perichætial, a. Bot.
(pɛrɪˈkiːtɪəl)
Also 9 perichætal.
[f. next + -al1.]
Belonging to or constituting the perichætium.
| 1821 S. F. Gray Nat. Arr. Brit. Pl. I. 221 Perichætial leaves.—Imbricated leaf-like organs surrounding the reproductive organs [of Mosses]. 1835 Lindley Introd. Bot. (1848) II. 107 [The sporangium] is..surrounded by leaves of a different form from the rest, and distinguished by the name of perichætial leaves. |