Sonchus oleraceus Linnaeus 1753 (Family Asteraceae)


Plant

Leaf

Flower

Fruit

Height: 20-80cm
Arbuscular Mycorrhizal
Annual, Persistent Seed Bank
Hermaphrodite, Flowering June - October (Earliest: 6.6)

Protective Chemicals
Monoterpenoids Loliolide
Sesquiterpenoids Crepidiaside, Dihydroreynosin, Glucozaluzanin,
Macrocliniside, Montanone, Picriside, Sonchuside
Saponins Oleanolic & Ursolic Acids, Amyrin
Other Triterpenoids Erthrodiol, Lupeol, Taraxerol
Flavonoids Apigenin, Apigetrin, Astragalin, Isoquercitrin,
Kaempferol, Luteolin, Quercetin
Other Phenolics Tannins

Biotopes:
Meadows

Around Buildings
Microhabitat:
Bare Ground
Flower Visitors:
Andrena ovatula
Seed Dispersal: Wind
Parasites:
Ascochyta sonchi

Golovinomyces cichoracearum

Several Agromyzidae Larvae

Cystiphora sonchi

Ensina sonchi Larva
(Flower Gall)

Cheilosia vernalis Larva
(Root & Stem Borer)
Possible Parasites:
Ophiomyia pulicaria Larva
(Leaf Miner)
Herbivores:
Cucullia umbratica Larva

Papestra biren Larva
Possible Herbivores:
Several Tortricidae Larva

Naenia typica Larva

Agonopterix arenella Larva

Cassida rubiginosa
Sapivores:
Protrama flavescens
Possible Sapivores:
Aulacorthum solani

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


Pictures © 2003, 2005 J.K. Lindsey

Caution

Back to Ecology of Commanster