Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Hordeum murinum Linnaeus subsp. glaucum (Steudel) Tsvelev
(Wall Barley)

Family: Poaceae

Status: Exotic

Synonyms:
Critesion murinum (Linnaeus) Loeve
Hordeum glaucum Steudel
Hordeum stebbinsii Covas

Hordeum murinum subsp. glaucum is found in city sidewalks and around Silver City opportunistically. It is an annual distinguished by ciliate glumes on the center spikelets. The auricles are over 1mm long and the lemma of the central spikelet is nearly as long as those of the lateral ones.
Please click on an image for a larger file.

Hordeum murinum subsp. glaucum, photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

Hordeum murinum subsp. glaucum, spike, photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

Hordeum murinum subsp. glaucum, central and lateral spikelets (three spikelets per node), photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

Hordeum murinum subsp. glaucum, central spikelet with lateral spikelets dissected away showing ciliate glumes of central spikelet, photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

Hordeum murinum subsp. glaucum, auricles >1mm long, photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

Hordeum murinum subsp. glaucum, plant measured in lab, photo Russ Kleinman & Bill Norris, Silver City, May 21, 2010

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