Plant |
Leaf |
Flower |
Fruit |
|
Plant |
Leaf |
|
Flower |
Fruit |
Height: 30-90cm
Arbuscular Mycorrhizal
Biennial, Persistent Seed Bank
Hermaphrodite, Flowering June - October
(Earliest: 14.5)
| Protective Chemicals | |||||
|---|---|---|---|---|---|
| Pyrrolizidine Alkaloids |
Acetylerucifoline, Erucifoline, Integerrimine, Jacobine,
Jacoline, Jaconine, Jacozine, Monocrotaline, Retrorsine, Senecionine, Seneciphylline, Senecivernine, Spartiodine | ||||
| Flavonoids | Kaempferol | ||||
| Other Phenolics | Clorogenic Acid | ||||
| Other Acids | Fumaric, Malic, Succinic | ||||
| Benzoquinones | Jacaranone | ||||
| Biotopes: |
Meadows | |||
| Flower Visitors: |
Bombus terrestris |
Lasioglossum minutulum |
Aphantopus hyperantus |
Maniola jurtina |
Thymelicus lineola |
Cerapteryx graminis |
Several Syrphidae |
Helina impuncta | |
Eriothrix rufomaculatus |
Scathophaga stercoraria |
Cynomya mortuorum |
Rhagonycha fulva | |
| Seed Dispersal: | Wind | |||
| Parasites: |
Podosphaera fusca |
Several Agromyzidae |
Ensina sonchi Larva (Flower Gall) |
Stemonocera cornuta |
Cheilosia bergenstammi Larva (Root & Stem Miner) |
Oedemera virescens Larva (Stem Borer) |
Gortyna flavago Larva (Stem Borer) |
Sphenella marginata Larva (Flower Gall) | |
| Herbivores: |
Autographa pulchrina |
Polymixis flavicincta |
Phragmatobia fuliginosa Larva |
Tyria jacobaeae Larva |
Phycitodes maritima |
Longitarsus ochroleucus | |||
| Sapivores: |
Several Miridae |
Aphis fabae |
Aphis jacobaeae |
Eupteryx aurata |
| Florivores: |
Several Geometridae | |||
| Granivores: |
Eucosma campoliliana Larva |
Liocoris tripustulatus |
Ecological Flora of the British Isles
Skye Flora:
Ragwort
Pictures © 2003, 2004, 2005 J.K. Lindsey
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