释义 |
perispore Bot.|ˈpɛrɪspɔə(r)| [a. F. périspore, ad. mod.L. periˈsporium (Richard 1808; also in Eng. use), f. Gr. περί around + σπόρος seed: see spore.] †a. Name for the hypogynous bristles of some sedges (see perianth, perigynium). Obs. b. The skin or integument of a spore.
1848Lindley Introd. Bot. (ed. 4) I. 313 These [hypogynous setæ] are probably of the nature of the hypogynous scales of Grasses, and have been named perispores [earlier edd. perisporum] by some French writers. 1857Mayne Expos. Lex., Perisporium,..term applied by L. C. Richard and Persoon to the threads which surround the seed of the Cyperaceæ. Hedwig and some other botanists have substituted this term for that of pericarp in cryptogamious plants: a perispore. 1859Todd Cycl. Anat. V. 217/1 The spores are developed each in the interior of a perispore. |