Aira praecox hairgrass Poaceae AIPR*; Bx, pb (DeCandido 2001);

Aira praecox (early hairgrass). JC Schou. Foto © Biopix. biopix.nl

Aira praecox (early hairgrass). JC Schou. Foto © Biopix. biopix.nl (Accessed 7/2017).

Aira praecox annual grass, 5-20 cm tall, stems tufted. 

Leaves alternate, blades 0.5–5 cm long, less than 0.05 cm wide, twisted, edges rolled inward, rough-textured ; ligule membranous, 0.2–0.3 cm long (Clayton et al. 2002+). 

Aira praecox (early hairgrass). © Copyright Malcolm Storey 2011-2117 · 1. Discover life. discoverlife.org

Aira praecox (early hairgrass). © Copyright Malcolm Storey 2011-2117 · 1. Discover life. discoverlife.org (Accessed 7/217).

Flower spikelets 2-flowered, yellowish, shiny, stalk shorter than spikelet, glumes about 0.3 cm long, membranous, persistent, lemmas slightly shorter than glumes, tips 2-toothed, both awned from below middle, awn 0.3-0.4 cm; inflorescence spike-like with short appressed branches; blooms and fruits May-June. 

Wetland status: NL. 

Frequency in NYC: Very infrequent. 

Origin: Europe. 

Habitat: Dry, sandy, open soil.