单词 | petiolate |
释义 | petiolateadj. Botany and Zoology. Having or attached by a petiole; stalked. Cf. sessile adj. 1. ΘΚΠ the world > plants > part of plant > leaf > petiole or leaf-stalk > [adjective] > having a petiole petiolate1753 petiolated1757 petioled1783 subpetioled1783 subpetiolate1801 phyllodineous1848 petiolaceous1858 phyllodinous1880 subpetiolar1900 the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Hymenoptera > [adjective] > belonging to division Petiolata petiolated1757 petiolate1826 1753 Chambers's Cycl. Suppl. at Leaf Petiolate Leaf, one affixed to a plant by means of a peculiar pedicle. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xvi. 189 The lower ones [sc. leaves] petiolate, the upper ones sessile. 1826 W. Kirby & W. Spence Introd. Entomol. IV. xliii. 185 Insects that have a petiolate abdomen. 1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 350 Abdomen always petiolate. 1861 R. Bentley Man. Bot. i. iii. 135 When a leaf arises from the stem by means of a stalk it is said to be stalked or petiolate. 1890 Cent. Dict. (at cited word) Petiolate insects, those insects which have the abdomen petiolated. 1901 Cycl. Amer. Hort.: N–Q 1109/2 Nyssas are trees or shrubs with petiolate, usually entire leaves and small flowers borne in short racemes or dense heads. 1914 F. E. Fritsch & E. J. Salisbury Introd. Study Plants vii. 85 Occasionally the petiole is absent, as, for example, in the upper sessile leaves of the Shepherd's-purse..but the majority of leaves are petiolate. 1960 K. Esau Anat. Seed Plants xviii. 258 If the base of either a sessile or a petiolate leaf encircles the stem, it is referred to as a sheathing base. 1986 Austral. Jrnl. Bot. 34 395 The juvenile leaves are lanceolate and become petiolate but not falcate after the 15th leaf node. 1998 M. Bail Eucalyptus (1999) xxiii. 165 Buds are larger with a bluntly conic operculum; adult leaves are petiolate. Derivatives ˈpetiolated adj. = petiolate adj. ΘΚΠ the world > plants > part of plant > leaf > petiole or leaf-stalk > [adjective] > having a petiole petiolate1753 petiolated1757 petioled1783 subpetioled1783 subpetiolate1801 phyllodineous1848 petiolaceous1858 phyllodinous1880 subpetiolar1900 the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Hymenoptera > [adjective] > belonging to division Petiolata petiolated1757 petiolate1826 1757 Philos. Trans. 1756 (Royal Soc.) 49 835 Those [sc. the leaves] of this species are constantly petiolated. 1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 641 Branchiopoda.—Two eyes petiolated and a frontal ocellus sessile. 1979 Nature 4 Oct. 401/1 N. tabacum var. Xanthi (Xf) which has normal fertile flowers and petiolated leaves. 1997 Functional Ecol. 11 444/2 Petiole length was measured in the tallest petiolated leaf 45 days after planting. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1753 |
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