生活型

herb

形態特徵

• Culms slender, ca. 1.5 mm in diam.
• Blade linear, less than 10 cm long, 3 mm wide, basal margins with glandular hairs; ligule chartaceous, 1-2 mm long, truncate, minutely ciliate on upper part and back.
• Spikelets paired, dimorphic, with 2 pairs of empty spikelets at base, forming a compound false panicle, interrupted by involucres; each empty spikelet covered with long glandular hairs on lower glume. The upper pedicellate, 1 /2 its width of lower. Lower spikelet sessile, pubescent, ca. 5 mm long. Glumes coriaceous, as long as spikelet; lower linear-lanceolate, hirsute abaxially; upper oblong, 2-keeled, margins inrolled and glabrous; lower lemma membranaceous, lanceolate, acute, ca. 3 mm long; upper lemma minute, membranaceous, ca. 2.5 mm long, apex prolonged into a long and hispid awn ca. 3.5 mm long.
• Caryopsis ca. 3 mm long, oblong; embryo linear, 1/2 its length of caryopsis.
• This species is closely related to <i>Themedu triandra</i> Forssk, a widely distributed species of warm temperate and tropical regions worldwide.

分布

• 世界 : China, Korea and Japan.

引證標本

TAIWAN: Without locality or collectors name 15 Dec 1932.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 585. 2000.  (Fl. Taiwan 2nd edit.)