Symphyotrichum novi-belgii var. crenifolium

(Fernald) Labrecque & Brouillet

Phytologia 82: 138. 1997.

Endemic
Basionym: Aster foliaceus var. crenifolius Fernald Rhodora 17: 15. 1915
Synonyms: Aster crenifolius (Fernald) Cronquist Aster foliaceus var. subpetiolatus Fernald Aster novi-belgii var. crenifolius (Fernald) Labrecque & Brouillet
Treatment appears in FNA Volume 20. Treatment on page 529. Mentioned on page 528.

Plants robust, compact. Stems glabrous (sometimes hirsute in lines distally). Leaf blades widely ovate to oblong, 4–5 times as long as wide, bases strongly clasping. 2n = 48.


Phenology: Flowering Aug–Sep.
Habitat: Stony or sandy, open upper seashores
Elevation: 0 m

Discussion

Variety crenifolium is known from the Gaspé Peninsula and nearby New Brunswick. Reports from New England states need confirmation, as all of the material from there seen by us is var. novi-belgii or var. elodes.

Selected References

None.

Lower Taxa

None.
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Fernald) Labrecque & Brouillet +
Aster foliaceus var. crenifolius +
N.B. +  and Que. +
Stony or sandy, open upper seashores +
Flowering Aug–Sep. +
Aster crenifolius +, Aster foliaceus var. subpetiolatus +  and Aster novi-belgii var. crenifolius +
Symphyotrichum novi-belgii var. crenifolium +
Symphyotrichum novi-belgii +
variety +