Weld
Weld on disturbed ground, Somerset
Weld in grassland, Lune estuary
Upper part of flower spike
Close up of flowers - lobed, clawed petals
Close-up of flowers - stamens
Leaves
Reseda luteola
Resedaceae
Dyer’s Rocket
June to September
It is found throughout the country.
See the BSBI distribution map for Weld
It grows on waste ground, disturbed ground, brownfield sites,
fields and rough grassland, especially on calcareous soils.
It used to be cultivated for the production of flavones, a yellow dye
used by the textile industry.
Weld is a striking, native, biennial herb growing up to 1.5m.
The flowers are in long spikes, which are sometimes branched.
Flowers are yellow-green, 4-5mm across with 4 differently lobed
petals, each with a protruding claw.
There are 20 to 25 dangling stamens.
Leaves are narrow and oblong.
Upper leaves are sessile and lower leaves are stalked.
The stem is, stiff, hollow and ribbed, with a large taproot.
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Weld on disturbed ground, Somerset
Weld in grassland, Lune estuary
Upper part of flower spike
Close up of flowers - lobed, clawed petals
Close-up of flowers - stamens
Leaves
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