Festuca roemeri

(Pavlick) E.B. Alexeev
Common names: Oregon fescue Roemer's fescue
Endemic
Synonyms: Festuca idahoensis var. roemeri
Treatment appears in FNA Volume 24. Treatment on page 440.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants densely cespitose, without rhizomes. Culms (35)50-90 (100) cm, erect, glabrous, smooth. Sheaths closed for less than 1/2 their length, glabrous, hirsute, or scabrous, persistent; collars glabrous; ligules 0.1-0.5 mm; blades 0.5-1(1.2) mm in diameter, conduplicate, abaxial surfaces glabrous or puberulent, adaxial surfaces sometimes scabrous, glabrous or pubescent, veins (5)7-9, ribs 5-9, well defined; abaxial sclerenchyma in 5-7 wide strands, sometimes confluent into a single band; adaxial sclerenchyma absent. Inflorescences (7)8-20(25) cm, loosely to densely contracted, with 1-2 branches per node; branches erect to slightly spreading, lower branches with 2+ spikelets. Spikelets 9-13.5 mm, with 4-6 florets. Glumes exceeded by the upper florets, ovate-lanceolate, smooth or scabrous distally; lower glumes (2)2.5-5 mm; upper glumes 4-6.2 mm; lemmas 5-7(8.2) mm, scabrous near the apices, awns (2)3-5 mm, terminal, usually more than 1/2 as long as the lemma bodies; paleas about as long as the lemmas, intercostal region scabrous or puberulent distally; anthers (2.6)2.8-3.6(4) mm; ovary apices glabrous. 2n = unknown.

Discussion

Festuca roemeri grows in grasslands and open forests, primarily west of the Cascade Mountains, from southeastern Vancouver Island southward to northwestern California.

Selected References

None.

Lower Taxa

None.

... more about "Festuca roemeri"
Stephen J. Darbyshire +  and Leon E. Pavlickf +
(Pavlick) E.B. Alexeev +
Oregon fescue +  and Roemer's fescue +
Conn. +, N.J. +, N.Y. +, Wash. +, B.C. +, W.Va. +, Wis. +, Ala. +, Ariz. +, Calif. +, Colo. +, D.C +, Del. +, Ga. +, Pacific Islands (Hawaii) +, Iowa +, Idaho +, Ill. +, Ind. +, Ky. +, Md. +, Maine +, Mich. +, Minn. +, Mont. +, N.Dak. +, Nebr. +, N.Mex. +, Nev. +, Oreg. +, Pa. +, S.C. +, Vt. +, Alaska +, Mass. +, N.H. +, R.I. +, Fla. +, Wyo. +, Kans. +, Tex. +, La. +, Miss. +, Tenn. +, N.C. +, S.Dak. +, Utah +, Va. +, Ark. +, Okla. +, Alta. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Ohio +  and Mo. +
Festuca idahoensis var. roemeri +
Festuca roemeri +
Festuca sect. Festuca +
species +