Vernonia flaccidifolia

Small

Bull. Torrey Bot. Club 25: 144. 1898.

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

Plants 10–20+ dm. Stems glabrous. Leaves mostly cauline; blades ± lanceolate, 10–25 (–30+) cm × 15–35 (–60+) mm, l/w = 5–7+, abaxially puberulous, not resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted. Heads in paniculiform-scorpioid arrays. Peduncles 1–8 (–15) mm. Involucres broadly campanulate to hemispheric, 4–5+ × 4–5 mm. Phyllaries 30–45+ in 5–6 series, glabrescent, margins ciliolate, the outer lanceovate, 1–3 mm, inner lance-oblong to oblong, 3.5–5 mm, tips rounded. Florets 15–25+. Cypselae 3–3.5 mm; pappi stramineous to whitish, outer scales 25–35, 0.8–1.1 mm, contrasting with 35–45+, 5–6+ mm inner bristles. 2n = 34.


Phenology: Flowering Aug.
Habitat: Disturbed places in woodlands
Elevation: 90–400 m

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.

... more about "Vernonia flaccidifolia"
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 />) +
paniculiform-scorpioid +
John L. Strother +
cuneate +
compound +  and simple +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (6 cm60 mm <br />0.06 m <br />) +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
not resin-gland-dotted +, glabrescent +  and puberulous +
scabrellous +
lanceolate +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 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 +
fertile +  and bisexual +
Ala. +, Ga. +  and Tenn. +
90–400 m +
gland-dotted +
sparsely strigillose +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Disturbed places in woodlands +
pedunculate +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
broadly campanulate;hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
petiolate +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
2-carpellate +
stramineous +  and whitish +
persistent +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering Aug. +
30 +  and 45 +
Bull. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
subulate +  and setiform +
exalbuminous +
prostrate +  and ascending +
appendaged +  and truncate +
hirsutulous +
Compositae +
Vernonia flaccidifolia +
Vernonia +
species +
rounded +