CLUSIACEAE


Hypericum

Hypericum perforatum

Perforate St John's-wort

Only found on railway ballast where it is often abundant.

Hypericum tetrapterum

Square-stalked St John's-wort

Rather rare, occasional plants found on Priory Road fields.

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R Middleton, r.middleton@geo.hull.ac.uk, last updated 14 September 1997