Vernonia missurica

Rafinesque

Herb. Raf., 28. 1833.

Endemic
Treatment appears in FNA Volume 19. Treatment on page 212. Mentioned on page 208.

Plants 6–12 (–20+) dm. Stems puberulent. Leaves mostly cauline; blades elliptic to lanceovate or lanceolate, 6–16 (–20+) cm × 18–48+ mm, l/w = 2.5–4 (–6+), abaxially usually puberulent to tomentose or pannose (hairs ± erect, ± curled), seldom glabrate, resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted. Heads in corymbiform-scorpioid arrays. Peduncles 3–35 mm. Involucres broadly campanulate to urceolate, (6–) 7–10+ × 5–9+ mm. Phyllaries 50–70+ in 6–7 series, sparsely scabrellous, glabrescent (seldom resin-gland-dotted), margins ciliolate, the outer lanceolate, 1–2 mm, inner linear-oblong to oblong, 6–7 (–9+) mm, tips acute or rounded-apiculate. Florets 30–55+. Cypselae 3.5–4; pappi stramineous to whitish, outer scales 25–30, 0.5–1.1 mm, contrasting with 35–40+, 6–8+ mm inner bristles. 2n = 34.


Phenology: Flowering Jul–Sep.
Habitat: Prairies, loamy to sandy soils
Elevation: 30–200 m

Distribution

V19-266-distribution-map.gif

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

Discussion

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Vernonia missurica"
resin-gland-dotted +, glabrous +, glabrate +, tomentose +  and pannose +
resin-gland-dotted +  and glabrate +
acute;attenuate +
scarious +
ovate +  and lanceolate +
less corymbiform +  and paniculiform +
indeterminate +  and determinate +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
corymbiform-scorpioid +
John L. Strother +
Rafinesque +
cuneate +
compound +  and simple +
16 cm160 mm <br />0.16 m <br /> (20 cm200 mm <br />0.2 m <br />) +
6 cm60 mm <br />0.06 m <br /> (16 cm160 mm <br />0.16 m <br />) +
not resin-gland-dotted +, glabrescent +, resin-gland-dotted +, glabrate +, abaxially usually puberulent +  and tomentose or pannose +
scabrellous +
elliptic;lanceovate or lanceolate +
1.8 cm18 mm <br />0.018 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
ribbed;nerved;ribbed;nerved;smooth +
lance-linear;more or less lanceolate +
zygomorphic +, actinomorphic +  and (3-)5-merous +
pink +  and purplish +
resin-gland-dotted +, more or less strigillose +  and hirtellous +
3.5 +  and 4 +
fertile +  and bisexual +
Ala. +, Ark. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Mich. +, Miss. +, Mo. +, Okla. +, Tenn. +  and Tex. +
30–200 m +
gland-dotted +
sparsely strigillose +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Prairies, loamy to sandy soils +
pedunculate +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
broadly campanulate;urceolate +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
petiolate +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
2-carpellate +
stramineous +  and whitish +
persistent +
0.3 cm3 mm <br />0.003 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Flowering Jul–Sep. +
50 +  and 70 +
scabrellous +
Herb. Raf., +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
subulate +  and setiform +
exalbuminous +
prostrate +  and ascending +
puberulent +
appendaged +  and truncate +
hirsutulous +
Compositae +
Vernonia missurica +
Vernonia +
species +
rounded-apiculate +  and acute +