单词 | monocephalous |
释义 | monocephalousadj. 1. Botany. ΘΚΠ the world > plants > part of plant > reproductive part(s) > fruit or reproductive product > [adjective] > having one or many head(s) or summit(s) polycephalous1835 monocephalous1845 the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > relating to or having ovule > of or having an ovary gymnotetraspermous1736 ovarian1759 germinal1811 monocephalous1845 tetrathecal1849 basal1870 paragerminal1876 1845–50 A. H. Lincoln Familiar Lect. Bot. (new ed.) xv. 90 They [sc. the capsules] are monocephalous, as in the lily, or polycephalous, as in Nigella. 1856 J. S. Henslow Dict. Bot. Monocephalous,..where the ovary is surmounted by a solitary style or stigma. 1883 Ogilvie's Imperial Dict. (new ed.) Monocephalous, having only one head; in bot. applied to fruits that have but one organic head or summit, as the capsule of Silene; also to flowers disposed in umbels. b. Of a stem, stalk, etc.: bearing a single capitulum or umbel. Of a plant: having its flowers in a single capitulum or umbel. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [adjective] > having only one head single1551 monocephalous1856 1856 J. S. Henslow Dict. Bot. Monocephalous, where flowers are disposed in single heads or umbels. 1875 Amer. Naturalist 9 273 Scape naked, less than a span high, monocephalous. 1882 Bull. Torrey Bot. Club 9 17 It combines the naked, scape-like, monocephalous stems of the first, with the distinct involucral scales of the second. 1913 Bot. Gaz. 56 478 Scapes few, monocephalous. 1938 Amer. Jrnl. Bot. 25 117/1 The ultimate branches slender, leafy, monocephalous or..with two or more subglomerate large heads. 1957 Brittonia 8 292 H[elianthus] subniveus... Stems densely white-lanate;..monocephalous. 1982 Systematic Bot. 7 457 Possible relationships..between sect. Peregrinus and a set of monocephalous, arctic and alpine species are considered. ΚΠ 1885 Cassell's Encycl. Dict. V. i Monocephalous, having one head, but two distinct, or sometimes blended, bodies. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.1845 |
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