Stems hairy (hairs spreading proximally, ascending distally, ca. 1 mm). Leaves hirsute (hairs longer than 1 mm). 2n = 38.


Phenology: Flowering late spring–summer.
Habitat: Mostly mesic to dry prairies, woodlands
Elevation: 30–300 m

Distribution

V21-120-distribution-map.gif

Ark., Ga., Ill., Kans., Ky., Miss., Mo., Ohio, Okla., Tex.

Discussion

Variety grandiflora has been collected in Ontario; it evidently is no longer found there.

Selected References

None.

Lower Taxa

None.

not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +  and Patricia B. Cox +
(Sweet) C. C. Gmelin ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
10 cm100 mm <br />0.1 m <br /> (35 cm350 mm <br />0.35 m <br />) +
2 cm20 mm <br />0.02 m <br /> (11 cm110 mm <br />0.11 m <br />) +
cuneate +  and rounded +
Centrocarpha grandiflora +
compound +  and simple +
ovate;lanceolate;ovate;lanceolate;elliptic +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
petiolate +  and nearly sessile +
4 cm40 mm <br />0.04 m <br /> (30 cm300 mm <br />0.3 m <br />) +
1.5cm +  and 9cm +
maroon +  and greenish yellow +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 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 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
15mm;25mm +
Ark. +, Ga. +, Ill. +, Kans. +, Ky. +, Miss. +, Mo. +, Ohio +, Okla. +  and Tex. +
30–300 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Mostly mesic to dry prairies, woodlands +
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 +
20mm;50mm +
elliptic +  and obovate +
5mm;10mm +
sessile +  and petiolate +
greenish;yellowish +
deltate +  and lance-linear +
serrate +  and entire +
2-carpellate +
acuminate-cuspidate +
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
persistent +
0 +  and 2 +
coroniform +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Flowering late spring–summer. +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
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 grandiflora var. grandiflora +
Rudbeckia grandiflora +
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 +