Rudbeckia fulgida var. deamii

(S. F. Blake) Perdue

Rhodora 59: 297. 1958.

Common names: Deam’s coneflower
Endemic
Basionyms: Rudbeckia deamii S. F. Blake Rhodora 19: 113. 1917
Treatment appears in FNA Volume 21. Treatment on page 54.

Stems densely villous-hirsute (hairs retrorse). Leaves: basal blades ovate, 1.5–6 cm wide, lengths to 2 times widths, bases rounded to attenuate, margins mostly coarsely crenate, faces hairy; cauline sessile distally, elliptic to lanceolate (distalmost ovate), not notably smaller distally, bases ± auriculate (clasping), margins sharply serrate (teeth remote), faces densely villous-hirsute. Phyllaries reflexed, 1–2 × 0.2–0.6 cm, densely hairy. Receptacles 11–17 mm diam.; palea margins ciliate, faces mostly glabrous. Ray-florets 12–20; laminae 15–25 mm.


Phenology: Flowering late summer–fall.
Habitat: Stream banks, woodland ridges
Elevation: 100–300 m

Discussion

Selected References

None.

Lower Taxa

None.

not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Lowell E. Urbatsch +  and Patricia B. Cox +
(S. F. Blake) Perdue +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
auriculate +, rounded +  and attenuate +
Rudbeckia deamii +
compound +  and simple +
lanceolate;broadly ovate or elliptic +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
2 cm20 mm <br />0.02 m <br /> (25 cm250 mm <br />0.25 m <br />) +
elliptic +  and lanceolate +
0.5cm +  and 7cm +
Deam’s coneflower +
yellowish green +
0.3 cm3 mm <br />0.003 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
hairy +  and glabrous +
flattened +, fusiform-terete +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
10mm;18mm +
Ill. +, Ind. +  and Ohio. +
100–300 m +
glabrous +, villous-hirsute +  and hairy +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Stream banks, woodland ridges +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
fusiform;turbinate or broadly campanulate +
15mm;25mm +
elliptic +  and oblanceolate +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
sessile +  and petiolate +
not glaucous +
greenish;yellowish +
deltate +  and lance-linear +
2-carpellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
persistent +
0 +  and 2 +
coroniform +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Flowering late summer–fall. +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
hemispheric;ovoid +
connate +  and distinct +
2 +  and 5 +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Compositae +
Rudbeckia fulgida var. deamii +
Rudbeckia fulgida +
variety +
cylindric +
entire +  and toothed +
100 cm1,000 mm <br />1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
0 cm0 mm <br />0 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
shrub +  and subshrub +