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Rudbeckia sullivantii
C. L. Boynton & Beadle
(redirected from:
Rudbeckia fulgida var. sullivantii
(C. L. Boynton & Beadle) Cronquist)
Family:
Asteraceae
Sullivant's coneflower
[
Rudbeckia fulgida var. sullivantii
(C. L. Boynton & Beadle) Cronquist]
Images
not available
FNA
Resources
Lowell E. Urbatsch, Patricia B. Cox in Flora of North America (vol. 21)
Stems
glabrous or sparsely hirsute (hairs spreading).
Leaves:
basal blades mostly broadly elliptic to ovate, 1.5-3 cm wide, lengths to 2 times widths, bases broadly rounded, margins sharply toothed (not incised), faces glabrous or sparsely hairy; cauline petiolate (proximal) to nearly sessile (distal), shapes ovate to lanceolate, notably smaller distally, bases rounded to attenuate, margins entire or serrate, faces glabrous or sparsely hairy.
Phyllaries
spreading to reflexed, 1-2 × 0.2-0.5 cm, glabrous or sparsely hairy.
Receptacles
11-18 mm diam.; palea margins eciliate, faces glabrous.
Ray florets
12-21; laminae 25-40 mm.
2
n
= 76. Flowering summer-fall. Swamps, shorelines, fens, sedge meadows; 30-200 m; Ark., Ill., Ind., Mich., Mo., N.Y., Ohio, Pa., W.Va.
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