Bot.
1. A genus of floating marsh plants (N.O. Orontiaceæ), natives of Northern Europe and North America.
1866. in Treas. Bot., 194.
2. A name erroneously given to the White Arum, Ethiopian or Trumpet Lily, Richardia æthiopica (N.O. Araceæ), a native of the Cape of Good Hope, Well known as a drawing-room ornament.
1870. H. Macmillan, Bible Teachings, vii. 143. The beautiful calla or Ethiopian lily.
1883. Harpers Mag., March, 606/2. Lilies, callas, and other water-plants.
1884. E. P. Roe, ibid. Feb., 444/1. The plants are semi-aquatic, like this calla-lily.
Calla-: see CALA-.