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Arctagrostis latifolia subsp. latifolia

Arctagrostis latifolia subsp. latifolia (R. Br.) Griseb.  
Family: Poaceae
Arctagrostis à Larges Feuilles, more...Wideleaf Polargrass
[Arctagrostis aristulata Petrov, moreArctagrostis glauca Petrov, Arctagrostis latifolia f. aristata Holmb., Arctagrostis latifolia f. latifolia (R. Br.) Griseb., Arctagrostis latifolia var. aristulata (Petrov) Tzvelev, Arctagrostis latifolia var. gigantea (Tzvelev) Tzvelev, Arctagrostis stricta Petrov, Cinna brownii Rupr.]
Arctagrostis latifolia subsp. latifolia image
  • FNA
  • Resources
Susan G. Aiken. Flora of North America

Culms (10)15-50(95) cm; uppermost nodes usually in the lowest 1/3 of the culm. Uppermost sheaths usually longer than the blades; blades 1-16 cm long, 1.5-9 mm wide. Panicles 2.5-10(17) cm long, 0.7-3 cm wide; longest branches 0.5-4(6.5) cm, with 3-15(40) spikelets per branch; secondary branches usually appressed, spreading in warmer habitats. Spikelets (3)4-6.5 mm. Glumes subequal; lower glumes 1.8-4.5 mm, 1(-3)-veined; upper glumes 2.3-5.5 mm, usually about 1 mm shorter than the lemmas, (1-)3-veined; lemmas 3-6.5 mm; anthers 1.8-4 mm. 2n = 56.

Arctagrostis latifolia subsp. latifolia is the common subspecies from the Arctic coast of Alaska to Nunavut, northern Quebec, and northern Greenland.

Arctagrostis latifolia subsp. latifolia
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Arctagrostis latifolia subsp. latifolia image
Arctagrostis latifolia subsp. latifolia image
Arctagrostis latifolia subsp. latifolia image
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Arctagrostis latifolia subsp. latifolia image
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Arctagrostis latifolia subsp. latifolia image
Arctagrostis latifolia subsp. latifolia image
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Arctagrostis latifolia subsp. latifolia image
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