Flatleaf flatsedge

Description

Perennial plant . Stems 60-90 cm x 5-8 mm, attenuated 3 mm at apex, cespitosos , patents, robust, tr-gonos, furcate, rarely scabriguic, slightly tuberosos, not knobby septate. Leaves 15-90 x 0.3-1 cm, erect, flattened, acuminate, coriaceous, smooth or finely scabricule at the margins and middle rib on the underside; Brown pods, becoming fibrous. Foliiform bracts. Rays 0-7, up to 9 cm, uneven, ascending. Spikes 1-3 cm wide, wide ovoid, solitary or 2-3 joints in a lax or dense headstock up to 3.5 cm wide. Spikelets 6-16 (-30) x 1.5-3 mm, linear, sharp, with 8-14 flowers, oppressed or divaricadamente patents, generally detaching complete; Racket erect, wide wings embracing the achenes. Glumes 3-3.5 x c. 1.2 mm, Ovate-lanceolate, subacute, mucronulata, laxly imbricate, 7-9 (-11) -nternal, sometimes belatedly deciduous, rib green or brown, sides glossy brown, margins hyaline yellow, rolled inward. Stamens 3. Style 1.5 mm. Aquenius of 1.6 x 0.8 mm, obovoide-oblong, obtuse, scarcely apiculate, sessile, punctate.