Biology:Euphorbia characias

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Short description: Species of flowering plant in the spurge family Euphorbiaceae

Euphorbia characias
Euphorbia characias RJB.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. characias
Binomial name
Euphorbia characias
Synonyms[1]
Euphorbia characias, Sète 01.jpg

Euphorbia characias, the Mediterranean spurge[2] or Albanian spurge,[3] is a species of flowering plant in the family Euphorbiaceae typical of the Mediterranean vegetation. It is an upright, compact evergreen shrub growing to 1.2 m (3 ft 11 in) tall and wide.

Description

It has many medium to tall unbranched stems with long narrow leaves, clothed densely in short hair (tomentose), and dark (ssp characias) or yellow (ssp wulfenii) floral nectar glands within the yellow cup-like cyathia, which are borne in large dense spherical to oblong clusters, from spring to early summer.[4] The fruits are smooth densely-hairy capsules. It is a tough plant, capable of resisting long periods of drought. It grows preferably in dry areas, often far away from the water table, both in flat as well as in mountainous terrain. This plant can also resist high salinity.[5] [6]

Similar species include E. kotschyana (leaf uppersides shiny) and E. thompsonii (leaves hairy but upper leaves unexpectedly very short).[6]

Subspecies

Two main subspecies are found in different regions of the Mediterranean Basin; these often overlap in the western areas of distribution:.

  • E. characias L. subsp. characias. From Portugal to Crete (floral glands dark, stems to 80 cm[7]).
  • E. characias subsp. wulfenii (Hoppe ex W.D.J.Koch) Radcl.-Sm.. From Southern France to Anatolia (floral glands yellow, stems to 180 cm[7]).

Cultivation

Euphorbia characias is valued as an ornamental plant for its ability to survive drought and its groundcovering capabilities. It is suitable for any location, sheltered or exposed, in light soil in full sun. It is fully hardy down to −10 °C (14 °F).[4]

Cultivars

Garden cultivars are sold under the names ‘Black Pearl’, ‘Thelma's Giant’, ‘Lambrook Gold’, ‘Silver Swan’ and ‘Tasmanian Tiger’, among others. They come in a variety of colors, from silvery grey and bluish green to greenish yellow. These garden varieties are valued in Mediterranean or desert landscaping for not being highly demanding and for looking good despite lack of watering in sunny areas.[8]

The following cultivars have gained the Royal Horticultural Society's Award of Garden Merit:-[9]

  • ‘Tasmanian Tiger’[10]
  • ‘Whistleberry Garnet’[11]
  • E. characias subsp. characias ‘Blue Hills’[12]
  • E. characias subsp. wulfenii ‘Jimmy Platt’[13]


Uses

This plant also has uses in traditional medicine; like many other species of genus Euphorbia[14] its toxic white and sticky sap has been used to treat skin excrescences, like cancers, tumors, and warts, since ancient times.

Gallery

References

  1. ↑ "The Plant List: A Working List of All Plant Species". http://www.theplantlist.org/tpl/search?q=Euphorbia+characias. 
  2. ↑ (xls) BSBI List 2007, Botanical Society of Britain and Ireland, https://bsbi.org/download/3542/, retrieved 2014-10-17 
  3. ↑ "Euphorbia characias". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=EUCH13. Retrieved 26 April 2015. 
  4. ↑ 4.0 4.1 RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. pp. 1136. ISBN 978-1405332965. 
  5. ↑ "Espècies d'habitats allunyades del freàtic". http://www.emasconsultors.com/pymegestio/platges/general/herbari/Herbari. 
  6. ↑ 6.0 6.1 Davis. Flora of Turkey and the East Aegean Islands, vol. 7. 
  7. ↑ 7.0 7.1 Tutin. Flora Europaea, vol. 2. 
  8. ↑ "Mediterranean Landscaping". http://www.naturaliajardiners.com/plantes/pag/fitxes/e/Euphorbia%20characias.htm. 
  9. ↑ "AGM Plants - Ornamental". Royal Horticultural Society. July 2017. p. 38. https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf. 
  10. ↑ "RHS Plantfinder - Euphorbia characias 'Tasmanian Tiger'". https://www.rhs.org.uk/Plants/201508/i-Euphorbia-characias-i-Tasmanian-Tiger-sup-(PBR)-sup-(v)/Details. 
  11. ↑ "RHS Plantfinder - Euphorbia 'Whistleberry Garnet'". https://www.rhs.org.uk/Plants/142488/i-Euphorbia-i-Whistleberry-Garnet/Details. 
  12. ↑ "RHS Plantfinder - Euphorbia characias subsp. characias 'Blue Hills'". https://www.rhs.org.uk/Plants/75196/i-Euphorbia-characias-i-subsp-i-characias-i-Blue-Hills/Details. 
  13. ↑ "RHS Plantfinder - Euphorbia characias subsp. wulfenii 'Jimmy Platt'". https://www.rhs.org.uk/Plants/140098/i-Euphorbia-characias-i-subsp-i-wulfenii-i-Jimmy-Platt/Details. 
  14. ↑ Lletereses (in Catalan)
  • Seidel, Denkwart. Blumen am Mittelmeer, München 2002, ISBN:3-405-16294-7

External links

Wikidata ☰ Q425890 entry



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