English: Sea oats; Seaside oats.
Spanish: Araña; Arroz de costa.
Region: southeastern United States, eastern Mexico, Caribbean.
Botany: tall to 2 m high, subtropical grass; habitat coastal sand dune and beach plant; large seed heads, turn golden brown; leaves tall, long, trap wind-blown sand and promote sand dune growth, while its deep roots and extensive rhizomes act to stabilize dunes; inflorescences of flat spikelets, each with ± 12 wind-pollinated florets; seeds dispersed by wind; reproduction commonly by forming buds around stem bases; rhizomes elongate with extensive lateral growth.