Paspalum conjugatum

兩耳草

naturalized

Paspalum conjugatum Bergius

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

Bergius. 1772. Acta Helvetica, Physico-Mathematico-Anatomico-Botanico-Medica 7: 129. (Acta Helv. Phys.-Math.)

台灣首次記錄發表文獻

Hsu. 1971. Taiwania 16: 291.

各語言俗名

中

兩耳草、毛穎雀稗、雙穗雀稗、澤雀稗、大肚草
台

Sang pán to、Tōn pán chháu、Thih sòan chháu
英

Sour grass、Buffalo grass、Carabao grass、Sour paspalum、Hilo grass、T grass
日

すずめのながひえ

參考文獻

Chen. 2006. The Invasive Alien Plant in Miaoli 302. (Invas. Al. Pl. Miaoli)
Wu, Yang, Teng, Chang, Yang and Hsieh. 2010. Taiwania 55(2): 157.
Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Perennials, with long stolons; culms compressed, nearly solid; ligule a ring of hairs.
Inflorescence of a pair of racemes, racemes slender, 6-12 cm long, rachis 0.8 mm wide, serrate; pedicels ca. 1 mm long; spikelets in 2 rows. Spikelets 2-flowered, solitary, ovate, slightly acute, 1.5-1.8 mm long; lower glume absent; upper glume and lower lemma similar, thin, margins of upper glume delicately fringed with long silky hairs, hairs as long as spikelet; lower lemma flattened abaxially; upper lemma indurate, ovate, margins inrolled, as long as spikelet, palea indurate, acute, margins inrolled.
Caryopsis ca. 1.2 mm long, plano-convex, embryo 1/3 length of grain.

分布

台灣 : very common in shady places.
世界 : Originally from America, now widely naturalized in warm regions of the world.

引證標本

ILAN: Chiaochi, Hsu 833. TAIPEI: Kankou, Hsu 640. TAOYUAN: Neili, Hsu 1242. TAICHUNG: Kukuan, Hsu 669. NANTOU: Sun Moon Lake, Hsu 1349. CHIAYI: Chichou, Suzuki 4535. PINGTUNG: Kenting, Hsu 1098. TAITUNG: Ansou, Hsu 1044. HUALIEN: Yuli, Yamamoto 3050.