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Grass Gallery
Poaceae, Pooideae, Bromeae - Brome
(Family, Subfamily, Tribe)
tribe Bromeae
Rescuegrass Bromus catharticus (Bromus brevis, Bromus haenkeanus, Bromus unioloides, Bromus willdenowii)
Tight flat spikelets, about 1" long, short awns. Thin stiff culm, with wide spaced drooping branches.
Photos taken in Taylor County, Texas, April 2005, May 2007
(Introduced from South America - Taylor, Jones, Callahan, Brown)
Base: Annual, no rhizomes, no stolons (runner stem)
Blade (leaf): 5-12mm wide, yellow band at sheath
Sheath: can be glabrous or densely hairy
Culm (main grain stem): 50-80cm tall
Inflorescence: open drooping branches
Spikelet: flat, spear shaped, 6-12 florets
Glume: awnless
Lemma: laterally flattened and sharply keeled, 1-3mm awn
Similar Species
Field Brome Bromus arvensis (Bromus japonicus)
Tight rounded spikelets. Upper lemmas have 8-13mm long awns. Erect culm, kinked branches and pedicels. Hairy sheaths.
(Introduced, native of Europe and Asia - Taylor, Callahan, Eastland, Brown)
Hairy Brome (Hairy Woodland Brome) Bromus pubescens (Bromus purgans)
Very tight round spikelets, short to medium awns. Thin nodding culm, drooping branches. Closed sheath, hairy. Grows in wet-lands.
(Native of Texas - not in my area)
Rye Brome Bromus secalinus
Looks like B. japonicus. Check book for list of differences.
(Introduced from Mediterranean - not in my area)
Other Species In Texas - looks like a cross with Threeawn
Ripgut Brome Bromus diandrus ssp. rigidus
Very long round spikelets, long awns. Stiff culm, short to medium stiff branches. (upright fan)
(Introduced from Mediterranean - not in my area)
Poverty Brome Bromus sterilis
Long thin spreading spikelets, very long awns. Stiff culm, with clumping drooping branches.
(Introduced from Mediterranean and Europe - not in my area)
Downy Brome (Cheatgrass) Bromus tectorum
Long thin tight spikelets, hairy, very long awns. Thin nodding culm, with clumping drooping branches.
(Introduced, native of Europe and Asia - not in my area)
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