Page authors: Don Knoke, David Giblin
Aegilops cylindrica
jointed goatgrass
Specimens
Photos

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of the United States to the Atlantic Coast.

Habitat: Waste ground and roadsides; a troublesome weed in wheat.

Flowers: May-July

Origin: Introduced from southern Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind

Description:
General:

Annuals with hollow culms 3-5 dm. tall.

Leaves:

Sheaths open, usually sparsely long-hairy; ligules 0.5 mm. long; blades flat, 2-3 mm. broad, usually long-hairy.

Flowers:

Inflorescence a cylindric spike, 4-10 cm. long, the spikelets single at the nodes, 2-5 flowered, flatwise to the rachis and sunken into its curvature; glumes 2, 10-14 mm. long, prominently 6- to 8-veined, each with a terminal awn 5-30 mm. long, the tip of the glume with a short lobe; lemmas unawned, or the upper awned like the glumes.

Fruits:

Utricle

Accepted Name:
Aegilops cylindrica Host
Publication: Icon. Descr. Gram. Austriac. 2: 6, pl. 7. 1802. 1802.

Synonyms & Misapplications:
Aegilops cylindrica Host var. rubiginosa Popova
Cylindropyrum cylindricum (Host) Á. Löve
Triticum cylindricum (Host) Ces., Pass. & Gibelli
Additional Resources:

PNW Herbaria: Specimen records of Aegilops cylindrica in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Aegilops cylindrica checklist entry.

OregonFlora: Aegilops cylindrica information.

E-Flora BC: Aegilops cylindrica atlas page.

CalPhotos: Aegilops cylindrica photos.

USDA Plants: Aegilops cylindrica information.

28 photographs:
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