Spartina pectinata prairie cord-grass Poaceae SPPE; Bx, pb; Q, tl;R;

Spartina pectinata (prairie cordgrass).Zihao Wang.Ft. Tilden.Queens.NYC.8:30:2016

Spartina-pectinata-prairie-cordgrass.Zihao-Wang.Ft_.-Tilden.Queens.NYC_.8/30/2016 (Accessed 8/2016).

Spartina pectinata is a perennial C4 grass (Waller and Lewis 1979) 1-2 m tall, stems 0.5-1 cm diameter at base, erect, colonial from long rhizomes.

Leaves 30-80 cm long, 0.8-1 cm wide or more, margins very sharply, cutting-raspy.

Flower spikelets closely overlapping on 2 sides of a 3-sided axis, 1-flowered, about 1-1.3 cm long, awn 0.3-1 cm from tip of second glume; glumes bristly on keel; inflorescence 20-40 cm long, of 7-27 spikes often appressed to axis, 2-11 cm long, 0.5-0.8 cm wide, including awns; blooming and fruiting July-Sept.

Wetland status: OBL.

Frequency in NYC: Very infrequent.

Origin: Native.

Habitat: Wet, open habitats, freshwater meadows, marshes.