BROAD-LEAVED WILLOWHERB

Epilobium montanum

Willowherb Family [Onagraceae]  

Flowers:
month8jun month8june month8jul month8july month8Aug

Pappus: pappusZpossible (white, long, simple, within a 4-sided pod)
pappus8aug pappus8sep pappus8sept pappus8oct

status
statusZnative
flower
flower8pink
inner
inner8white
morph
morph8actino
petals
petalsZ4
petals
petalsZcleft petalsZcut
stem
stem8round

4th June 2008, East Lancs Rd, Walkden, Gtr M/cr. Photo: © RWD
In a hedgerow, it likes shady woods.


4th June 2008, East Lancs Rd, Walkden, Gtr M/cr. Photo: © RWD
A native perennial from 20 to 70cm tall.


23rd June 2015, Moore Nature reserve, Warrington. Photo: © RWD
Leaves lanceolate, broad near the stem on very short stalks.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
Leaves nicely rounded to the stalk.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
Petals 8-10mm long. Bears several lilac-pink flowers on long 'stalks' which will later become the housing for the many seeds with pappii.


4th June 2008, East Lancs Rd, Walkden, Gtr M/cr. Photo: © RWD
The latent seed housings are long, narrow and square in all Willowherbs.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
Petals cleft to short of half-way as for most Willowherbs. The Style is a '+' shape (as are several other Willowherbs, whilst others have a club aka matchstick-head shaped stigma). It is surrounded by 8 stamens (the same for all Epiloboim Willowherbs). All willowherbs have 4 petals, but the colour, and size may differ.


23rd June 2015, Moore Nature reserve, Warrington. Photo: © RWD
The 8 stamens with cream-coloured pollen grains are in there somewhere, but that is not useful in differentiating Willowherbs.


23rd June 2015, Moore Nature reserve, Warrington. Photo: © RWD
Cross-shaped style and pollen-grain splattered stamens.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
Main stem only slightly hairy. Many seed pods at the top have split open to release their pappus-borne seeds. Leaves have many short forwardly-directed teeth, seemingly often double-toothed (with two differing sizes of teeth).


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
As in all Willowherbs, the long square seed pods split open like peeling back a banana to reveal the rows and layers of seeds with their simple pappii attached at the top.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
The leaves which are distinctive of Broad-leaved Willowherb which are broad-lanceolate, tapering to a blunt tip being well-rounded at the base on short stalks.


23rd June 2015, Moore Nature reserve, Warrington. Photo: © RWD
Not visible here but all leaves have very short hairs appressed to the surface.


31st July 2011, Moses Gate Country Pk, Bolton, Lancs. Photo: © RWD
The upper part of the plant is covered in very short hairs, some glandular, some not.


Hybridizes with other Willowherbs, namely:

  • Short-Fruited Willowherb (Epilobium obscurum) to produce Epilobium × aggregatum
  • New Zealand Willowherb (Epilobium brunnescens) to produce Epilobium × confusilobum
  • Great Willowherb (Epilobium hirsutum) to produce Epilobium × erroneum
  • Square-stalked Willowherb (Epilobium tetragonum) to produce Epilobium × haussknechtianum
  • American Willowherb (Epilobium ciliatum) to produce Epilobium × interjectum
  • Rockery Willowherb (Epilobium pedunculare) to produce Epilobium × kitcheneri
  • Hoary Willowherb (Epilobium parviflorum) to produce Epilobium × limosum
  • Pale Willowherb (Epilobium roseum) to produce Epilobium × heterocaule
  • Spear-leaved Willowherb (Epilobium lanceolatum) to produce Epilobium × neogradense
All one big happy family!

Tall specimens with intermediate characteristics are likely to be hybrids of one sort or another but only if both parents are nearby.

Lookee-Likees : Many other Willowherbs!

It likes shady places such as woods, hedgerows, gardens, walls and waste ground, usually in the shade but possible too in streets, preferring moist but well-drained soils.


  Epilobium montanum  ⇐ Global Aspect ⇒ Onagraceae  

Distribution
family8Willowherb family8Onangraceae

 BSBI maps
genus8Epilobium
Epilobium
(Willowherbs)

BROAD-LEAVED WILLOWHERB

Epilobium montanum

Willowherb Family [Onagraceae]  

WildFlowerFinder Homepage