Crepis biennis Linnaeus 1753 (Family Asteraceae)


Plant

Leaf

Flower

Fruit

Height: 30-120cm
Arbuscular Mycorrhizal
Annual
Hermaphrodite, Flowering June - July (Earliest: 19.5)

Protective Chemicals
Sesquiterpenoids Ixerin
Flavonoids Luteolin
Other Phenolics Caffeic Acid
Phthalates Dibutyl Phthalate

Biotopes:
Meadows
Flower Visitors:
Bombus lapidarius

Several Syrphidae

Anthomyia liturata
Seed Dispersal: Wind
Parasites:
Podosphaera fusca

Ensina sonchi Larva
(Flower Gall)

Several Agromyzidae
Possible Parasites:
Cheilosia latifrons Larva
(Root & Stem Borer)

Ophiomyia pulicaria Larva
(Leaf Miner)
Possible Herbivores:
Cnephasia asseclana

Cnephasia incertana

Ecological Flora of the British Isles


Pictures © 2003, 2005, 2007, 2009, 2011 J.K. Lindsey

Caution

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