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Sea Spurge Euphorbia paralias 

 
 
Perennial Life CyclePerennial life cycle
No PetalsNo petals
Green FlowersGreen flowers
No PetalsNo petals
Jun-Sep Flowering
period
Whorled LeavesWhorled leaves
Smooth-Edged LeavesSmooth-edged leaves
Round StemRound stem
Tap RootTap root
50cmMaximum height
 
 
  Main image of Sea Spurge

© 2020-2025 Adrian Briggs

 

Sea Spurge is a native perennial plant of the UK, typically found growing in sand dunes and shingle beaches, to a mature height of up to 50cm.

Sea Spurge is an erect, largely unbranched, smooth succulent plant. It throws up multiple stems from its base, each covered in whorls of unstalked bluish-green leaves. The stems may be green or reddish in colour. Sea Spurge bears yellowish-green flowerheads, with flowers devoid of petals, in terminal umbels. Each flowerhead contains one female flower, surrounded by multiple male flowers, with four gold-coloured nectar-producing glands at the base to attract pollinators.

Botanic classification and naming: Sea Spurge is a member of the Spurge (Euphorbiaceae) family. The genus name 'Euphorbia' identifies the plant as a Spurge and its species name 'paralias' means 'beach'.

Concerns: Sea Spurge sap is toxic and can cause significant damage to skin and eyes on contact.

 
Flower of Sea Spurge

© 2021 Adrian Briggs

 

Flowers:
Sea Spurge usually flowers between June and September.

Flower colour:

Flower Colour Green

Green

Flower shape:

Flower Shape  No petals

No petals

Petals:

Petal Number =  0

0

Leaf of Sea Spurge

© 2021 Adrian Briggs

 

Leaves:

Leaf Shape:

Leaf Shape is Whorled

Whorled

Or:

Alternative Leaf Shape is Oval

Oval

Leaf Margins:

Leaf Margin is smooth

smooth

Stem of Sea Spurge

© 2021 Adrian Briggs

 

Stem and Roots:

Stem shape:

Stem Shape is Round

Round

Root type:

Root Type is Tap

Tap