Difference between revisions of "Anthoxanthum arcticum"
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|name=Hierochloe pauciflora | |name=Hierochloe pauciflora | ||
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|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Anthoxanthum;Anthoxanthum arcticum | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Anthoxanthum;Anthoxanthum arcticum | ||
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name=Anthoxanthum arcticum | name=Anthoxanthum arcticum | ||
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|authority=Veldkamp | |authority=Veldkamp | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda Ann Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_1080.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:21, 11 May 2021
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.