Microstegium glaberrimum

短軸莠竹

endemic

Microstegium glaberrimum (Honda) Koidz.

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

Koidz., The Botanical magazine, Tokyo 43: 394. 1929. (Bot. Mag. Tokyo)

台灣首次記錄發表文獻

同發表文獻

異名

Pollinia glaberrima Honda

Honda, The Botanical magazine, Tokyo 39: 42. 1925. (Bot. Mag. Tokyo)

各語言俗名

英

Short jointed sasa grass.
日

ひなささがや.

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

Culms geniculate, ca. 1.5 mm across.
Blade ca. 7 cm long, 7 mm wide, nearly glabrous; ligule tongue-like, hispid abaxially, ca. 1.4 mm long; sheath glabrous.
Racemes 5-6, subdigitately arranged, ca. 5-6 mm long. Spikelets paired, monomorphic, upper pedicellate, lower sessile, ca. 3.2 mm long, longer than joint of rachis. Lower glume subcoriaceous, lanceolate, 2-keeled, ciliate along keels, furrowed abaxially, as long as spikelet; upper glume deltoid-lanceolate, 1-keeled, keel ciliate, margins inrolled, fimbriate, tipped with a slender awn nearly as long as glume; lower lemma sometimes present, linear, hyaline, 1-nerved, ending in a long slender awn of ca. 8 mm long. Upper floret minute; lemma ca. 0.2 mm long, with a flexuous awn of ca. 15 mm long; palea chartaceous, ovate, with a sinus or irregular at apex, ca. 0.5 mm long.
<i>Microstegium glaberrimum</i> may be only a form of <i>Microstegium ciliatum</i>.

分布

台灣 : hillsides.

引證標本

TAIPEI: Kuanyingshan, Hsu 587; Wulai, Hsu 71. MIAOLI: Nanchuang, Hsu 12901. TAICHUNG: Hsinshe, Oomuna 27. NANTOU: Chitou, Hsu 258. KAOHSIUNG: Shihshan, Hsu 13826. TAITUNG: Tsaopu, Hsu 1025; Lanyu Is., Sasaki s. n. 30 Oct 1934.