生活型

herb

形態特徵

• Culms slender, tufted; plant dwarf.
• Blade linear-lanceolate, ca. 7 cm long, 2 mm wide; mouth of sheath silky hairy; ligule ca. 0.2 mm long, upper half fringed with hairs.
• Inflorescence a spike, ca. 5-6 cm long. Spikelets usually 3-flowered, ca. 4 mm long; glumes chartaceous, 1-nerved; lower glume deltoid-lanceolate, ca. 1.8 mm long, scabrous along nerves; upper glume lanceolate, ca. 3.2 mm long; lemma ca. 2.5 mm long, chartaceous, 3-nerved, lateral nerves extending into 2-teeth, midrib prolonged into a short awn; palea elliptic, ca. 2.6 mm long, 2-keeled, scabrous along keels, awned from keels; anther of ca. 0.8 mm long.
• Caryopsis ca. 1 mm long, elliptic; embryo 2/3 its length of caryopsis.

分布

• 台灣 : local in the south; rare.
• 世界 : China and eastern Siberia.

引證標本

PINGTUNG: Pingtung, T. Ito s. n. 21 Jun 1916 (TI); Nanhuei Railroad, Leon s. n. Aug 2000*.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 427. 2000.  (Fl. Taiwan 2nd edit.)