Marsh willowherb
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''Epilobium palustre'' is a species of
willowherb Willowherbs are annual or perennial herbaceous plants in the flowering plant family Onagraceae. Willowherb may refer to: * A species of willowherb in the genus ''Epilobium'' * A species of willowherb in the genus ''Chamaenerion ''Chamaenerion'' ...
known by the common name marsh willowherb. This plant has a circumboreal distribution, and can be found farther south in mountainous areas.


Description

This is a hairy perennial growing spindly stems sometimes exceeding half a meter in height. Its stems have widely spaced oval to linear leaves two to seven centimeters long. The stems are tipped with hairy
inflorescence An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
s of small white or pink flowers. The stigma is club-shaped rather than 4-lobed. Each flower has four petals which may be quite minute to almost a centimeter long and notched to form two lobes. The fruit is a hairy capsule 3 to 9 centimeters long.


Distribution

Locally common in the
British Isles The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
.Clapham, A.R., Tutin, T.G. and Warburg, E.F. 1968. ''Excursion Flora of the British Isles''. Cambridge University Press.


References


External links


Jepson Manual Treatment

Photo gallery
palustre Plants described in 1753 Taxa named by Carl Linnaeus {{Myrtales-stub