Hairy rock-cress (Arabis hirsuta) is widespread in the
British Isles, growing on rocks, dunes, chalk slopes, banks and walls.
The lower leaves form a rosette from which flower stems
shoot upwards to a height of up to 24 inches (60 centimetres). These stems bear
stalkless leaves that clasp the stem. The leaves and stems are covered in hairs
that are stiff and forked, like miniature catapults.
The white flowers appear from June to August. The seed-pods
are cylindrical and pressed close to the stem. The reddish-brown seeds have
small “wings”.
© John Welford
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