Trisetum spicatum var. formosanum

台灣三毛草

endemic

Trisetum spicatum (L.) Rich. var. formosanum (Honda) 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, Journal of Japanese Botany 17: 443. 1941. (J. Jpn. Bot.)

台灣首次記錄發表文獻

同發表文獻

異名

Trisetum subspicatum (L.) P. Beauv.

Hayata, The Botanical magazine, Tokyo 21: 55. 1907. (Bot. Mag. Tokyo)
Trisetum formosanum Honda

Honda, The Botanical magazine, Tokyo 41: 636. 1927. (Bot. Mag. Tokyo)

各語言俗名

英

Formosan oat grass.
日

たいわんかにつりぐさ.

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

Perennials, densely tufted; culms erect, 10-50 cm tall, 1-2 mm in diam., ligule membranaceous, tongue shaped, 3 mm.
leaf blade 10-15 cm long, 5 mm wide.
Panicle contracted, nearly cylindrical, 10-15 cm long. Spikelet 2-3-flowered, 7 mm long, rachilla joints 1 mm long.
glumes chartaceous, lanceolate, lower glume 5 mm long, 1-nerved, upper glume 7 mm long, 3-nerved; lemma 6 mm long, chartaceous, lanceolate, acuminate, awn arising from near apex, 3-6 mm long, weakly geniculate; palea membranaceous, linear, 5 mm long, ciliate on keel, apex bifid. Anther 1 mm long.

分布

台灣 : Variety <i>formosanum</i> is endemic to Taiwan in alpine region.
世界 : <i>T. spicatum</i> is a variable species widely distributed in artic and slpine regions of both northern and southern Hemispheres.

引證標本

ILAN: Nanhutashan Shiachuienku, Lu 23397; Nanhutashan, Suzuki s. n. July 17, 1937. HSINCHU: Tapachienshan, Kuoh 3286; Hsu 12199. TAICHUNG: Tahsueshan, Kuoh G283; Hsuehshan, Lu 20024. NANTOU: Hohuanshan Chen 16019; Nengkaoshan, Kudo & Mori 138; Tsuifeng, Hsu 11570. CHIAYI: Morrisonshan, Suzuki s. n. 11 Jul 193; Hsu 1106. KAOHSIUND: South cross highway Tienchi, Kuoh 12035. TAITUNG: Chiaminghu, Chen 15084. HUALIEN: Chilaishannanfeng, Suzuki s. n. 24 Aug 1929.