Page author: Don Knoke
Aegilops cylindrica
jointed goat grass

Distribution: A weedy plant from Europe, introduced in much of western United States.

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

Flowers: June - July

Origin: Introduced from southern Europe

Conservation Status: Not of concern


Annuals with hollow culms 3-5 dm. tall.


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


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.



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

E-Flora BC: Aegilops cylindrica atlas page.

CalPhotos: Aegilops cylindrica photos.

USDA Plants: Aegilops cylindrica information.

28 photographs:
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