Poaceae

Smooth brome

Bromus inermis Leyss.

Family: Poaceae
Genus: Bromus

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Smooth brome (Bromus inermis) — FlowerPhoto: S Boisvert, CC BY 4.0, from iNaturalist

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Common names

By language (25)

Arabic: شويعرة لاشوكية, شويعرة ناعمة
arz: شويعره لاشوكيه
Belarusian: Каласоўнік безасцюковы
Bulgarian: Безосилеста овсига
Chinese: 无芒雀麦, 無芒雀麥, 雀麦, 普康雀麥, 普康雀麦
Czech: Sveřep bezbranný
Dutch: Kweekdravik
English: Smooth brome, Awnless brome
Estonian: Ohtetu luste
Finnish: Idänkattara, Rehukattara
German: Wehrlose Trespe, Unbegrannte Trespe, Unbewehrte Trespe
hsb: Tupa kostrjawa
Kazakh: Қылтықсыз арпабас
Lithuanian: Beginklė dirsė
Macedonian: Безосилеста класатка, Безосилеста класица
Mongolian: Соргүй согоовор
Norwegian Bokmål: Bladfaks
Norwegian Nynorsk: Bladfaks
nv: Bįįh tłʼoh
Polish: Stokłosa bezostna
Russian: Костёр безостый
Slovak: Stoklas bezosťový
Swedish: Foderlosta
Turkish: Kılçıksız brom
Ukrainian: Стоколос безостий

Synonyms

Bromopsis australis (Zherebina) Tzvelev & Prob.
Bromopsis inermis (Leyss.) Holub
Bromopsis inermis subsp. aristata (Schur) Tzvelev
Bromopsis inermis subsp. australis (Zherebina) Soskov & Sinjakov
Bromopsis inermis subsp. reimannii (Asch. & Graebn.) Dostál
Bromopsis inermis var. aristata (Schur) Tzvelev
Bromopsis inermis var. hirta (Drobow) Tzvelev
Bromopsis inermis var. malzevii (Drobow) Tzvelev
Bromopsis inermis var. pellita (Beck) Tzvelev
Bromopsis probatovae Tzvelev
Bromus erectus Turcz. ex Griseb.
Bromus erectus var. laxus (Hornem.) Heynh.
Bromus erectus var. laxus (Hornem.) Döll
Bromus glabrescens Honda
Bromus inermis f. aristatus Drobow
Bromus inermis f. bulbiferus J.W.Moore
Bromus inermis f. glabratus Drobow
Bromus inermis f. inermis
Bromus inermis f. laxus (Hornem.) Junge
Bromus inermis f. muticus Drobow
Bromus inermis f. pellitus (Beck) Todor
Bromus inermis f. proliferus Louis-Marie
Bromus inermis f. pubescens Litv. ex Ganewin
Bromus inermis f. villosus (Mert. & W.D.J.Koch) Todor
Bromus inermis f. villosus (Mert. & W.D.J.Koch) Fernald
Bromus inermis subsp. australis Zherebina
Bromus inermis subsp. inermis
Bromus inermis subsp. reimannii (Asch. & Graebn.) Soó
Bromus inermis subsp. reimannii (Asch. & Graebn.) Soó
Bromus inermis var. aristatus Schur
Bromus inermis var. contractus Rohlena
Bromus inermis var. divaricatus Rohlena
Bromus inermis var. flexuosus Drobow
Bromus inermis var. giganteus Dobrocz. & Nyár.
Bromus inermis var. glaber Trautv.
Bromus inermis var. grandiflora Rupr.
Bromus inermis var. hirsutus Čelak.
Bromus inermis var. hirtus Drobow
Bromus inermis var. inermis
Bromus inermis var. latifolia Podp.

and 37 more.

Flowers

In flower: June to July (from 523 flowering iNaturalist observations worldwide)
Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Alaska: introduced, Alaska: native, Canada: introduced, Canada: native, Greenland: introduced, Lower 48 states: introduced, Lower 48 states: native, St. Pierre and Miquelon: introduced, St. Pierre and Miquelon: native

Photos

FlowerPhoto: S Boisvert, CC BY 4.0, from iNaturalist
FlowerPhoto: Bob Miller, CC BY 4.0, from iNaturalist
FlowerPhoto: Desiree L. Narango, CC BY 4.0, from iNaturalist
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
FruitPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist
Photo: Dustin Snider, CC BY 4.0, from iNaturalist
Photo: AfroBrazilian, CC BY-SA 3.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Jason Grant, CC BY 4.0, from iNaturalist
Photo: AnRo0002, CC0, from Wikimedia Commons
Photo: Chris Fluit, CC BY 4.0, from iNaturalist
Photo: AnRo0002, CC0, from Wikimedia Commons

More in Bromus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.