| 释义 |
ˈprotophyll Bot.
[f. proto- + Gr. ϕύλλ-ον leaf.]
In club-mosses, a structure resembling a leaf produced on the upper surface of the protocorm or tuber.
1891F. O. Bower in Proc. R. Soc. L. 267 The sporophyte [of Phylloglossum] consists of two parts:—(i) the protocorm, with its protophylls and roots, and (ii) the strobilus. 1902Encycl. Brit. XXXII. 74/1 The plant [sc. Phylloglossum] is produced by tubers, which resemble the protocorm in bearing first a number of protophylls. 1938G. M. Smith Cryptogamic Bot. II. vii. 180 From the upper surface of the protocorm arise a few to many erect, conical outgrowths (protophylls) which are leaf-like in function. 1962K. R. Sporne Morphol. Pteridophytes iv. 64 Further protophylls appear in an irregular manner. |