Rudbeckia laciniata var. heterophylla

(Torrey & A. Gray) Fernald & B. G. Schubert

Rhodora 50: 172. 1948.

Common names: Florida coneflower
Endemic
Basionyms: Rudbeckia heterophylla Torrey & A. Gray Fl. N. Amer. 2: 312. 1842
Treatment appears in FNA Volume 21. Treatment on page 50. Mentioned on page 46, 49.

Leaves: basal 15–30 × 5–10 cm, blades usually not lobed, rarely 3-lobed; cauline blades not lobed; adaxial faces moderately to densely hairy. Receptacles globose to ovoid; paleae 4–5 mm. Ray laminae 15–45 × 8–17 mm. Discs 10–15 × 8–20 mm. Cypselae 4–5.5 mm; pappi to 0.7 mm.


Phenology: Flowering spring–fall.
Habitat: Deep sandy soils, along streams, edges of woods
Elevation: 0–20 m

Discussion

Variety heterophylla is known only from Levy County.

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 +
(Torrey & A. Gray) Fernald & B. G. Schubert +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
cuneate +  and attenuate or cordate +
Rudbeckia heterophylla +
compound +  and simple +
3-lobed;lobed +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
sessile +  and petiolate +
sessile +  and petiolate +
8 cm80 mm <br />0.08 m <br /> (40 cm400 mm <br />0.4 m <br />) +
lobed +, mostly lobed +  and pinnatifid +
3cm +  and 20cm +
Florida coneflower +
yellow +  and yellowish green +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
hairy +  and glabrous +
flattened +, fusiform-terete +  and obpyramidal +
fertile +  and bisexual +
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
fertile +  and bisexual +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
8mm;20mm +
0–20 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Deep sandy soils, along streams, edges of woods +
discoid +  and radiate +
in loose , corymbiform to paniculiform arrays +  and singly +
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;50mm +
elliptic +  and oblanceolate +
4mm;14mm +
sessile +  and petiolate +
deltate +  and lance-linear +
dentate +  and entire +
2-carpellate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
persistent +
0 +  and 2 +
of 4 scales +  and coroniform +
0 cm0 mm <br />0 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Flowering spring–fall. +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
globose;ovoid +
connate +  and distinct +
unequal +
exalbuminous +
purplish +, bluish green +  and green +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Rudbeckia subg. Macrocline +
Rudbeckia laciniata var. heterophylla +
Rudbeckia laciniata +
variety +
cylindric +
serrate +, dentate +  and entire +
50 cm500 mm <br />0.5 m <br /> (300 cm3,000 mm <br />3 m <br />) +
shrub +  and subshrub +