单词 | plantlet |
释义 | plantletn. An undeveloped or embryo plant; (also) a tiny or diminutive plant. Cf. plantule n. ΘΚΠ the world > plants > appearance of plant > defined by size or stature > [noun] > small or large plant dwarf1593 plantleta1711 subdwarf1902 tall1909 the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo or radicle embryon1640 germen1651 neb1658 radicle1671 embryo1682 embryo plant1692 plantula1698 plantleta1711 germ1721 niba1722 radicula1725 plantule1727 radicule1728 rostellum1760 radicale1763 rostel1783 heartlet1808 corcle1810 proembryo1849 tigelle1860 hypophysis1875 embryoid1963 a1711 R. Atkyns Anc. & Present State Glostershire (1712) 492/1 There are four Coats of Arms in the four Corners of the inside of the Tower: 1. The Earl of Gloster..; 4. A Plantlet in a Border. 1816 P. Keith Syst. Physiol. Bot. II. 17 At the end of the ninth day the plantlet had wholly escaped from its integuments. 1846 N. Amer. Rev. July 218 The common bulblet-bearing lily of our gardens produces its buds or bulbs above ground, which separate, as independent plantlets, as soon as they are formed. 1877 F. G. Heath Fern World 10 This plantlet or embryo consists of two principal organs united to each other. 1899 G. Massee Text-bk. Plant Dis. 54 The term ‘damping off’ is applied to a disease of seedlings, characterised by the falling over and dying of the plantlets. 1946 D. C. Peattie Road of Naturalist (U.K. ed.) i. 18 For a seed is not just part of a plant; detached it is a complete plant, with a plantlet folded inside, a supply of food, an infinitesimal supply of moisture. 1970 Nature 19 Sept. 1265/2 Anthers from entirely white shoots gave rise to white plantlets. 1995 Independent on Sunday 23 July (Review Suppl.) 60/1 From this hardy specimen thousands of plantlets are being grown using micro-propagation techniques, so effectively they are all clones. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < |
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