Sonchus asper (Linnaeus 1753) Hill 1769 (Family Asteraceae)
Height: 20-60cm
Occasionally Arbuscular Mycorrhizal
Annual, Persistent Seed Bank
Hermaphrodite, Flowering June - October
(Earliest: 30.5)
Protective Chemicals |
Sesquiterpenoids |
Sonchuside |
Flavonoids |
Icariside, Sonchuionoside |
Biotopes: |
Meadows |
Gardens |
Microhabitat: |
Bare Ground |
Flower Visitors: |
Bombus bohemicus |
Several Syrphidae |
Siphona cristata |
Myopa.occulta |
Seed Dispersal: |
Wind |
Parasites: |
Ascochyta sonchi |
Golovinomyces cichoracearum |
Scrobipalpa acuminatella Larva (Leaf Miner) |
Several Agromyzidae |
|
Cystiphora sonchi |
Ensina sonchi Larva (Flower Gall) |
Possible Parasites: |
Ophiomyia pulicaria Larva (Leaf Miner) |
Possible Herbivores: |
Several Tortricidae Larva |
Naenia typica Larva |
Agonopterix arenella Larva |
Cassida rubiginosa |
Sapivores: |
Several Aphididae |
Closterotomus norwegicus |
Possible Sapivores: |
Aulacorthum solani |
Possible Granivores: |
Stictopleurus punctatonervosus |
Ecological Flora of the British Isles
Skye Flora:
Prickly Sow-thistle
Pictures © 2003, 2005 J.K. Lindsey
Caution
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Ecology of Commanster