Plant	Leaves
Flower	Fruit

Height: 20-70cm
Rarely Mycorrhizal
Annual, Persistent Seed Bank
Hermaphrodite, Flowering July - September (Earliest: 7.7)

Protective Chemicals
Sesquiterpenoids	Confertifolin, Drimenol, Fuegin, Hydropiperoside, Polygodial, Valdiviolide, Warburganal
Coumarins	Polygonolide
Flavonoids	Isoquercetin, Isorhamnetin, Kaempferol, Quercetin, Rhamnazin
Other Phenolics	Gallic Acid, Tannins
Other Acids	Polygonic

Biotopes:	Wet Meadows	Pond Edge	Temporary Pools	Stream Banks
Parasites:	Erysiphe polygoni	Ramularia rubella	Septoria polygonorum	Pegomya bicolor Larva
Possible Parasites:	Pegomya vanduzeei Larva
Herbivores:	Chaetocnema concinna
Possible Herbivores:	Idaea muricata Larva	Xanthorhoe spadicearia Larva	Diacrisia sannio Larva	Parasemia plantaginis
	Clepsis consimilana Larva	Deilephila elpenor
Possible Sapivores:	Lygus pratensis	Aulacorthum solani

Ecological Flora of the British Isles
Skye Flora: Water-pepper

Pictures © 2003, 2006 J.K. Lindsey

Caution

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