Bush

Bark	Leaf
Flower	Fruit

Height: <4 m, Age: <25 yr
Arbuscular Mycorrhizal, Extrafloral Nectaries
Persistent Seed Bank
Hermaphrodite, Flowering May - June (Earliest: 18.5)

Protective Chemicals
Iridoids	Opulus
Flavonoids	Atechin, Cyanidin, Epicatechin, Quercetin
Other Phenolics	Caffeic, Chlorogenic, Coumaric, Dihydroxyphenylacetic, Ellagic, Ferulic, Gallic, Homogentisic, Hydroxybenzoic, Protocatechuic, Syringic, & Trimethoxybenzoic Acids, Arbutin, Tannins
Other Acids	Malic, Oxalic

Biotopes:	Hedge Rows	Gardens
Flower Visitors:	Andrena argentata	Tenthredo arcuata	Anthophila fabriciana	Several Empididae
	Several Syrphidae	Scathophaga stercoraria	Thricops nigrifrons	Paracorymbia maculicornis
	Byturus ochraceus	Panorpa vulgaris
Parasites:	Boeremia exigua	Pseudocercospora viburnigena	Erysiphe viburni	Contarinia viburnorum Larva
Herbivores:	Several Noctuidae	Siona lineata Larva	Aphelia viburnana Larva	Anania coronata
	Several Tenthredinidae	Otiorhynchus veterator	Phyllobius pyri	Pyrrhalta viburni
	Cepaea
Sapivores:	Aphis fabae	Aulacorthum solani	Empoasca vitis	Pulvinaria hydrangeae
	Philaenus spumarius
Xylophages:	Dinoptera collaris Larva (Wood Borer)
Frugivores:	Bombycilla garrulus	Columba palumbus
Bark Inhabitants:	Parmelia saxatilis	Physcia aipolia	Xanthoria parietina
Leaf Decomposers:	Polyscytalum fecundissimum	Angiosperm Generalists

Ecological Flora of the British Isles
Skye Flora: Guelder Rose

Pictures © 2003, 2004, 2005, 2010 J.K. Lindsey

Caution

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