Achyranthes bidentata var. japonica

日本牛膝

Achyranthes bidentata Bl. var. japonica Miq.

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

Miq., Annales Museum Botanicum Lugduno-Batavi 2: 132. 1865. (Ann. Mus. Bot. Lugd.-Bat.)

台灣首次記錄發表文獻

Hsieh & Hsieh, Flora of Taiwan, second edition 2: 391. pl. 182. 1996. (Fl. Taiwan 2nd edit.)

異名

Achyranthes japonica auct. non (Miq.) Nakai

Chuang & Kuo, Amaranth. Taiwan Publ. Bot. Dept. Natl. Taiwan Univ. 42. 1967.

各語言俗名

日

いのこずち.
台

Giû chhek.

參考文獻

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Perennial herb attaining 50–100 cm tall; stems and branches obtusely quadrangular, nearly glabrous.
Leaves opposite, petiolate, oblong, 10–20 cm long, 4–10 cm wide, acuminate at both ends, sparsely pubescent on both surfaces.
Inflorescence a terminal or axillary elongate spike, 5–20 cm long, usually loosely flowered; bracts membranaceous, ovate-deltoid, half as long as perianth; bracteoles subulate, shorter than perianth, basal auricles membranaceous, whitish, orbicular; pedicel horizontal in anthesis, deflexed in fruit; perianth denticulate.
Utricles oblong, ca. 2.5 mm long.

分布

台灣 : on forest floors throughout the island.
世界 : Widely distributed in China, the Ryukyus?, Japan and Korea and temperate and subtropical regions of southeastern Asia.

引證標本

TAIPEI: Wulai, Chuang 2307; Tatunshan, Kao 6877. ILAN: Nanshan, Kuoh 3109; Taipingshan, Suzuki 3937. NANTOU: Shantsetun, Hsu 5116; Hoshe, Suzuki 159. CHIAYI: Shihtzulu, Kao 5628. PINGTUNG: Machia, Huang & Kao 7395. TAITUNG: Is. Lanyu, Huang & Kao 5253; Chihpen, Kao 6811. HUALIEN: Chilai, Suzuki 1926.