Rudbeckia fulgida var. palustris
Rhodora 59: 297. 1958.
Common names: Prairie or marsh coneflower
Endemic
Basionym: Rudbeckia palustris Eggert ex C. L. Boynton & Beadle Biltmore Bot. Stud. 1: 16. 1901
Treatment appears in FNA Volume 21. Treatment on page 54.
Stems glabrous or sparsely hairy (hairs antrorse to spreading). Leaves: basal blades lanceolate to narrowly elliptic to ovate, 2–4 cm wide, lengths to 2 times widths, bases cuneate, margins entire or serrate, faces glabrous or sparsely hairy; cauline petiolate (proximal) or sessile (distal), blades lanceolate to ovate, notably smaller distally, bases attenuate to subauriculate (distal), margins entire or serrate, faces sparsely to moderately hairy. Phyllaries reflexed, 0.8–2.2 × 0.2–0.5 cm, pilose (abaxially) or glabrous (adaxially). Receptacles 11–18 mm diam.; palea margins ciliate, faces glabrous. Ray florets 8–14; laminae 15–25 mm. 2n = 38.
Phenology: Flowering summer–fall.
Habitat: Mesic to wet sites
Elevation: 50–600 m
Distribution
Ark., Mo., Okla., Tex.
Discussion
Selected References
None.
Lower Taxa
None.