Helictotrichon abietetorum

冷杉異燕麥

Helictotrichon abietetorum (Ohwi) Ohwi

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

Ohwi, Acta phytotaxonomica et geobotanica eng 6: 151. 1937. (Acta Phytotax. Geobot.)

台灣首次記錄發表文獻

Ohwi, Journal of Japanese Botany 17: 441. 1941. (J. Jpn. Bot.)

異名

Avena abietetorum Ohwi

Ohwi, Journal of Japanese Botany 17: 441. 1941. (J. Jpn. Bot.)

各語言俗名

英

Morrison oat-grass.
日

ほうらいのちやひき.

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

Perennials; culm tufted, 40-60 cm tall, 2 mm in diam., ligules chartaceous, fimbriate, 0.5 mm long.
leaf blade linear, plicate, 30-40 cm long, 4 mm wide; abaxial surface loosely hairy; sheath densely hairy.
Panicle narrow, 8-15 cm long, branches usually binate, each with 1 to 3 spikelets. Spikelets elliptic, 3-flowered, 12 mm long.
glume chartaceous, unequal; lower glume lanceolate, 1-nerved, 7 mm long, upper glume broadly lanceolate, 3-nerved, 9 mm long; callus hairy, rachilla ciliate; lemma broadly lanceolate, chartaceous, 7-nerved, 10 mm long, dorsally awned from near middle, awn flexuous; palea linear, chartaceous, 7 mm long, 2-keeled; keels minutely ciliate. Ovary hairy at apex.
In addition to the glabrous leaf blade, sheath and long callus hairs, lower glume of this species is much longer than that of <i>H. hideoi</i> Ohwi.

分布

世界 : China.

引證標本

ILAN: Nanhutashan, Hsu 6022; Chiliting, Hsu 5947. HSINGCHU: Tapachienshan, Kuoh 3268. Hsu 12130. TAICHUNG: Hsuehshan, Shimada 2612. CHAYI: Morrisonshan, Hsu 6245A, Koyama 23893. KAOHSIUNG: Kuanshan, Fukuyama s. n. 12 Jul 1935.