Euphorbia paralias

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Euphorbia paralias
Euphorbia paralias01.jpg
Sea Spurge in La Revellata, Corsica
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. paralias
Binomial name
Euphorbia paralias
L.

Euphorbia paralias, the Sea Spurge, [1] is a species of flowering plant in the family Euphorbiaceae, native to Europe, northern Africa and western Asia. [2]

Contents

The species is widely naturalised in Australia. [3] It invades coastal areas, displacing local species and colonising open sand areas favoured by certain nesting birds. [4] Major eradication programs have been undertaken in some areas, for example by Sea Spurge Remote Area Teams in Tasmania, with great success. [5]

Description

E. paralias is an erect, glaucous, perennial plant, growing up to 70 centimetres (28 in) tall. It has many stems, dividing into 3–5 fertile branches, each branching further. The cauline leaves (arising from the stem, without a stalk) are crowded, overlapping, elliptic-ovate (ovate toward the top of the stems), fleshy and 5–20 millimetres (0.2–0.8 in) long. Leaves on fertile branches are circular-rhombic or reniform. The flower head is on a solitary cyathium, found in upper forks or at the apex, surrounded by bell-shaped bracts. Female flowers have styles that divide into two short stigmas, flowering from September to May. The fruit is a capsule, flattened from above or nearly spherical, with deep furrows, and wrinkled on keels. Seeds are ovoid, pale-grey and smooth. There is a kidney-shaped fleshy outgrowth from the seed coat. [6] [3]

Habitat

E. paralias inhabits sandy sea-shores. [7]

Related Research Articles

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<i>Acalypha rhomboidea</i> Species of flowering plant

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<i>Euphorbia balsamifera</i> Species of flowering plant in the spurge family Euphorbiaceae

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<i>Varronia curassavica</i> Species of flowering plant

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<i>Euphorbia royleana</i> Species of plant in the family Euphorbiaceae

Euphorbia royleana is a species of flowering plant in the family Euphorbiaceae. It is also known as Sullu spurge, and Royle's spurge. It is a succulent and almost cactus like in appearance although unrelated. It grows right across the Himalaya mountains from Pakistan, India, Bhutan, Myanmar, Nepal to western China. It prefers dry and rocky slopes between 1000 and 1500 meters, but has been found up to 2000 meters. Flowering and fruiting is in spring to early summer (March–July) and seeding is in June–October. It is used as a hedging plant in northern India and has medicinal uses.

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Euphorbia aaron-rossii, also known as the Marble Canyon spurge, is a perennial, herbaceous plant species of Euphorbia native to Arizona. It's most closely related to E. strictior and E. wrightii, but needs more study.

<i>Euphorbia virgata</i> Species of flowering plant

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<i>Euphorbia nivulia</i> Species of succulent flowering plant in the family Euphorbiaceae

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References

Euphorbia paralias - MHNT Euphorbia paralias MHNT.BOT.2008.1.13.jpg
Euphorbia paralias - MHNT
  1. David Chapman (2008). Exploring the Cornish Coast. Penzance: Alison Hodge. p. 45. ISBN   9780906720561.
  2. "Euphorbia paralias". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 2008-12-23.
  3. 1 2 James, T.A. & G.J. Harden. "Euphorbia paralias". PlantNET – New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 2008-12-23.
  4. "Have you seen this beach weed?". Department of Primary Industries, Water and Environment (Tasmania). Archived from the original on 22 April 2011. Retrieved 30 May 2011.
  5. "Wildcare SPRATS volunteer weed eradication project". Parks and Wildlife Service Tasmania. Archived from the original on 2017-12-07. Retrieved 2023-11-24.
  6. Boyce, Lauran; Buckeridge, John (2018). The terrestrial plants of the Rickett's Point Urban Sanctuary : Beaumaris Vic 3193. Beaumaris, Victoria: Greypath Productions. p. 73. ISBN   978-1760019716 . Retrieved 7 November 2020.
  7. Tutin. Flora Europaea, vol. 2.