Patersonia maxwellii F.Muell. ex Benth.

Tufted herb. Leaves linear, 15-24 cm long, 1-2 mm wide, biconvex, deeply grooved, papillose; margins minutely ciliate with incurved hairs, brown. Scape 5-20 cm long, glabrous. Spathes lanceolate, 2.5-3.5 cm long, glabrous, chocolate brown; margins less than 1 mm wide, scarious, brown. Involucre c. 6 mm wide; acuminate tips of inner bracts exserted. Tube c. 2.5 cm long, glabrous. Sepals broadly obovate, 1.2-2 cm long, 1-1.5 cm wide, violet. Petals ovate. Filaments 3-4 mm long, almost completely connate. Ovary glabrous. Capsule cylindrical, acute, 2-2.5 cm long. Seeds compressed-ovoid, c. 3 mm long, dark brown; aril absent.

Between Albany and Israelite Bay growing in heath on poorly drained soils; in the southern Darling Range growing in seasonally wet habitats within Jarrah forest.