Erysimum cheiri
Brassicaceae
March to June
It is found in gardens throughout the country.
Naturalised escapes are also found throughout the country
but they are less common in the Northwest.
See the BSBI distribution map for Wallflower
They are archeophytes which have been recognised in the
wild since the mid 1500s.
Naturalised plants are found on waste ground and brownfield
sites, along railways and on rocky places, cliffs, quarries and
walls.
Wallflowers are perennial herbs, which can grow up to 50cm.
Flowers have 4 petals and are up to 3.5cm across and in a range
of colours.
There are 6 stamens, 4 inner and larger and 2 outer and smaller.
The style is cylindrical and the stigma capitate and bi-lobed.
here are 4 sepals.
Fruits are cylindrical seed pods up to 8cm.
Leaves are narrow, lanceolate and untoothed..
Stems are branched and woody at the base.
Previous page: Thale Cress
Next page: Wall Speedwell
Wallflower in a quarry, Isle of Portland, Dorset
Closer view of wallflowers in a quarry
Garden Wallflower
4-petalled flower, 6 stamens and stigma
Close-up of 4 inner and 2 outer stamens
Close-up of 2-lobed stigma
Cylindrical fruiting pod
Side view of sepals
Narrow, lanceolate leafes
Brick-red flowers
Purple flowers
Orange flowers
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