Arthraxon hispidus

藎草

Arthraxon hispidus (Thunb.) Makino

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

Makino, The Botanical magazine, Tokyo 26: 214. 1912. (Bot. Mag. Tokyo)

台灣首次記錄發表文獻

Honda, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 3: 324. 1930. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)

異名

Arthraxon pauciflorus Honda var. muticus Honda

Honda, The Botanical magazine, Tokyo 39: 277. 1925. (Bot. Mag. Tokyo)
Arthraxon hispidus Makino ssp. ciliaris (P. Beauv.) Masam. & Yamam.

Masam. & Yamamoto, Transactions of the Natural History Society of Formosa 31: 326. 1941. (Trans. Nat. Hist. Soc. Formos.)

各語言俗名

英

white heart leaf.
日

こぶなぐさ.

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

Annuals; culms weak, ascending and rooting at lower nodes.
Ligule membranaceous, ca. 7 mm long, ciliated; leaves amplexicaudal, cordate at base.
Inflorescence of weak 3-9 digitate racemes; rachis 2/3 as long as spikelet; pedicelate spikelet reduced to a 0.5 mm long pedicel. Sessile spikelets lanceolate, ca. 3.8 mm long, compressed; lower glume coriaceous, papillate, 5-7-nerved, nerves hispidulous, as long as spikelet; upper glume papery, margins membranaceous, 1-nerved, as long as lower glume; lower lemma lanceolate, palea wanting; upper floret awned, ca. 2.5 mm long, lemma hyaline, bifid at apex, awn ca. 0.7 mm long, arising from near base; palea hyaline, ca. 2 mm long.
Caryopsis slender, ca. 1.8 mm long.

分布

台灣 : common grass.
世界 : The Caucasus, India, China and Japan.

引證標本

TAIPEI: Shihlin, Hsu 1395; Taipei, Hsu 215; Hsiaokotou, Hsu 6S25*. HSINCHU: Shimda 401B. MIAOLI: Dahkuann, Hsu 576. NANTOU: Sun Moon Lake, Hsu 1325. CHIAYI: Alishan, Sasaki s n. Oct 1928. TAITUNG: Chaopu, Hsu 1084; Lanyu Is., Sasaki s. n. 3 Jun 1926, Kuoh 2677; Lutao Is., Hsu 306.