Plants : OrchidaceaeFerns and Flowering Plants

Cephalanthera longifolia (L.) Fritsch

Narrow-Leaved Helleborine

2286a.jpg
Cephalanthera longifolia

Description: This orchid is called the Narrow-Leaved Helleborine or the Long-Leaved Helleborine and is extinct in Northern Ireland: the photograph was taken in Co. Clare.

It was known to occur in damp woodland about the north-east corner of Lough Neagh and Muckamore areas until about 1840. It had also been found in 1694 by William Sherard at Derry Lough near Ballynahinch - one of the earliest records for any plant species in Northern Ireland.

All names: Cephalanthera longifolia (L.) Fritsch; Cephalanthera ensifolia (Schmidt) Rich.

Distribution Map from NBN: Cephalanthera longifolia at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Cephalanthera longifolia at iNaturalist World Species Observations database.

 Hackney, P., 2026. Cephalanthera longifolia. (L.) Fritsch. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=2286. Accessed on 2026-11-02.