Ononis spinosa
Also known as cammock, petty whin and
stayplough. This is a perennial shrub found quite commonly in the meadows
and pastures of Europe. It is also sometimes cultivated in the United
States. Deep sinuous roots produce spiny, branched stems which can grow to
heights of 1 to 2 feet. The plant grows serrated leaflets and
butterfly-shaped flowers. These blooms are rose-coloured or purple and
appear from June to August. The fruit of the plant is an ovate hairy
pod.
Rest-harrow roots are aperient and diuretic. Primarily used
for it's diuretic properties, this herb works well without causing negative
side-effects. Also good for water retention, it is recommended for use
by people susceptible to gravel and stones. Rest-harrow is also sometimes
used for urinary catarrh, kidney inflammation and rheumatism. A
decoction may be used externally for eczema, itching and other skin
conditions.