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FOC | Family List | FOC Vol. 22 | Poaceae | Microchloa

1. Microchloa indica (Linnaeus f.) P. Beauvois, Ess. Agrostogr. Expl. Pl.,13. 1812.

小草 xiao cao

Perennial, or sometimes annual. Culms tufted, usually densely, very slender, wiry, up to 60 cm tall. Basal leaf sheaths disintegrating into fibers; leaf blades very narrowly linear, 1–6 cm, ca. 1 mm wide, adaxial surface usually with long scattered hairs, margins scabrous, midrib and submarginal veinsthickened, apex obtuse; ligule 0.1–0.3 mm. Raceme (3–)5–20(–25) cm, falcate when dry; rachis shortly ciliate on margins or glabrous. Spikelets light green, lanceolate, 1.6–4 mm, acute; lower glume slightly asymmetrical; lemma 1.5–3 mm, mucronate. Caryopsis ca. 1 mm. Fl. and fr. Jul–Oct.

Dry open places, on very stony soils, rock crevices; sea level to 2500 m. Guangdong, Hainan, Yunnan [throughout the tropics].

1 Plants up to 25 cm tall; raceme 0.8–1 mm wide; spikelets 1.6–3 mm.   1a var. indica
+ Plants 25–60 cm tall; raceme 1–1.5 mm wide; spikelets 2.5–4 mm.   1b var. kunthii


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