West Highland Flora

American Willowherb


Epilobium ciliatum

Former name: E adenocaulon

Epilobium ciliatum

Photo Carl Farmer
31 Jul 2005 Portree, Skye
Largest flowers c 6 mm across

Frequent and increasing on waste ground.  Introduced.

Plant c 60-100 cm high.  Flower diameter c 6-10 mm.

ID: Petals notched to halfway into two parallel lobes.  Stigma not 4-lobed but round and compact.  Leaves widest near their rounded or squared-off base, long-tapering to the tip, with a stalk 1.5-4 mm.

Other features: Petals often darker at the edges.  Flowers generally more numerous than in other Willowherbs.  Produces overwintering rosettes at base.  Upper part of stem has 4 raised lines, dense short spreading glandular hairs and curled non-glandular hairs.  Ripe seeds have a pale beak below the white plumes.

 

Epilobium ciliatum

Photo Carl Farmer
31 Jul 2005 Portree, Skye
Largest flowers c 6 mm across

Above: Flowers and seed capsules

Right: Upper leaves

  Epilobium ciliatum

Photo Carl Farmer
31 Jul 2005 Portree, Skye

 

Epilobium ciliatum

Photo Carl Farmer
31 Jul 2005 Portree, Skye


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