Plants with conspicuous channels or ridges in the leaves, described as caniculate. Close-up of inflorescence . Inflorescence showing a dehisced capsule and a single seed from one of the three carpels of the capsule. This distinguishes species of Luzula from species of Juncus that have many seeds per carpel. Close-up of plant .
Basal leaves appear relatively wide.
Inflorescence is a tight cluster. With permission of the Botanical Museum University of Oslo, Norway. Close-up of inflorescences . With permission of the Botanical Museum University of Oslo, Norway. Arctic Island distribution .