Difference between revisions of "Galinsoga quadriradiata"
Syst. Veg. Fl. Peruv. Chil. 1: 198. 1798.
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|place=1: 198. 1798 | |place=1: 198. 1798 | ||
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|elevation=0–2500 m | |elevation=0–2500 m | ||
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Ark.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;Wash.;W.Va.;Wis.;Mexico;West Indies;Central America;South America;introduced in Europe;Asia;Africa;Pacific Islands. | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Ark.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;Wash.;W.Va.;Wis.;Mexico;West Indies;Central America;South America;introduced in Europe;Asia;Africa;Pacific Islands. | ||
| + | |introduced=true | ||
|discussion=<p>Tetraploids of <i>Galinsoga quadriradiata</i> are native to Mexico. Higher polyploids are found in South America and differ from the tetraploids by their coarsely crenate-serrate leaves, cylindro-campanulate involucres, and usually reddish purple limbs of ray corollas that extend at right angles to involucres.</p> | |discussion=<p>Tetraploids of <i>Galinsoga quadriradiata</i> are native to Mexico. Higher polyploids are found in South America and differ from the tetraploids by their coarsely crenate-serrate leaves, cylindro-campanulate involucres, and usually reddish purple limbs of ray corollas that extend at right angles to involucres.</p> | ||
|tables= | |tables= | ||
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|publication title=Syst. Veg. Fl. Peruv. Chil. | |publication title=Syst. Veg. Fl. Peruv. Chil. | ||
|publication year=1798 | |publication year=1798 | ||
| − | |special status= | + | |special status=Weedy;Introduced;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_446.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Galinsoginae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Galinsoginae | ||
Latest revision as of 20:12, 5 November 2020
Plants 8–62 cm. Leaf blades 20–60 × 15–45 mm. Peduncles 5–20 mm. Involucres hemispheric to campanulate, 3–6 mm diam. Phyllaries falling. Paleae: outer falling, broadly elliptic to obovate, 2–3 mm; inner falling, linear to lanceolate, 2–3 mm, entire or 2- or 3-lobed, lobes to 1/3 total lengths, blunt. Ray florets (4–)5(–8); corollas usually white, sometimes pink, laminae 0.9–2.5 × 0.9–2 mm. Disc florets 15–35. Cypselae: rays 1.5–2 mm; discs 1.3–1.8 mm; pappi: rays of 6–15 fimbriate scales 0.5–1 mm; discs 0, or of usually 14–20, rarely 1–5, white, lanceolate to oblanceolate, fimbriate, sometimes aristate, scales 0.2–1.7 mm. 2n = 32 [48, 64].
Phenology: Flowering and fruiting summer–fall.
Habitat: Disturbed soils, fields, orchards, gardens, lawns, roadsides
Elevation: 0–2500 m
Distribution
Introduced; Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Ala., Ark., Colo., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., Wash., W.Va., Wis., Mexico, West Indies, Central America, South America, introduced in Europe, Asia, Africa, Pacific Islands.
Discussion
Tetraploids of Galinsoga quadriradiata are native to Mexico. Higher polyploids are found in South America and differ from the tetraploids by their coarsely crenate-serrate leaves, cylindro-campanulate involucres, and usually reddish purple limbs of ray corollas that extend at right angles to involucres.
Selected References
None.