*Helianthus pauciflorus Nuttall ssp. subrhomboideus (Rydberg) O. Spring & E.E. Schilling. Common name: Subrhomboidal Sunflower. Phenology: Aug-Oct. Habitat: Pastures, roadsides, and along railroads. Distribution: ON, MI. west to BC, south to IN, MO, OK, and w. TX.
Origin/Endemic status: Native
Synonymy ⓘ: = FNA21, K4, NE, NY; = Helianthus laetiflorus Pers. var. subrhomboideus (Rydber) Fernald — F, Tx; = Helianthus pauciflorus Nutt. var. subrhomboideus (Rydb.) Cronquist — C; = Helianthus subrhomboideus Rydb.; < Helianthus pauciflorus Nutt. — Mi. Basionym: Helianthus subrhomboideus Rydb. 1900
Links to other floras: = Helianthus pauciflorus ssp. subrhomboideus - FNA21
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© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷ Warning: was NOT research grade.
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© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷ Warning: was NOT research grade.
© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷ Warning: was NOT research grade.Feedback
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Horticultural Information
No horticultural data found for this taxon.