Difference between revisions of "Anthoxanthum arcticum"

Veldkamp
Common names: Arctic sweetgrass Hierochloe pauciflore
Synonyms: Hierochloe pauciflora
Treatment appears in FNA Volume 24. Treatment on page 760.
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V24/V24_1080.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Revision as of 21:43, 27 May 2020

Plants perennial; loosely ces¬pitose or the culms solitary, rhizomes elongate, 0.3-1 mm thick. Culms 5-26(35) cm. Sheaths glabrous; ligules 0.4-1.3 mm, obtuse; blades 2-25 cm long, 0.7-2 mm in diameter when rolled, involute to convolute, abaxial surfaces glabrous, adaxial surfaces pubescent. Panicles 1-3(4.5) cm long, 0.3-0.5 cm wide, spikelike, with 1-2 spikelets per branch. Spikelets 3.5-5 mm, green to purple; rachilla internodes about 0.1 mm, glabrous. Glumes subequal, 2.9-4.7 mm, shiny; lowest 2 florets staminate; lemmas sparsely hairy, acute or slightly notched, unawned or awned, awns to 1 mm; bisexual lemmas 2.9-4.4 mm, with sparse, spreading hairs towards the apices; anthers 1.5-3 mm. Caryopses about 2.5 mm. 2n = 28.

Discussion

Anthoxanthum arcticum is a coastal and lowland circumpolar species of the Alaskan, Canadian, and Russian arctic; it is absent from Greenland. It generally grows in wet tundra on acidic, peaty soils. In the warmest sectors of the western high arctic, it is rooted in mats of moss that are growing over carbonate substrates.

Selected References

None.

Lower Taxa

None.
... more about "Anthoxanthum arcticum"
Kelly W. Allred +  and Mary E. Barkworth +
Veldkamp +
Arctic sweetgrass +  and Hierochloe pauciflore +
Conn. +, N.J. +, N.Y. +, Wash. +, Del. +, D.C +, Wis. +, W.Va. +, Alta. +, B.C. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Yukon +, Pacific Islands (Hawaii) +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, Alaska +, Va. +, Colo. +, Iowa +, Miss. +, Calif. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Okla. +, Idaho +, Md. +, Ohio +, Mo. +, Minn. +, Mich. +, Oreg. +, Mont. +  and Ky. +
Hierochloe pauciflora +
Anthoxanthum arcticum +
Anthoxanthum +
species +