Rudbeckia hirta var. hirta

Synonyms: Rudbeckia amplectens T. V. Moore Rudbeckia brittonii Small Rudbeckia hirta var. brittonii (Small) Fernald Rudbeckia hirta var. monticola Rudbeckia monticola
Treatment appears in FNA Volume 21. Treatment on page 58. Mentioned on page 57.

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



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.


Variety hirta grows mostly from the Appalachian highlands to Illinois. A report of var. hirta from Ontario has not been confirmed.

Selected References


Lower Taxa

Lowell E. Urbatsch +  and Patricia B. Cox +
Linnaeus +
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. +  and W.Va. +
30–300 m +
Open woodlands, fields, roadsides +
Flowering spring–fall. +
Rudbeckia amplectens +, Rudbeckia brittonii +, Rudbeckia hirta var. brittonii +, Rudbeckia hirta var. monticola +  and Rudbeckia monticola +
Rudbeckia hirta var. hirta +
Rudbeckia hirta +
variety +