Geranium sylvaticum Linnaeus 1753 (Family Geraniaceae)


Plant

Leaf

Flower

Fruit

Height: 30-80cm
Arbuscular Mycorrhizal
Perennial, Rhizomatous, Lacks Persistent Seed Bank
Gynodioecious, Flowering May - August (Earliest: 22.5)

Protective Chemicals
Monoterpenoids Linalool
Sesquiterpenoids Caryophyllene, Farnesene, Muurolene
Flavonoids Cyanidin, Delphinidin, Malvidin
Tannins Geraniin
Other Phenolics Ellagic & Gallic Acids

Biotopes:
Meadows
Flower Visitors:
Several Apidae

Tenthredo koehleri

Aglais urticae

Pieris napi

Anthophila fabriciana

Several Empididae

Several Syrphidae

Haematobosca stimulans

Siphona geniculata

Dicraeu ingratus

Oedemera lurida
Seed Dispersal: Projection
Parasites:
Venturia geranii

Septoria geranii
Possible Parasites:
Liriomyza strigata
Herbivores:
Macrothylacia rubi

Mesotype didymata
Possible Herbivores:
Callimorpha dominula

Cnephasia asseclana

Cnephasia incertana
Possible Sapivores:
Aphis fabae
Granivores:
Zacladus geranii
Possible Granivores:
Rhopalus parumpunctatus

Ecological Flora of the British Isles


Pictures © 2003, 2004, 2005 J.K. Lindsey

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