Xyridaceae

Inner perianth segments yellow Xyridaceae

Leaf margin not pale, smooth. Leaves terete or ± flattened at the apex

Ovary and fruit thickened at the apex. Flower heads ± ovoid, 8–20 mm long, 5–15 mm diam.

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Lower bracts arranged in 5 rows, closely imbricate. Flower heads tapering gradually towards the base. Peduncles terete, 30–100 cm long. Leaves terete or nearly, 20–60 cm long, 1 mm wide. Widespread. In wet soil. Fl. spring–summer Xyris operculata

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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