Verbesina helianthoides

Michaux

Fl. Bor.-Amer. 2: 135. 1803.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 109. Mentioned on page 107.

Plants 60–120+ cm (perennating bases ± erect or horizontal rhizomes, internodes winged). Leaves all or mostly alternate (proximal sometimes opposite); blades ± lanceovate to lanceolate, 5–12+ × 2–5+ cm, bases ± cuneate, margins ± toothed, apices acute to attenuate, faces strigose to sericeous. Heads 2–5 (–10+) in ± corymbiform arrays. Involucres ± hemispheric, 10–15+ mm diam. Phyllaries 16–21+ in 2–3 series, ± erect, lanceolate, 6–9+ mm. Ray-florets 8–13+; laminae 20–25 (–30+) mm. Disc-florets 40–80+; corollas yellow. Cypselae dark-brown to black, oblanceolate to elliptic, 5 mm, faces strigillose to glabrate; pappi 0.5–1.5 mm. 2n = 34.


Phenology: Flowering May–Jul.
Habitat: Moist places in sandy, pine woodlands, post-oak woodlands, disturbed places
Elevation: 70–500 m

Distribution

V21-258-distribution-map.gif

Ala., Ark., Ga., Ill., Ind., Iowa, Kans., Ky., La., Miss., Mo., N.C., Ohio, Okla., Tenn., Tex.

Discussion

Verbesina helianthoides may be no longer present in Georgia.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Verbesina helianthoides"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Michaux +
bristlelike +
subulate +
cuneate +
compound +  and simple +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
less lanceovate;lanceolate +
2cm;5cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
dark-brown +  and black +
hairy +  and glabrous +
oblanceolate +  and elliptic +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Ark. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Ohio +, Okla. +, Tenn. +  and Tex. +
70–500 m +
strigillose +  and glabrate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist places in sandy, pine woodlands, post-oak woodlands, disturbed places +
discoid +  and radiate +
in corymbiform , dichasiiform or paniculiform , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hemispheric +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
less deltate +  and lance-deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering May–Jul. +
16 +  and 21 +
unequal +  and subequal +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Fl. Bor.-Amer. +
neuter +, styliferous +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
flat;convex or more or less conic +
subulate +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Verbesina helianthoides +
Verbesina +
species +
campanulate +
cylindric +
shorter to longer than campanulate +
toothed +  and subentire +
perennial +  and annual +
7 cm70 mm <br />0.07 m <br /> (15 cm150 mm <br />0.15 m <br />) +