Page author: Don Knoke
Triticum aestivum
bread wheat

Distribution: Introduced world-wide, but fails to persist more that a few seasons on its own.

Habitat: Cultivated in fields.

Flowers: April - June

Origin: Introduced

Growth Duration: Annual

Conservation Status: Not of concern


Plants annuals or winter annuals, up to 1.5 m. tall, the culms hollow.


Sheaths open; auricles prominent; ligules 1 mm. long; blades 5-20 mm. broad.


Inflorescence a spike 5-12 cm. long, awned or awnless; spikelets 2- to 5-flowered, borne in a terminal spike flatwise to the continuous rachis, 1 per node, sessile; glumes firm, keeled, strongly 3-nerved; lemmas broad, lopsidedly keeled; stamens 3.

Accepted Name:
Triticum aestivum L.
Publication: Sp. Pl. 1: 85. 1753.

Synonyms & Misapplications:
Triticum hybernum L.
Triticum macha Dekapr. & Menabde
Triticum sativum Lam.
Triticum sphaerococcum Percival
Triticum vulgare Vill.
Additional Resources:

PNW Herbaria: Specimen records of Triticum aestivum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Triticum aestivum checklist entry.

E-Flora BC: Triticum aestivum atlas page.

CalPhotos: Triticum aestivum photos.

USDA Plants: Triticum aestivum information.

27 photographs:
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