Cyanthillium cinereum

(Linnaeus) H. Robinson

Proc. Biol. Soc. Wash. 103: 252. 1990.

IntroducedIllustrated
Basionym: Conyza cinerea Linnaeus Sp. Pl. 2: 862. 1753
Synonyms: Vernonia cinerea (Linnaeus) Lessing
Treatment appears in FNA Volume 19. Treatment on page 205.

Leaf-blades 20–35 (–50+) × 12–25 (–30+) mm (including petioles). Peduncles 3–10 (–20+) mm. Bracts ± linear at proximal nodes, wanting distally. Phyllaries 3–4 mm. Cypselae 1.5–2 mm; pappi white, outer scales 0.1–0.3 mm, inner bristles 3–4 mm. 2n = 36.


Phenology: Flowering year-round.
Habitat: Disturbed places
Elevation: 0–10 m

Distribution

V19-247-distribution-map.gif

Introduced; Fla., Mexico, West Indies, Central America, South America, Asia, Africa, Indian Ocean Islands, Pacific Islands

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 "Cyanthillium cinereum"
resin-gland-dotted +, strigillose +, less hirtellous +  and densely piloso-strigillose +
scarious +
ovate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
(Linnaeus) H. Robinson +
cuneate +
Conyza cinerea +
compound +  and simple +
ovate;trullate deltate oblanceolate or spatulate +
ribbed;nerved;ribbed;nerved;smooth +
lance-linear;more or less lanceolate +
zygomorphic +, actinomorphic +  and (3-)5-merous +
lavender +  and pink or purplish +
fertile +  and bisexual +
Fla. +, Mexico +, West Indies +, Central America +, South America +, Asia +, Africa +, Indian Ocean Islands +  and Pacific Islands +
0–10 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Disturbed places +
pedunculate +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
10 cm100 mm <br />0.1 m <br /> (?) +  and 15 cm150 mm <br />0.15 m <br /> (?) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
less campanulate;turbinate or hemispheric +
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
sessile +  and petiolate +
entire +  and serrate +
subulate +  and lanceolate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
2-carpellate +
persistent +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering year-round. +
24 +  and 32 +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Proc. Biol. Soc. Wash. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
Introduced +  and Illustrated +
prostrate +  and ascending +
appendaged +  and truncate +
hirsutulous +
Vernonia cinerea +
Cyanthillium cinereum +
Cyanthillium +
species +
apiculate +  and spinose +