(Carex arctata)
Carex sylvatica "resembles a small C. pendula", growing to around 15-60 centimetres (6-24 in) tall, or up to 150 cm (5 ft) in exceptional cases. Its rhizomes are very short, giving the plant a densely cespitose (tufted) form. The leaves are 5-60 cm (2.0-23.6 in) long, 3-7 mm (0.12-0.28 in) wide and 1.0-1.3 mm (0.04-0.05 in) thick, with 17-31 parallel veins. The leaves have a slight keel, or are folded gently into an M-shape in cross-section.