Hemerocallis is from Greek words meaning ‘the beauty of a day’, they are commonly known as ‘day lilies’. Genera in this family can be found listed for the Phormiaceae as well as in Liliaceae s. lat. Perennial tufted or rhizomatous herbs; leaves linear, distichous. Inflorescence a panicle or solitary usually regular, perianth of 2 whorls 3+3, usually similar. Carpels 3, ovary superior; fruit a capsule or berry. Dianella is the main Australian genus.