Calytrix Labill.

75 species endemic Aust.; all states and territories

Calytrix tetragona Labill.

Shrub up to 2 m high. Leaves linear, 4–8 mm long, c. 0.5 mm wide, denticulate. Obtuse, triangular in cross-section, spirally arranged. Flowers arranged in terminal heads of up to 12. Bracts and bracteoles persistent, concave or keeled, obovate to elliptic. Floral tube much longer than the ovary, narrow below, abruptly dilated just below the insertion of sepals and petals. Sepals 5, broad-ovate, with long flexuous awns. Petals 5, white to pinkish, spreading, deciduous. Stamens numerous, arranged in several whorls; appendage attached to the connective. Ovary 1-locular, with 2 basally attached ovules; stigma capitate. Fruit a nut. Widespread. Heath. Ss. Fl. spring–summer