Polygonum hydropiper Linnaeus 1753 (Family Polygonaceae)


Plant

Leaves

Flower

Fruit

Height: 20-70cm
Rarely Mycorrhizal
Annual, Persistent Seed Bank
Hermaphrodite, Flowering July - September (Earliest: 15.7)

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:
Septoria polygonorum

Pegomya bicolor Larva
Possible Parasites:
Hydrellia griseola Larva
(Leaf Miner)
Possible Herbivores:
Several Tortricidae

Idaea muricata Larva

Xanthorhoe spadicearia Larva

Diacrisia sannio Larva

Parasemia plantaginis

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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