Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Jointed Goatgrass - Aegilops cylindrica

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Cool season, annual bunchgrass. Stems 25–50 cm. Leaves: blades 2–5 mm wide, flat and lax; sheaths with overlapping margins; ligule membranous. Inflorescence a 2-sided but cylindrical spike 5–15 cm long. Spikelets 8–14 mm long, one per node, partially to completely embedded within the rachis, usually comprising several florets; glumes broad and asymmetrical, usually awned by extension of the eccentric midrib, especially on the distal-most spikelets. Lemmas similar to glumes, awnless to awned especially on the distal-most spikelets; palea well developed. Disarticulation below the glumes; unit of dispersal the spikelet and internode of the adjacent inflorescence rachis (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout the U.S. except in the southeast (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Disturbed settings including in and around crop fields where wheat is commonly cultivated (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Jointed Goatgrass — Aegilops cylindrica.  Montana Field Guide.  .  Retrieved on , from