Difference between revisions of "Poa sect. Alpinae"

(Hegetschw. ex Nyman) Stapf
Treatment appears in FNA Volume 24.
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_722.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V24/V24_722.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Revision as of 19:16, 24 September 2019

Plants perennial; not rhizomatous, not stoloniferous. Basal branching intravaginal. Culms 10-40 cm, terete. Leaves mostly basal; sheaths closed for 1/2 - 2/7 their length, terete, basal sheaths persistent, bases usually not swollen; blades flat, moderately thick, soft, straight, apices prow-shaped. Panicles 2-6(8) cm, erect, ovoid to pyramidal, open or loosely contracted at maturity; nodes with 1-2 branches; branches 1-3(4) cm, ascending to spreading, straight, terete, smooth or very sparsely scabrous, rarely moderately scabrous. Spikelets ovate, laterally compressed, occasionally bulbiferous; florets usually normal, bisexual. Glumes broadly lanceolate to narrowly ovate, shorter than to subequal to the adjacent lemmas, keeled, keels sparsely scabrous; lower glumes 3-veined; calluses terete, glabrous; lemmas broadly lanceolate, keeled, keels and marginal veins short- to long-villous, intercostal regions glabrous or sparsely to moderately short-villous; palea keels mostly softly puberulent to short-villous, scabrous distally; anthers 3, 1.3-2.3 mm.

Discussion

Poa sect. Alpinae includes seven species. They are all cespitose perennials with intravaginal branching and broad leaves. One species is circumboreal; the other six are native to Europe.

Selected References

None.

Lower Taxa

... more about "Poa sect. Alpinae"
Robert J. Soreng +
(Hegetschw. ex Nyman) Stapf +
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 +
Gramineae +
Poa sect. Alpinae +
Poa subg. Poa +
section +