Secale cereale annual rye Poaceae SECE*; Bx, pb; Q; R, ar;

Secale cereale.R.A. Howard. @ USDA-NRCS PLANTS Database. ©Smithsonian Institution.

Secale cereale.R.A. Howard. @ USDA-NRCS PLANTS Database. Copyright © Smithsonian Institution. (Accessed 5/2014).

Secale cereale is an annual or biennial, C3 grass (Waller and Lewis 1979) 60 cm to 1.2 m tall, cm, usually pale gray-green, branched from base. 

Leaves alternate, flat, 0.3-0.7 cm wide. 

Flower spikelets 2-flowered, borne flat against the axis of the spike along either side; glumes 0.8-1.5 cm, keeled, hairy on keel and veins, lemmas 1-1.6 cm, awn 2-7 cm, at tip; inflorescence a spike, 6-15 cm long, stout, nodding, bristly. 

Wetland status: NL.

Frequency in NYC: Very infrequent.

 Origin: Eurasia.

Habitat: Planted for temporary erosion control on restoration sites. Generally not persisting. A poor competitor, soil pH 4.5-8.2 (USDA, NRCS 2010).