Verbesina longifolia

(A. Gray) A. Gray

Proc. Amer. Acad. Arts 19: 12. 1883.

Basionym: Actinomeris longifolia A. Gray Smithsonian Contr. Knowl. 5(6): 89. 1853
Treatment appears in FNA Volume 21. Treatment on page 110. Mentioned on page 107.

Plants 60–150+ cm (perennating bases ± erect, internodes not winged). Leaves all or mostly opposite (distal sometimes alternate); blades ± lance-linear (lengths 10–15 times widths), 9–12 (–20+) × 0.6–1.2 (–1.5+) cm, bases rounded, margins obscurely toothed to subentire, apices ± attenuate, faces ± scabrellous. Heads borne singly or 3–5+ in loose, corymbiform arrays. Involucres ± hemispheric to saucerlike, 11–15+ mm diam. Phyllaries 18–24+ in 2–3 series, ± erect to spreading, linear to lance-linear, 5–15+ mm. Ray-florets 12–13; laminae 15–25+ mm. Disc-florets 60–100+; corollas yellow. Cypselae dark-brown, oblanceolate to elliptic, 7 mm, faces glabrous; pappi 0–0.5 mm. 2n = 34.


Phenology: Flowering (Jul–)Sep–Oct.
Habitat: Rocky slopes
Elevation: 1500–2400 m

Distribution

V21-264-distribution-map.gif

Ariz., N.Mex., Mexico (Chihuahua), Mexico (Durango)

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Verbesina longifolia"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
attenuate +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) A. Gray +
bristlelike +
subulate +
rounded +
Actinomeris longifolia +
compound +  and simple +
12 cm120 mm <br />0.12 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
9 cm90 mm <br />0.09 m <br /> (12 cm120 mm <br />0.12 m <br />) +
lobed;elliptic;lanceolate or lance-linear +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
hairy +  and glabrous +
oblanceolate +  and elliptic +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Mexico (Chihuahua) +  and Mexico (Durango) +
1500–2400 m +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky slopes +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.1 cm11 mm <br />0.011 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
less hemispheric;saucerlike +
1.5 cm15 mm <br />0.015 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 +
obscurely toothed +  and subentire +
2-carpellate +
persistent +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Flowering (Jul–)Sep–Oct. +
linear +  and lance-linear +
less erect +  and spreading +
18 +  and 24 +
unequal +  and subequal +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Proc. Amer. Acad. Arts +
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 longifolia +
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 />) +
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +