familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Poeae
genusPoa
subgenusPoa subg. Poa
sectionPoa sect. Stenopoa
speciesPoa glauca
subspeciesPoa glauca subsp. rupicola
Difference between revisions of "Poa glauca subsp. rupicola"
Common names: Timberline bluegrass
Endemic
Synonyms: Poa rupicola
Treatment appears in FNA Volume 24. Treatment on page 578.
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Latest revision as of 16:25, 11 May 2021
Culms to 5-15 cm. Panicles 1-5 cm, usually narrowly lanceoloid. Spikelets not bulbiferous; florets normal. Calluses glabrous; lemmas at least sparsely puberulent on the intercostal regions. 2n = 48, 48-50, 56, 56-58, ca. 100.
Discussion
Poa glauca subsp. rupicola is endemic to dry alpine areas of western North America. It is often confused in herbaria with subsp. glauca and P. interior (p. 576), but its calluses lack even a vestige of a web, and its lemmas have at least a few hairs between the lemma veins. It is often sympatric with both taxa outside of California. It is not common in the northern Rocky Mountains.
Selected References
None.
Lower Taxa
None.
... more about "Poa glauca subsp. rupicola"
Timberline bluegrass +
Wash. +, Maine +, N.H. +, Vt. +, Wis. +, Idaho +, Oreg. +, Wyo. +, N.Mex. +, N.Y. +, Pa. +, Alaska +, Nev. +, Colo. +, Calif. +, Ariz. +, Mich. +, Mont. +, Utah +, Minn. +, Alta. +, B.C. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon + and S.Dak. +
Present +
Endemic +
Poa glauca subsp. rupicola +
Poa glauca +
subspecies +