Pilosella officinarum [Hieracium pilosella] Vaillant 1754 (Family Asteraceae)


Plant

Leaf

Flower

Fruit

Height: 5-30cm
Perennial, Stoloniferous, Lacks Persistent Seed Bank
Hermaphrodite, Flowering May - September (Earliest: 4.5)

Protective Chemicals
Saponins Amyrin
Other Triterpenoids Taraxerol
Coumarins Aesculetin, Oxycoumarin, Skimin, Umbelliferone
Flavonoids Apigenin, Isorhamnetin, Kaempferol, Luteolin
Other Phenolics Tannins
Sterols Taraxasterol

Biotopes:
Meadows
Flower Visitors:
Lasioglossum fratellum

Lasioglossum villosulum

Several Syrphidae

Siphona ingerae

Siphona geniculata

Lucilia sericata

Sicus ferrugineus

Empis caudatula
Seed Dispersal: Wind
Parasites:
Puccinia hieracii

Tephritis ruralis Larva
(Flower Gall)

Ophiomyia pulicaria Larva
(Leaf Miner)
Herbivores:
Melitaea athalia Larva

Melitaea cinxia Larva

Cucullia umbratica Larva
Florivores:
Cryptocephalus hypochaeridis

Skye Flora: Mouse-ear Hawkweed


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

Caution

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