Carex perdensa (Kukkonen) Luceño & Martín-bravo

Perennial herb, densely tufted, 0.25-0.30 m high. Leaf blades 0.5-1.2 mm wide, flat to V-shaped. Culm hidden among leaves, nodose, 2-angled below nodes, otherwise ± terete, 0.5-0.8 mm in diam. Inflorescence a slender interrupted panicle, apical co-florescence ± 10 mm long. Subtending bracts: lowest with sheath ± 28 mm long. Spikelet bracts (glumes): female shorter than perigynium, ovate, 2-4 mm long, keel non-excurrent or excurrent into awn of variable length. Perigynium broadly elliptic, ± 2.7 x 1.7 mm (including 0.5 mm long rostrum), 3-angled, nervose, green. Flowering time Nov., Dec., Feb. Nutlet broadly elliptic, ± 2.2 x 1.7 mm.