Tuesday 21 May Tower mustard (Arabis glabra) What’s the World’s
Favourite Species?Find out here. Tower mustard fact file - Find
out more - Print factsheet Tower mustard description Tower
mustard is a very distinct plant which flowers from May to June.
It has an unbranched stem, sometimes tinged with violet, and is
slightly hairy towards the base. The base rosette of leaves
resemble a dandelion and the flower petals are pale yellow. -
Height: 30-100 cm Tower mustard biology Tower mustard can
produce large quantities of seed which seem to be capable of
lying dormant in the soil for years before germinating. This has
led to appearances of the plant on sites after long periods of
absence.Top Tower mustard range Widespread in Europe and across
Asia up to a latitude of 70 degrees north, in the UK tower
mustard is declining in numbers as a native species. Since 1980
it has only been recorded from some 30 sites in the Breckland
regions of Norfolk and Suffolk, Berkshire, Buckinghamshire,
Gloucestershire, Hampshire, Mi