SafePlants

Rye Brome (Bromus secalinus)

Bromus secalinus, commonly known as rye brome, is a species of bromegrass with a complex history and distribution. This annual grass is often found as a weed in arable fields.

Considerations for Pets

• Rye brome is a grass, and some pets may be tempted to chew or ingest it.
• The plant has spikelets.
• The leaves can be rough.

Taxonomy and Nomenclature

• Scientific Name: Bromus secalinus
• Common Names: Rye brome, cheat, chess, chess brome, ryebrome
• Family: Poaceae (also known as Gramineae)
• Taxonomic Rank: Species (within the genus Bromus)
• Synonyms: The provided text uses "rye brome" as a synonym for other Bromus species, specifically soft and meadow brome (Bromus hordeaceus ssp hordeaceus and B. commutatus).

Distribution and Habitat

• Native to Eurasia.
• Well-known and widespread in many other parts of the world, including North America, Australia, and parts of South America, where it has been introduced.
• Predominantly found in arable fields, field margins, and scattered locations, particularly in the southern half of England (14% of recordings).
• Prefers sunny habitats.

Morphological Characteristics

• Annual grass.
• Stems typically grow to a height of 60-120 cm (approximately 24-47 inches).
• Can grow from 45-100 cm (17.7-39.4 in) tall.
• Tufted grass, erect with spirally twisted leaves.
• Erect lax panicle with many spikelets.

Ecological Role

• Often considered a weed, particularly in arable fields.
• Can be aggressive.

Quirky Facts

• Rye brome may have evolved in cultivation as a mimic of rye.
• It is becoming increasingly rare in some regions, like the UK.

Further Resources

• RHS (Royal Horticultural Society): Provides help and information on Bromus secalinus.
• Montana Field Guide: May offer photo submissions and identification assistance.
• Collins English Dictionary: Provides definitions and up-to-date English insights for "rye-brome."