Difference between revisions of "Cyclachaena xanthiifolia"
Index Seminum (Frankfurt) 1836: 4. 1836.
FNA>Volume Importer |
FNA>Volume Importer |
||
| Line 11: | Line 11: | ||
|name=Iva xanthiifolia | |name=Iva xanthiifolia | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
|publication_title=Gen. N. Amer. Pl. | |publication_title=Gen. N. Amer. Pl. | ||
|publication_place=2: 185. 1818 (as xanthifolia) | |publication_place=2: 185. 1818 (as xanthifolia) | ||
| Line 38: | Line 39: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Cyclachaena xanthiifolia | name=Cyclachaena xanthiifolia | ||
| − | |||
|authority=(Nuttall) Fresenius | |authority=(Nuttall) Fresenius | ||
|rank=species | |rank=species | ||
| Line 53: | Line 53: | ||
|publication year=1836 | |publication year=1836 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_50.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | ||
Revision as of 20:37, 16 December 2019
Leaves: petioles 1–7(–12+) cm; blades 6–12(–20+) × 5–12(–18+) cm. Peduncles 1–6(–12+) mm. Involucres 2–3 mm. Phyllaries: outer 5 ± herbaceous, sericeous to strigillose, inner scarious to membranous, glabrous or glabrate. Paleae 2–2.5 mm. Pistillate florets: corollas 0.1–0.5 mm, or 0. Functionally staminate florets: corollas 2–2.5 mm. Cypselae 2–2.5(–3) mm. 2n = 36.
Phenology: Flowering Jul–Oct.
Habitat: Disturbed sites: abandoned fields, bottomlands, flood plains, stream banks
Elevation: 1–1300 m
Distribution
Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Ariz., Calif., Conn., Colo., D.C., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tex., Utah, Vt., Va., Wash., Wis., Wyo.
Discussion
Cyclachaena xanthiifolia is thought to be native to North American prairies and is evidently adventive east of the Mississippi River and in western states. It was recorded once from California as a weed in commercially grown carrots (specimen in CAS).
Selected References
None.