A medium to large deciduous shrub found in woodland, hedgerows, scrub, rough grassland and quarries. It is frequently naturalised, readily reproducing by seed which is often bird-sown. Lowland.
This species, which has been in cultivation in Britain since 1908, is popular in gardens but does not appear to have been recorded from the wild until 1986 (N. Hants.). It is probably under-recorded, and is often confused with or overlooked as C. bullatus.
Native of W. China.
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