单词 | subpetiolar |
释义 | subpetiolaradj. Botany. 1. Situated below or under the petiole; esp. designating a bud typical of trees of the genus Platanus, which is obscured by the base of the petiole when first developed. Now rare. ΘΚΠ the world > plants > part of plant > leaf > petiole or leaf-stalk > [adjective] > situated between or with underpetiole(s) subpetiolar1810 interpetiolar1830 interpetiolary1830 intrapetiolar1875 subpetiolate1900 1810 Encycl. Londinensis V. 395/2 Tallow-tree:..glands subpetiolar. 1882 Bull. Essex (Mass.) Inst. 14 67 In the Plane tree or Buttonwood the buds are called subpetiolar, as they are formed under the base of the protecting leaf stock, which forms a sheath or inverted cup. 1905 Aboriculture Oct. 219/1 The sycamore has subpetiolar buds, so that if a leaf stem be broken off, a bud will be found beneath it. 2. = subpetiolate 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 1900 Proc. Acad. Arts & Sci. 35 573 The lower half [of the leaf] entire and cuneate to a narrow-winged subpetiolar strongly ciliate base, including the subpetiolar portion 3 to 5cm. long. 1955 Brittonia 8 76 Leaves with an..elongated and narrowed subpetiolar base. 2001 Castanea 66 180 Leaves..sessile or sometimes tapering to a subpetiolar base. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1810 |
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