Difference between revisions of "Helianthus pauciflorus subsp. pauciflorus"
Common names: Stiff sunflower hélianthe rigide
Synonyms: Helianthus laetiflorus var. rigidus (Cassini) Fernald Helianthus rigidus (Cassini) Desfontaines
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|name=Helianthus rigidus | |name=Helianthus rigidus | ||
|authority=(Cassini) Desfontaines | |authority=(Cassini) Desfontaines | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae | ||
Revision as of 15:34, 18 September 2019
Plants 80–200 cm. Leaves usually alternate distally; blades oblong-lanceolate to lance-ovate, 8–27 cm, apices acuminate.
Phenology: Flowering late summer–fall.
Habitat: Dry to moderately wet prairies, open places
Elevation: 50–600+ m
Distribution
Alta., B.C., Man., Ont., P.E.I., Que., Sask., Ark., Conn., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.J., N.Dak., Okla., R.I., S.Dak., Tex., Vt., Va., Wis.
Discussion
Subspecies pauciflorus is introduced in Ontario, and probably in all eastern Canada.
Selected References
None.
Lower Taxa
None.