familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusGlyceria
sectionGlyceria sect. Striatae
speciesGlyceria canadensis
Difference between revisions of "Glyceria canadensis var. laxa"
Common names: Limp mannagrass
Endemic
Synonyms: Glyceria laxa
Treatment appears in FNA Volume 24. Treatment on page 80.
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|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Meliceae | |tribe=Poaceae tribe Meliceae | ||
Revision as of 22:51, 27 May 2020
Spikelets 3-5 mm, with (2)3-5 florets. Lower glumes 0.6-1.3 mm; upper glumes 1.5-2.3 mm, usually rounded, sometimes acute; lemmas 1.8-2.5 mm. 2n = 60.
Discussion
Glyceria canadensis var. laxa grows in swamps, bogs, and wet woods, primarily along the eastern seaboard of North America from Nova Scotia to northeastern Tennessee. It is sometimes treated as a hybrid, G. xlaxa (Scribn.) Scribn., but several specimens have dehiscent anthers and well-formed caryopses, indicating that they are not hybrids. The report of 2n = 30 is based on counts for G. xottawaensis.
Selected References
None.
Lower Taxa
None.