Galinsoga parviflora

Cavanilles

Icon. 3: 41, plate 281. 1795.

WeedyIllustrated
Treatment appears in FNA Volume 21. Treatment on page 181.

Plants 4–60 cm. Leaf-blades 7–110 × 3–70 (–80) mm. Peduncles 1–40 mm. Involucres campanulate, 2.5–5 mm diam. Phyllaries persistent. Paleae: outer persistent with distal phyllaries or falling, elliptic to obovate; inner usually persistent, lanceolate to ovate or obovate, 2–3.5 mm, 3-lobed, lobes to 1/3+ total lengths, acute. Ray-florets (3–) 5 (–8); corollas usually dull white (pink), laminae 0.5–1.8 × 0.7–1.5 mm. Disc-florets 15–50. Cypselae: rays 1.5–2.5 mm; discs 1.3–2.5 mm, glabrous or strigose; pappi: rays 0 or of 5–10, laciniate scales 0.5–1 mm; discs 0, or of 15–20 white or gray, linear, fimbriate, obtuse (acute) scales 0.5–2 mm.

Distribution

V21-443-distribution-map.gif

B.C., Man., N.B., Ont., Que., Ariz., Calif., Colo., Conn., D.C., Ill., Ind., Iowa, Kans., Ky., Mass., Md., Mich., Minn., Mo., N.Dak., N.J., N.Mex., N.Y., Nebr., Ohio, Oreg., Pa., R.I., Tex., Va., Vt., W.Va., Wis., West Indies, Central America, South America, in Europe, Asia, Africa, Australia

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Leaf blades lanceolate to broadly ovate, margins serrulate to serrate; arrays of heads loose; axillary peduncles longer than subtending bractlets Galinsoga parviflora var. parviflora
1 Leaf blades lanceolate, oblong, or ovate, margins usually entire or serrulate, sometimes serrate; arrays of heads congested; axillary peduncles shorter than subtending bractlets Galinsoga parviflora var. semicalva
... more about "Galinsoga parviflora"
not tailed +, rounded +  and obtuse +
darkened +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Judith M. Canne-Hilliker +
Cavanilles +
decurrent +
compound +  and simple +
lanceolate;broadly ovate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
strigose +  and glabrous +
obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
strigose +  and glabrous +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
B.C. +, Man. +, N.B. +, Ont. +, Que. +, Ariz. +, Calif. +, Colo. +, Conn. +, D.C. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Mass. +, Md. +, Mich. +, Minn. +, Mo. +, N.Dak. +, N.J. +, N.Mex. +, N.Y. +, Nebr. +, Ohio +, Oreg. +, Pa. +, R.I. +, Tex. +, Va. +, Vt. +, W.Va. +, Wis. +, West Indies +, Central America +, South America +, in Europe +, Asia +, Africa +  and Australia +
glabrate +  and densely pilose +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
discoid +  and radiate +
in loose to tight +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate +
0.5mm;1.8mm +
0.7mm;1.5mm +
7 cm70 mm <br />0.07 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (7 cm70 mm <br />0.07 m <br />) +
serrate +, serrulate +  and entire +
2-carpellate +
persistent +
inner +  and outer +
3-lobed;lanceolate;ovate or obovate +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
entire +  and erose +
gray +  and white +
persistent +
fimbriate +
0.1 cm1 mm <br />0.001 m <br /> (4 cm40 mm <br />0.04 m <br />) +
unequal +  and subequal +
of 5;10 , laciniate scales +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
bearing subulate enations +, hairy +  and bristly +
15 +  and 20 +
obtuse +, fimbriate +  and laciniate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
exalbuminous +
Weedy +  and Illustrated +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Galinsoga parviflora +
Galinsoga +
species +
cylindric +
toothed +  and entire +
2 cm20 mm <br />0.02 m <br /> (62 cm620 mm <br />0.62 m <br />) +