Frangula alnus. Alder buckthorn.
Life-form & Growth Form:
Mega, meso-microphanerophyte. Woody perennial, tree.
Flowering period:
May to July.
Habitats:
Acidic soils and peat, in scrub and woodland beside lakes and rivers. Also, fens and lagg zone of lowland raised bogs. Wide range of soils, avoiding drought-prone and waterlogged sites. Generally, lowland.
Threats:
Wetland drainage and reclamation for agriculture and development. Historic lowering of Lough Neagh water levels. Woodland and scrub clearance. Peat-cutting. Nutrient enrichment. Small population size.
Static distribution map:
