| 释义 |
‖ ptyxis Bot.|ˈptɪksɪs|
[a. Gr. πτύξις folding.]
(See quot.)
1880Gray Struct. Bot. (ed. 6) 132 note, Ptyxis..is coming into use as a general term for the folding, etc., of single parts. Ibid. 133 The Ptyxis (or folding) of an individual leaf..should be distinguished from the arrangement in the bud of the leaves of a circle or spiral in respect to each other. |