单词 | pericarp |
释义 | pericarpn. Botany. 1. A structure containing the seeds of a flowering plant; a seed-vessel or fruit; (now) spec. the wall of the ripened ovary of a plant. Cf. endocarp n., epicarp n., mesocarp n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [noun] knop1398 seed vessel1562 pouch1577 bottle1609 uterus1682 pericarpium1691 vessel1691 pericarp1759 crust1776 1759 B. Stillingfleet tr. I. Biberg Oeconomy Nature in Misc. Tracts Nat. Hist. 52 Most of the pericarpies are shut at top, that the seeds may not fall. [Note] Whatever surrounds the seeds is called by botanical writers a pericarpium, and as we want an English word to express this, I have taken the liberty to call it a pericarpy. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. x. 104 A bilocular pericarp, or seed-vessel of two cells. 1835 J. Lindley Introd. Bot. (ed. 2) i. ii. 187 Every fruit consists of two principal parts, the pericarp and the seed. 1880 A. Gray Bot. Text-bk. (ed. 6) vii. §2. 299 The Berry..comprises all simple fruits in which the pericarp is fleshy throughout. 1937 S. F. Armstrong Brit. Grasses (ed. 3) i. 18 It is a one-seeded, dry, indehiscent..fruit, with the fruit-wall (pericarp) fused to the seed-coat (testa). 1960 K. Esau Anat. Seed Plants xxi. 316 The term fruit wall is used in this book to designate either the pericarp..or the pericarp together with any extracarpellary parts that may be united with the ovary in the fruit. 1992 B. Coote Trade Trap vii. 81 Inside the pericarp is the seed, from the inner kernel of which comes palm kernel oil. 2. A structure containing spores in certain non-flowering plants; esp. an algal cystocarp. Now: spec. a distinct outer layer of the wall of an algal cystocarp. ΚΠ 1855 J. B. Sanderson in Todd's Cycl. Anat. & Physiol. V. 221/1 The term Polyspore is usually applied..[to] a gelatinous..pericarp or conceptacle. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. ii. 236 The three other peripheral cells..develope into articulated branches, which..form the peculiar ‘Pericarp’..of Lejolisia [sc. a florideous alga]. 1926 Bull. Torrey Bot. Club 53 473 478 There is no clear distinction between the two forms of Marsilea..in..the number of sori in a pericarp. 1995 C. van den Hoek et al. Algae v. 92/2 The pericarp is initiated before fertilization of the carpogonium. DerivativesΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [adjective] knoppy1562 multisiliquose1687 vasculiferous1704 pericarpial1809 pericarpic1819 seminal1833 pericarpoidal1890 pericarpal1908 1890 Cent. Dict. Pericarpoidal, in bot., belonging to or resembling a pericarp. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2022). < n.1759 |
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