Xyridaceae >

Inner perianth segments yellow Xyridaceae
consider the other alternative
Leaf margin not pale, smooth. Leaves terete or ± flattened at the apex
consider the other alternative
Ovary and fruit thickened at the apex. Flower heads ± ovoid, 8–20 mm long, 5–15 mm diam.
consider the other alternative
Lower bracts not arranged in 5 rows, lax, often spreading. Flower heads rounded at the base. Peduncle terete or slightly angular, 50–150 cm long, 2 mm diam. Blue Mts and Woronora Plateau. Damp soil. Fl. spring–summer Xyris ustulata