Difference between revisions of "Helianthus pauciflorus subsp. pauciflorus"
Common names: Stiff sunflower hélianthe rigide
Endemic
Synonyms: Helianthus laetiflorus var. rigidus (Cassini) Fernald Helianthus rigidus (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 | ||
Latest revision as of 20:12, 5 November 2020
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.