Sonchus arvensis Linnaeus 1753 (Family Asteraceae)


Plant

Leaf

Flower

Fruit

Height: 40-120cm
Arbuscular Mycorrhizal
Perennial, Stoloniferous
Hermaphrodite, Flowering July - October (Earliest: 26.6)

Protective Chemicals
Sesquiterpenoids Eudesmanolide
Flavonoids Kaempferol, Quercetin
Acids Quinic

Biotopes:
Meadows

Around Buildings
Microhabitat:
Bare Ground
Flower Visitors:
Many Apidae

Several Nymphalidae

Pieris brassicae

Thymelicus lineola

Autographa gamma

Cerapteryx graminis

Many Syrphidae

Phaonia angelicae

Phaonia erronea

Meligethes atratus

Forficula auricularia
Seed Dispersal: Wind
Parasites:
Golovinomyces cichoracearum

Several Agromyzidae Larvae

Cystiphora sonchi

Ensina sonchi Larva
(Flower Gall)

Agapanthia villosoviridescens Larva (Stem Borer)
Possible Parasites:
Ophiomyia pulicaria Larva
(Leaf Miner)
Herbivores:
Several Noctuidae

Tenthredo bifasciata Larva
Possible Herbivores:
Several Tortricidae Larvae

Naenia typica Larva

Agonopterix arenella Larva

Cassida rubiginosa
Sapivores:
Aphrophora alni Nymph
Possible Sapivores:
Aulacorthum solani
Granivores:
Eucosma obumbratana Larva

Ecological Flora of the British Isles
Skye Flora: Perennial Sow-thistle


Pictures © 2003, 2004, 2010 J.K. Lindsey

Caution

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