Verbesina microptera

de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 616. 1836.

Treatment appears in FNA Volume 21. Treatment on page 108. Mentioned on page 106.

Plants 50–250 cm (perennating bases ± erect, internodes winged). Leaves all or mostly alternate (proximal usually opposite); blades deltate-ovate or deltate to lanceolate, 4–10 (–25+) × 2–6 (–15) cm, bases broadly cuneate to ± truncate, margins coarsely toothed to subentire, apices obtuse to acute, faces ± hirtellous. Heads 30–80+ in ± paniculiform arrays. Involucres ± hemispheric, 5–7 mm diam. Phyllaries 12–15+ in 2 series, ± erect, spatulate to linear, 2.5–4 mm. Ray-florets (9–) 10–12+; laminae 4–6 mm. Disc-florets 20–25+; corollas ochroleucous or white. Cypselae dark-brown to blackish, oblanceolate, 4–5 mm, faces ± hirtellous or glabrous; pappi 1.5–2+ mm. 2n = 34.


Phenology: Flowering (May–)Jul–Sep(–Dec).
Habitat: Swales, disturbed sites
Elevation: 10–100 m

Distribution

V21-255-distribution-map.gif

Tex., Mexico (Nuevo León), Mexico (Tamaulipas)

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Verbesina microptera"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
obtuse;acute +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
John L. Strother +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
bristlelike +
subulate +
broadly cuneate +  and more or less truncate +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
deltate;lanceolate +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
white +  and ochroleucous +
dark-brown +  and blackish +
hairy +  and glabrous +
oblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +, Mexico (Nuevo León) +  and Mexico (Tamaulipas) +
10–100 m +
glabrous +  and hirtellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Swales, disturbed sites +
discoid +  and radiate +
in corymbiform , dichasiiform or paniculiform , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
less deltate +  and lance-deltate +
dentate to pinnatifid or palmatifid +  and entire +
coarsely toothed +  and subentire +
2-carpellate +
persistent +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering (May–)Jul–Sep(–Dec). +
12 +  and 15 +
unequal +  and subequal +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
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 microptera +
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 />) +