Rudbeckia grandiflora var. alismifolia

(Torrey & A. Gray) Cronquist

Rhodora 47: 401. 1945.

Endemic
Basionyms: Rudbeckia alismifolia Torrey & A. Gray Fl. N. Amer. 2: 310. 1842 (as alismaefolia)
Treatment appears in FNA Volume 21. Treatment on page 56.

Stems glabrous or sparsely hairy proximally and hairy distally (hairs ascending, mostly shorter than 0.5 mm). Leaves scabrous to puberulent. 2n = 38.


Phenology: Flowering late spring–summer.
Habitat: Prairies, open sites
Elevation: 30–200 m

Distribution

V21-119-distribution-map.gif

Ark., Ky., La., Miss., Tex.

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 +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +  and Patricia B. Cox +
(Torrey & A. Gray) Cronquist +
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 +
Rudbeckia alismifolia +
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. +, Ky. +, La. +, Miss. +  and Tex. +
30–200 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Prairies, open sites +
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 +
scabrous +  and puberulent +
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 />) +
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. alismifolia +
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 +