Chloris formosana

台灣虎尾草

Chloris formosana (Honda) Keng

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

Keng, Claves Generum et Specierum Graminearum Primarum Sinicarum Appendice Nomenclatione Systematica 197. 1957. (Claves Gen. Sp. Gram. Prim. Sinic.)

台灣首次記錄發表文獻

同發表文獻

異名

Chloris barbata Sw. var. formosana Honda

Honda, The Botanical magazine, Tokyo 40: 437. 1926. (Bot. Mag. Tokyo)

各語言俗名

英

Formosan peacock-plume.
日

しまうさしば.

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; culm bases branching and rooting.
sheath laterally compressed, keeled; ligule ca. 0.5 mm long.
Spikes digitately arranged at culm tip. Spikelets 3-flowered, ca. 2.5 mm long (excluding awn), sessile. Rachis ciliate, base of spikelet silky; glumes membranaceous, 1-nerved; lower glume ca. 1.5 mm long, lanceolate, acute; upper glume ca. 1.2 mm long, with a sinus at apex, midrib prolong into an awn; fertile lemma ovate, ca. 2.5 mm long, subcoriaceous, margins covered with silky hairs, midrib extending into a long awn arising from sinus; palea as long as lemma, rounded at apex, 2-keeled; sterile lemma coriaceous, truncate, with a sinus, 3-nerved, midrib prolonged into a long awn of ca. 1.6 mm long.
Caryopsis ca. 1.6 mm long, ellipsoid; embryo 3/4 their length of caryopsis.
The inflorescence is pale yellow and the sterile lemma is wedge shaped.

分布

台灣 : Local in lowlands, especially in coastal regions of southern Taiwan.

引證標本

TAIPEI: Chinkuashih, Hsu & Kuoh 10581. TAICHUNG: Wuchi, Nee s. n. 27 Sep 1970. CHIAYI: Tongshih, DeVol 8335. TAINAN: Tainan, Keng s. n. 25 Jul 1956. KAOHSIUNG : Kaohsiung, Nakahara 635. PENGHU: Hsu & Kuoh 14015, Huang & Kao 6862, TAITUNG: Lutao Is., Sasaki s. n. Jul 1935.