About Juncus megacephalus M.A.Curtis
Juncus megacephalus, common name bighead rush, is a plant species native to the United States. It has been recorded across all seacoast states stretching from Texas to Maryland, as well as in Massachusetts. It grows in freshwater marshes, sand dunes, and disturbed sites, always at elevations lower than 100 meters (330 ft). This species is a perennial herb that spreads via underground rhizomes. Its stems are erect and round in cross-section, with a diameter of 3–4 mm (0.12–0.16 in) and a maximum height of 110 cm (43 in). Its leaves can grow up to 24 cm (9.4 in) long. Its inflorescence forms a panicle that holds up to 20 heads. Each head is spherical, around 10 mm (0.39 in) in diameter, and contains approximately 50 flowers. The flowers are straw-colored and about 20 mm (0.79 in) in diameter.
