Iva

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Heliantheae
Subtribus: Ambrosiinae
Genus: Iva
Species: I. annua – I. asperifolia – I. axillaris – I. cheiranthifolia – I. corvinii – I. frutescens – I. hayesiana – I. imbricata – I. microcephala – I. nevadensis – I. oraria – I. pedicellata – I. texensis – I. xanthiifolia
Name

Iva L., Sp. Pl. 2: 988.

Type species: Iva annua L., Sp. Pl. 2: 988.

Synonyms

Heterotypic
Denira Adans., Fam. Pl. (Adanson) 2: 118. (1763)
Cyclachaena Fresen., Ind. Sem. Hort. Frankf. 4: (1836) This is a taxonomic opinion depending on the status of Iva sect. Picrotus see Pruski, (2005) c.f. Hassler (2018).
Oxytenia Nutt., Proc. Acad. Nat. Sci. Philadelphia iv. 20 (1848)
Iva sect. Chorisiva A.Gray, Syn. Fl. N. Amer. 1(2): 247. (1884)
Leuciva Rydb., N. Amer. Fl. 33(1): 8. (1922)

References

Linnaeus, C. 1753. Species Plantarum. Tomus II: 988. Reference page.
Hassler, M. 2018. Iva. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 January 30. Reference page.
International Plant Names Index. 2018. Iva. Published online. Accessed: January 30 2018.
Pruski, J.F. 2005. Nomenclatural notes on Cyclachaena (Compositae: Heliantheae), resurrection and lectotypification of Iva sect. Picrotus, and report of Iva (syn. Cyclachaena) as new to Armenia. Compositae Newsletter 42: 32–42.
Tropicos.org 2018. Iva. Missouri Botanical Garden. Published online. Accessed: 30 January 2018.

Links

Iva L. – Taxon details on Integrated Taxonomic Information System (ITIS).
Iva – Taxon details on National Center for Biotechnology Information (NCBI).

Vernacular names
Deutsch: Schlagkräuter
English: Marsh Elders
français: Iva
Nederlands: Iva

Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753.[2][3] Plants of this genus are known generally as marsh elders.[4] The genus is native to North America.[5]

Accepted species[6][7]

Iva angustifolia - southeastern + south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Florida)
Iva annua - United States, primarily south-central region; Tamaulipas
Iva asperifolia - south-central United States (Texas Oklahoma Louisiana Arkansas Kansas Indiana), Veracruz
Iva axillaris - western United States + Canada
Iva cheiranthifolia - Cuba
Iva ciliata - south-central United States
Iva corbinii B.L. Turner - Texas[8]
Iva dealbata - United States (Texas New Mexico), Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí)[9]
Iva frutescens - coastal areas from Texas to Nova Scotia
Iva hayesiana - California, Baja California
Iva imbricata - coastal areas from Texas to Virginia; Bahamas[10]
Iva microcephala - southeastern United States (Alabama Florida Georgia North Carolina South Carolina)
Iva xanthiifolia (synonym Cyclachaena xanthiifolia) - widespread in United States + Canada, introduced elsewhere

References

lectotype designated by N. L. Britton et A. Brown, Ill. Fl. N. U. S. ed. 2. 3: 338 (1913)
Tropicos, Iva L.
Linnaeus, Carl von. 1753. Species Plantarum 2: 988-989 in Latin
USDA, NRCS (n.d.). "Iva". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 3 August 2016.
Flora of North America, Vol. 21 Page 25 Marsh elder Iva Linnaeus, Sp. Pl. 2: 988. 1753; Gen. Pl. ed. 5, 426. 1754.
The Plant List search for Iva
Biota of North America Program 2013 county distribution maps
Turner, Billie Lee. 2009. Iva corbinii (Asteraceae), a remarkable new species from Travis County, Texas. Lundellia 12:5-7 includes color photo of type specimen and another of the plant in the field
Tropicos, Iva dealbata A. Gray
Tropicos, Iva imbricata