Erigeron karvinskianus explained

Erigeron karvinskianus, the Mexican fleabane, is a species of daisy-like flowering plant in the family Asteraceae, native to Mexico and parts of Central America.

Other common names include Latin American fleabane,[1] Santa Barbara daisy, Spanish daisy, Karwinsky's fleabane, or bony-tip fleabane.

Description

It is a vigorous, spreading perennial plant growing from woody rhizomes to a maximum height of 15cm (06inches). Its leaves are located along the stem, the basal leaves dying off as the plant bolts. They are sometimes slightly toothed or lobed near the tips. The inflorescences hold one or more flower heads which are each about 1 cm (0.4 inches) wide. They have golden yellow disc florets in the center surrounded by a fringe of up to 80 white to pinkish ray florets.[2]

Flowering

In the UK, it flowers from May to October.[3]

Distribution

Erigeron karvinskianus is native to much of Mexico, Central America, Colombia and Venezuela.[4] [5] [6] and is naturalized in many other places,[7] including parts of Africa and Europe,[8] Australia,[9] Hong Kong,[10] Chile and the west coast of the United States.[11]

Taxonomy

The plant was first described in 1836 by Augustin Pyramus de Candolle.[12] The specific epithet refers to Wilhelm Friedrich Karwinski von Karwin,[13] who collected the plant in Mexico according to de Candolle.[12]

Cultivation

Erigeron karvinskianus is also cultivated for its daisy-like blooms, and is often confused with the closely related true daisy Bellis perennis. It is frequently grown in crevices in walls or paving,[14] where it rapidly spreads to provide a carpet of flowers.[15] It has gained the Royal Horticultural Society's Award of Garden Merit.[16] [17] It was used to colonise the concrete terraces of the football stadium (Estadio Azteca) built in Mexico City for the 1970 World Cup.[14]

External links

Notes and References

  1. http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Erigeron+karvinskianus Calflora taxon report, University of California, Erigeron karvinskianus DC., Latin American fleabane
  2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242422270 Flora of North America, Erigeron karvinskianus de Candolle. 1836. Karwinsky’s fleabane
  3. https://claireaustin-hardyplants.co.uk/products/erigeron-karvinskianus-lavender-lady Claire Austin website
  4. https://www.biodiversitylibrary.org/item/122620#page/695/mode/1up Solbrig, O. T. 1962. The South American species of Erigeron. Contributions from the Gray Herbarium of Harvard University 191: 3–79
  5. García-Mendoza, A. J. & J. A. Meave. 2011. Diversidad Florística de Oaxaca: de Musgos a Angispermas 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria
  6. http://www.phytoneuron.net/PhytoN-Erigkarvinskianus.pdf Nesom, G.L. and J.F. Pruski. 2011. Resurrected species of Erigeron (Asteraceae: Astereae) from Central America.Phytoneuron 2011-36: 1–10.
  7. http://www.cabi.org/isc/datasheet/114202 CABI, Commonwealth Agricultural Bureaux International, Invasive Species Compendium, Erigeron karvinskianus (Karwinsky’s fleabane)
  8. http://luirig.altervista.org/flora/taxa/index1.php?scientific-name=erigeron+karvinskianus Altervista Flora Italiana, Cespica di von Karwinski auf Karwin, Erigeron karvinskianus de Candolle
  9. http://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:apni.taxon:685712 Atlas of Living Australia, Erigeron karvinskianus DC., Bony-tip Fleabane
  10. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242422270 Flora of China, Erigeron karvinskianus Candolle, 1836. 加勒比飞蓬 jia le bi fei peng
  11. http://bonap.net/MapGallery/County/Erigeron%20karvinskianus.png Biota of North America Program 2014 county distribution map
  12. Book: de Candolle, Augustin Pyramus . 1836 . Prodromus systematis naturalis regni vegetabilis . Erigeron karvinskianum . https://www.biodiversitylibrary.org/page/151720 . 285 . 2014-02-11 . (De Candolle used neuter endings for the specific epithets of Erigeron, but the word is masculine, being derived from the Ancient Greek word Greek, Ancient (to 1453);: γέρων, geron, old man.)
  13. Book: Hyam . R. . Pankhurst . R.J. . 1995 . Plants and their names : a concise dictionary . Oxford . Oxford University Press . 978-0-19-866189-4 . amp . 178.
  14. News: Klein. Carol. Build your own daisy wall. 14 June 2017. The Telegraph. 10 August 2002.
  15. Book: RHS A-Z encyclopedia of garden plants. 2008. Dorling Kindersley. United Kingdom. 978-1405332965. 1136.
  16. Web site: Erigeron karvinskianus AGM. Royal Horticultural Society. 7 June 2020.
  17. Web site: AGM Plants - Ornamental . July 2017 . 36 . Royal Horticultural Society . 6 February 2018.

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