Rudbeckia heliopsidis

Torrey & A. Gray

Fl. N. Amer. 2: 310. 1842.

Common names: Sunfacing coneflower Little River black-eyed Susan
EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 56. Mentioned on page 45, 52, 53.

Perennials, to 120 cm (rhizomatous). Stems villous to glabrate. Leaves: blades elliptic, lanceolate, or ovate (flat, not lobed), bases acute to rounded or cuneate, margins entire or serrate, apices acute, faces glabrous or sparsely strigose and glanddotted; basal petiolate, blades 10–20 × 2–5 cm; cauline petiolate (proximal) or nearly sessile (distal), blades 2–20 × 1–4 cm. Heads usually (4–8) in ± corymbiform arrays, sometimes borne singly. Phyllaries to 1.5 cm (faces sparsely to moderately hairy and glanddotted). Receptacles hemispheric to ovoid; paleae 3.2–4.2 mm, apices rounded to acute, abaxial tips canescent and glanddotted. Ray-florets 6–12; laminae elliptic to oblanceolate (spreading), 15–30 × 3–6 mm, abaxially strigose and glanddotted. Discs 10–15 × 7–15 mm. Disc-florets 100–200+; corollas proximally yellowish green, distally brown-purple, 3–4 mm; style-branches ca. 1.4 mm, apices obtuse. Cypselae 2–3 mm; pappi coroniform, to 1.5 mm (sometimes cypselae each with glandular-hairs around apices).


Phenology: Flowering summer–fall.
Habitat: Mesic to wet woodlands, meadows
Elevation: 70–200 m

Distribution

V21-121-distribution-map.gif

Ala., Ga., N.C., S.C., Va.

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.

... more about "Rudbeckia heliopsidis"
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 +
acute +  and rounded or cuneate +
compound +  and simple +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
ovate;lanceolate;ovate;lanceolate;elliptic +
1cm;4cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
sessile +  and petiolate +
Sunfacing coneflower +  and Little River black-eyed Susan +
yellowish green +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 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 /> (1.5 cm15 mm <br />0.015 m <br />) +
7mm;15mm +
Ala. +, Ga. +, N.C. +, S.C. +  and Va. +
70–200 m +
strigose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Mesic to wet woodlands, meadows +
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;30mm +
elliptic +  and oblanceolate +
sessile +  and petiolate +
not glaucous +
greenish;yellowish +
deltate +  and lance-linear +
serrate +  and entire +
2-carpellate +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
persistent +
0 +  and 2 +
coroniform +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering summer–fall. +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Fl. N. Amer. +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
hemispheric;ovoid +
connate +  and distinct +
2 +  and 5 +
exalbuminous +
Endemic +  and Conservation concern +
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 heliopsidis +
Rudbeckia sect. Rudbeckia +
species +
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 +