park leaves
/ˌpɑːk ˈliːvz/Now English regional
noun
The plant tutsan, Hypericum androsaemum (family Clusiaceae (Guttiferae)), a large-leaved shrubby species of St John's wort. Apparently also: †the chaste tree Vitex agnus-castus ( obsolete ).
Origin
Late Middle English. From park + the plural of leaf.