Flora of North America species comparison

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Glyceria septentrionalis var. arkansana
Photo is of parent taxon
Ligules

5-14 mm;

blades 6-12 mm wide.
Panicle

branches 3-7 cm, with 3-5 spikelets.
Rachilla

internodes 0.5-1.5 mm.
Lemmas

hispidulous over the veins, hairs about 0.1 mm, hispidulous, scabrous, or scabridulous between the veins, apices rounded to acute, crenate.
2n

= unknown.

Glyceria septentrionalis var. arkansana
Distribution
from USDA
Discussion

Glyceria septentrionalis var. arkansana grows in roadside ditches and on the edges of swamps, lakes, and ponds in the flood plain of the Mississippi River, from southern Illinois and Indiana to the Gulf coast. There is also one record from central Tennessee (Chester et al. 1993). The size of its stomates suggests that var. arkansana, like var. septentrionalis, is a tetraploid.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 24, p. 83.
Parent taxa Poaceae > subfam. Pooideae > tribe Meliceae > Glyceria > sect. Glyceria > Glyceria septentrionalis
Sibling taxa
G. septentrionalis var. septentrionalis
Synonyms G. arkansana
Name authority (Fernald) Steyerm. & Kucera
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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