Verbesina nana

(A. Gray) B. L. Robinson & Greenman

Proc. Amer. Acad. Arts 34: 543. 1899.

Basionym: Ximenesia encelioides var. nana A. Gray Smithsonian Contr. Knowl. 5(6): 92. 1853
Treatment appears in FNA Volume 21. Treatment on page 110. Mentioned on page 106, 107.

Plants mostly 7–15+ cm (perennating bases ± erect, internodes not winged). Leaves all or mostly opposite (distal sometimes alternate); blades ± deltate to rhombic, 3–8+ × 2–5+ cm, bases ± cuneate, margins raggedly toothed, apices obtuse to acute, faces strigoso-sericeous. Heads borne singly or 2–3 together. Involucres shallowly bowl-shaped, 15–25+ mm diam. Phyllaries 28–35+ in 2–3 series, ± erect, linear to lanceolate, 8–12+ mm. Ray-florets 12–16+; laminae 10–12+ mm. Disc-florets 80–150+; corollas yellow to orange. Cypselae blackish, ± elliptic, 6.5–8 mm, faces ± strigillose; pappi 0.5–1+ mm. 2n = 68.


Phenology: Flowering May(–Oct).
Habitat: Silty flats, roadsides, desert scrub
Elevation: 1000–2000 m

Distribution

V21-261-distribution-map.gif

N.Mex., Tex., Mexico (Coahuila)

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Verbesina nana"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
obtuse;acute +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, dichasiiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) B. L. Robinson & Greenman +
bristlelike +
subulate +
cuneate +
Ximenesia encelioides var. nana +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
less deltate;rhombic +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and orange +
hairy +  and glabrous +
oblanceolate +  and more or less elliptic +
fertile +  and bisexual +
fertile +  and bisexual +
N.Mex. +, Tex. +  and Mexico (Coahuila) +
1000–2000 m +
strigillose +  and strigoso-sericeous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Silty flats, roadsides, desert scrub +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
bowl--shaped +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 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 /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering May(–Oct). +
28 +  and 35 +
unequal +  and subequal +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 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 nana +
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 />) +