Difference between revisions of "Helianthus pauciflorus subsp. pauciflorus"

unknown
Common names: Stiff sunflower hélianthe rigide
Synonyms: Helianthus laetiflorus var. rigidus (Cassini) Fernald Helianthus rigidus (Cassini) Desfontaines
Treatment appears in FNA Volume 21. Treatment on page 161. Mentioned on page 156, 160.
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Revision as of 18:48, 24 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

V21-386-distribution-map.gif

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.
Edward E. Schilling +
unknown +
Stiff sunflower +  and hélianthe rigide +
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. +  and Wis. +
50–600+ m +
Dry to moderately wet prairies, open places +
Flowering late summer–fall. +
Gen. N. Amer. Pl. +
Helianthus laetiflorus var. rigidus +  and Helianthus rigidus +
Helianthus pauciflorus subsp. pauciflorus +
Helianthus pauciflorus +
subspecies +