Carex pilulifera, the pill sedge, is a European species of sedge found in acid heaths, woods and grassland from Macaronesia to Scandinavia. It grows up to 30 cm (12 in) tall, with 2–4 female spikes and 1 male spike in an inflorescence. These stalks bend as the seeds ripen, and the seeds are collected and dispersed by ants of the species Myrmica ruginodis.
The culms of Carex pilulifera grow to a length of 8–30 centimetres (3–12 in), and are often noticeably curved. The leaves are 5–20 cm (2–8 in) ...
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* Tota la informació es basa en investigacions científiques publicades