Contains 13 accepted taxa overall.
Characteristics
Classification
Citation
BROMUS Linnaeus, Sp. Pl. 76. 1753.
-
TYPE: Bromus secalinus Linnaeus Lectotypified by Nash, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 274. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Bromus arvensis | Field Brome | |||
| Bromus catharticus var. catharticus | Rescue Grass | |||
| Bromus commutatus | Hairy Chess, Meadow Brome | |||
| Bromus hordeaceus ssp. hordeaceus | Soft Chess, Lopgrass | |||
| Bromus inermis | Smooth Brome, Hungarian Brome, Awnless Brome | |||
| Bromus japonicus | Japanese Chess, Japanese Brome | |||
| Bromus nottowayanus | Satin Brome, Nottoway River Brome, Virginia Brome | |||
| Bromus pubescens | Common Eastern Brome, Canada Brome | |||
| Bromus racemosus | Smooth Brome | |||
| Bromus rigidus | Ripgut Brome, Ripgut Grass | |||
| Bromus rubens | Foxtail Chess, Red Brome | |||
| Bromus secalinus | Cheat, Common Chess, Rye-brome | |||
| Bromus tectorum | Downy Brome, Downy Chess, Downy Cheat, Junegrass, Cheatgrass. |
Identification Key
1. Spkelets strongly laterally compressed; lower glume with 5-7(9) veins; lemma strongly keeled, awns absent or to 3.5 mm long; leaf sheath densely hairy
1. Spikelets terete to slightly compressed; lower glume with 1-5 veins; lemma rounded, the awns absent or 1-13 mm long; leaf sheath hairy or glabrous
2
2. Lower leaf sheaths glabrous or glabrate; lemmas 6.5-8.5(10) mm long
2. Lower leaf sheaths uniformly hairy; lemmas 7-12 mm long
3. Lower glume with 1 vein
4
3. Lower glume with 3-5 veins
5
4. Perennial; lemma awns (3)4-7(8) mm long, arising <1.5 mm below lemma tip
4. Annual; lemma awns 10-18 mm long, arising 1.5 mm or more below lemma tip
5. Lemma 8-12 mm long, 1.7-2.6 mm wide, awns 3-10 mm long, straight, arising <1.5 mm below lemma tip
5. Lemma 7-9 mm long, 1.2-2.2 mm wide, awns 8-13 mm long, divergent to erect, arising >1.5 mm below lemma tip
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||