Page authors: Don Knoke, David Giblin
Eragrostis cilianensis
stinkgrass
Specimens
Photos

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

Habitat: Disturbed areas and waste land, and along streams and pond margins.

Flowers: June-October

Origin: Introduced from Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind

Description:
General:

Ill-smelling annual, the hollow stems erect to decumbent, 1-5 dm. tall, with pit-like depressions just below the nodes.

Leaves:

Sheaths open, glandular, the throat with hairs up to 2 mm. long; ligules a fringe of straight hairs nearly 1 mm. long; blades flat to folded, 2-5 mm. broad.

Flowers:

Inflorescence a condensed panicle 7-15 cm. long, tapered from the base upward; spikelets ovate-oblong, up to 40-flowered, flattened, about 3 mm. broad; glumes keeled, subequal, 2-2.5 mm. long, the first 1-nerved, the second 3-nerved; lemmas awnless, with 3 prominent, non-converging nerves, strongly glandular on the keel.

Accepted Name:
Eragrostis cilianensis (All.) Vignolo ex Janch.
Publication: Mitt. Naturwiss. Vereins Univ. Wien, n.s., 5: 110. 1907. 1907.

Synonyms & Misapplications:
Eragrostis major Host
Eragrostis megastachya (Koeler) Link
Poa cilianensis All.
Additional Resources:

PNW Herbaria: Specimen records of Eragrostis cilianensis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Eragrostis cilianensis checklist entry

OregonFlora: Eragrostis cilianensis information

E-Flora BC: Eragrostis cilianensis atlas page

CalPhotos: Eragrostis cilianensis photos

31 photographs:
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