Also bracte; and in L. form bractea, pl. bracteæ, also occas. bracteas. [ad. L. bractea (formerly used unchanged) a thin plate or leaf of metal, gold-leaf; cf. Fr. bractée.]
1. Bot. A small modified leaf, or scale, growing immediately below the calyx of a plant, or upon the peduncle of a flower.
1770. Ellis, in Phil. Trans., LX. 520. Under this flower-cup are four floral leaves, or bracteæ.
1794. Martyn, Rousseaus Bot., xiii. 149. A lateral leaf to each calyx, which Linnæus calls the bracte.
1807. J. E. Smith, Phys. Bot., 22. The Lavenders have coloured bracteas.
1835. Lindley, Introd. Bot. (1848), I. 309. There are no exact limits between bracts and common leaves.
1884. J. E. Taylor, Sagac. & Mor. Plants, 103. In the Yew some bracts become aborted.
b. attrib., as in bract-sheath; also deriv. Bractless a.
1847. Craig, Bractless, without bracts.
1870. Hooker, Stud. Flora, 415. Carex præcox bract-sheaths short.
2. Zool. A similar appendage found in some of the Hydrozoa.
1878. Bell, Gegenbauers Comp. Anat., 97. Nutritive, generative, and tentacular individuals are generally placed together in groups, in such a way that there is one bract to a group.