Tricoryne elatior (common name yellow autumn-lily, yellow rush-lily) is a species of flowering plant in the family Asphodelaceae, native to Australia, and found in all its states and territories.
Tricoryne elatior is a rhizomatous perennial herb, with fibrous roots, It grows to a height of 10-40 cm but sometimes grows to 1 m. The leaves are linear, 5âÂÂ10 cm by 1âÂÂ3.5 mm wide, and usually glabrous. The flowering axis is terete, and has a smooth surface although sometimes there are scabrous hairs at the axis base. The umbels carry 2âÂÂ10 flowers on pedicels which are about 1.5âÂÂ6 mm long. The outer tepals are oblong, acute, three-veined, and 6âÂÂ14 mm by 1.5âÂÂ3 mm, while the inner tepals are elliptic, obtuse, three-veined, and 5âÂÂ10 mm by 3âÂÂ4 mm wide. The tepals twist spirally after flowering and later fall. There are six stamens which are attached to the base of the perianth. The filaments are 3âÂÂ6 mm long with tufts of clavate hairs below the anthers (which are ovate, and 0.6âÂÂ0.9 mm long). The mericarps are ellipsoidal, and 3âÂÂ6 mm by 1.5âÂÂ3.5 mm and slightly reticulate.
It is found in sclerophyll forests, in heaths and woodlands, and sometimes in swamps, growing on sandy loams and lateritic soils.