Rudbeckia hirta var. floridana

(T. V. Moore) Perdue

Rhodora 59: 296. 1958.

Endemic
Basionyms: Rudbeckia floridana T. V. Moore Pittonia 4: 176. 1900
Treatment appears in FNA Volume 21. Treatment on page 57.

Annuals, biennials, or perennials. Stems branched at or near bases, leafy toward bases (plants often scapiform). Leaves: basal blades obovate to nearly orbiculate, 1–4 cm wide; cauline blades ovate, elliptic, or oblanceolate (smaller distally); margins entire or serrate; faces scabrous to hirsute. Peduncles at least 1/2 plant heights.


Phenology: Flowering spring–fall.
Habitat: Pastures, old fields, roadsides
Elevation: 0–20 m

Discussion

Variety floridana grows in central to southern Florida.

Selected References

None.

Lower Taxa

None.

hirsute +  and hispid +
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 +
(T. V. Moore) Perdue +
obovate +  and nearly orbiculate +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
attenuate +  and cuneate +
Rudbeckia floridana +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
ovate;lanceolate;ovate;lanceolate;elliptic +
0.4cm;4cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
oblanceolate +, elliptic +  and ovate +
sessile +  and petiolate +
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 /> (2.2 cm22 mm <br />0.022 m <br />) +
10mm;20mm +
0–20 m +
scabrous +  and hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Pastures, old fields, roadsides +
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;45mm +
abaxially hispid +  and hirsute +
elliptic +  and oblong or oblanceolate +
5mm;10mm +
sessile +  and petiolate +
not glaucous +
greenish;yellowish +
deltate +  and lance-linear +
serrate +  and entire +
2-carpellate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
persistent +
0 +  and 2 +
coroniform +
Flowering spring–fall. +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 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 hirta var. floridana +
Rudbeckia hirta +
variety +
cylindric +
entire +  and toothed +
100 cm1,000 mm <br />1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
perennial +, biennial +  and annual +
0 cm0 mm <br />0 m <br /> (100 cm1,000 mm <br />1 m <br />) +