- Peucedanum ostruthium (L.) Koch - Masterwort
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(Map updated: March 2008)
A rather handsome robust perennial reaching about 3 ft (90 cm), and with divided leaves, the ultimate segments large, oval and toothed. Flowers are white, carried in large round-topped umbels.
An old introduction now found mainly along some river banks in Co Tyrone.
All names: Peucedanum ostruthium (L.) Koch