm wide. Flowers pedicellate; perianth segments 6, oblong, purplish blue, 8-12 mm long, 2-3.5 mm wide, persistent.
Fruit ellipsoid, ca. 8 mm long. Seeds oblong, with 8-12 longitudinal ribs.

分布

台灣 : in rice fields and swamps throughout.
世界 : Java, Malaysia, the Philippines, the Ryukyus and Japan.

引證標本

TAIPEI: Shihlin, Shimada s. n. Jul 1918; Keelung, Sasaki s. n. Sep 1928. ILAN: Hushihchun, Yang 205a. TAOYUAN: Tachi, Yang 155; Hsinwu, Yang 156. TAICHUNG: Puli, Yamamoto s. n. Oct 1929. NANTOU: Sun Moon Lake, Yang 206. PINGTUNG: Pingtung, Matuda s. n. Apr 1915.