familyAsteraceae
genusRudbeckia
sectionRudbeckia sect. Rudbeckia
speciesRudbeckia hirta
varietyRudbeckia hirta var. hirta
Rudbeckia hirta var. hirta
Synonyms: Rudbeckia amplectens T. V. Moore Rudbeckia brittonii Small Rudbeckia hirta var. brittonii (Small) Fernald Rudbeckia hirta var. monticola unknown Rudbeckia monticola unknown
Revision as of 16:31, 18 September 2019 by FNA>Volume Importer
Biennials or perennials. Stems branched mostly beyond mid heights, leafy ± throughout. Leaves: basal blades broadly ovate to broadly elliptic, 2.5–7 cm wide (lengths mostly 2 times widths); cauline blades lanceolate, ovate, or pandurate; margins coarsely toothed; faces hirsute to hispid. Peduncles less than 1/3 plant heights. 2n = 38.
Phenology: Flowering spring–fall.
Habitat: Open woodlands, fields, roadsides
Elevation: 30–300 m
Distribution
Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., Maine, Md., Mass., Mich., Miss., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va.
Discussion
Variety hirta grows mostly from the Appalachian highlands to Illinois. A report of var. hirta from Ontario has not been confirmed.
Selected References
None.
Lower Taxa
None.