Bot. [a. mod.L. spathaceus: see SPATHA and -ACEOUS.] Furnished with or enclosed by a spathe; of the nature of or resembling a spathe.
1760. J. Lee, Introd. Bot., II. vi. (1765), 85. Such as have Spathaceous Flowers.
1830. Lindley, Nat. Syst. Bot., 236. Calyx divided or entire, sometimes spathaceous.
1858. [see SPADICEOUS a. 2].
1869. Oliver, Elem. Bot., II. 269. Daffodil . A bulbous herb, with a membranous spathaceous bract.