Rudbeckia fulgida var. umbrosa

(C. L. Boynton & Beadle) Cronquist

Rhodora 47: 400. 1945.

Common names: Shady coneflower
Basionym: Rudbeckia umbrosa C. L. Boynton & Beadle Biltmore Bot. Stud. 1: 16. 1901
Synonyms: Rudbeckia chapmanii C. L. Boynton & Beadle
Treatment appears in FNA Volume 21. Treatment on page 55. Mentioned on page 54.

Stems glabrous or sparsely hirsute (hairs antrorse to spreading). Leaves: basal blades ovate, 1.5–3.5 cm wide, lengths to 2 times widths, bases broadly rounded to cordate, margins coarsely dentate, faces glabrous or sparsely hairy; cauline petiolate (proximal) to nearly sessile (distal), ovate to lanceolate, not notably smaller distally, bases rounded to attenuate, margins usually coarsely serrate, sometimes entire, faces sparsely to moderately hairy. Phyllaries reflexed, 1–2.2 × 0.25–0.5 cm, glabrous or sparsely hairy. Receptacles 10–15 mm diam.; palea margins ciliate, faces glabrous. Ray florets 8–12; laminae 10–30 mm. 2n = 76.

Phenology: Flowering late summer–fall.
Habitat: Wet woodlands, bottoms
Elevation: 30–400 m



Ala., Ark., Ga., Ind., Ky., Miss., Mo., N.C., Ohio, S.C., Tenn., Va.


Selected References


Lower Taxa

Lowell E. Urbatsch +  and Patricia B. Cox +
(C. L. Boynton & Beadle) Cronquist +
Rudbeckia umbrosa +
Shady coneflower +
Ala. +, Ark. +, Ga. +, Ind. +, Ky. +, Miss. +, Mo. +, N.C. +, Ohio +, S.C. +, Tenn. +  and Va. +
30–400 m +
Wet woodlands, bottoms +
Flowering late summer–fall. +
Rudbeckia chapmanii +
Rudbeckia fulgida var. umbrosa +
Rudbeckia fulgida +
variety +