familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Poeae
genusPoa
subgenusPoa subg. Poa
sectionPoa sect. Oreinos
speciesPoa laxa
subspeciesPoa laxa subsp. banffiana
Poa laxa subsp. banffiana
Endemic
Treatment appears in FNA Volume 24. Treatment on page 570.
Basal branching mainly extravaginal. Blades thin, Panicles 2-8 cm, lax, loosely contracted, sparse, with 2-3(5) branches per node; branches steeply ascending, fairly straight, usually sparsely scabrous, infrequently smooth. Glumes lanceolate to broadly lanceolate; lower glumes 3-veined; calluses glabrous; lemmas with keels short-villous for at least 1/2 their length, usually the lateral veins on at least 1 side of some florets sparsely softly puberulent, infrequently all the lateral veins glabrous; anthers 0.8-1.1 mm. 2n = 84.
Discussion
Poa laxa subsp. banffiana grows primarily in mesic alpine locations of the Rocky Mountains in Canada and the United States. It is sometimes difficult to distinguish from P. glauca (p. 576).
Selected References
None.
Lower Taxa
None.
... more about "Poa laxa subsp. banffiana"
Ill. +, Ind. +, Conn. +, N.J. +, N.Y. +, Ga. +, Wash. +, Utah +, Alaska +, Colo. +, Idaho +, N.Mex. +, Nev. +, Maine +, N.H. +, Vt. +, Del. +, D.C +, Wis. +, Iowa +, Mont. +, Oreg. +, Wyo. +, Pacific Islands (Hawaii) +, Md. +, Mass. +, R.I. +, Fla. +, Calif. +, W.Va. +, Tex. +, La. +, N.C. +, N.Dak. +, Nebr. +, Tenn. +, Ala. +, Ark. +, Ariz. +, Kans. +, Ky. +, Mich. +, Minn. +, Mo. +, Miss. +, Ohio +, Okla. +, Pa. +, Puerto Rico +, S.C. +, S.Dak. +, Va. +, Alta. +, B.C. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. + and Yukon +
Present +
Endemic +
Poa laxa subsp. banffiana +
Poa laxa +
subspecies +