单词 | multijugate |
释义 | multijugateadj. Botany. 1. Of a leaf: having more than one pair of leaflets. ΘΚΠ the world > plants > part of plant > leaf > [adjective] > compound or lobed cut1565 winged1668 pinnate1687 conjugated1690 trifoliated1698 auriculated1712 auriculate1714 pennate1723 pinnated1725 pennated1727 bigeminate1753 lyrated1753 pedated1753 pinnatifid1753 supradecomposite1753 supradecompound1753 ternated1753 trifoliate1753 lyrate1760 pedate1760 quinate1760 ternate1760 tripinnate1760 palmed1767 bilobated1770 lyre-shaped1778 pennatifid1778 finger-parted1783 superdecompound1783 bipinnate1785 biternate1785 conjugate1785 lobed1787 tergeminate1793 wing-cleft1796 yoked?1803 binate1807 septenate1807 trijugous1813 auricled1821 pinniform1821 multijugous1828 pinnulate1828 trifoliolate1828 bipinnatifid1830 multifoliolate1831 multijugate1831 quinquefoliolate1832 bifoliolate1835 pinnatisected1837 palmatifid1839 tripinnatifid1839 foliate1840 palmatipartite1840 pinnatilobate1840 pinnatipartite1840 pinnatisect1840 bipinnated1842 biconjugate1847 imparipinnate1847 paripinnate1851 pinnatulate1855 polytomous1856 multifoliate1857 pennati-partite1857 pennati-sected1857 ternato-pinnate1857 tripinnatisect1857 patentoternate1859 septemfoliate1859 bipinnatipartite1861 bipinnatisected1861 bipalmate1864 pinnatilobed1866 septenous1866 cut-leaved1870 lobing1870 ternatisect1870 tripinnated1876 trijugate1880 jugate1887 pinnulated1890 trisect1899 tridigitate1900 trigeminous1900 1831 W. Macgillivray tr. A. Richard Elem. Bot. 139 Oppositely pinnate leaves..are said to be..Multijugate, when the pairs of leaflets are in indeterminate number. 1857 A. Henfrey Elem. Course Bot. 59 The pairs of leaflets are sometimes called juga, and if only one pair exists, the leaf is unijugate.., if more pairs, multijugate. 1943 Bot. Gaz. 104 469/1 One was Acacia-leaf, in which the leaves are multijugate by metamorphosis of tendril branches into leaflets. 1958 Ann. Missouri Bot. Garden 45 313 The leaves of these genera are multijugate and the flowers are apetalous. 1998 Jrnl. Plant Biol. 41 201 V[icia] bifolia was grouped with V. venosa var. cuspidata having multijugate leaves. 2. Designating or relating to phyllotaxis (or an analogous arrangement of flowers) in which the parastichy ratios are divisible by a common factor; characterized or produced by several genetic spirals. ΚΠ 1901 A. H. Church Relation Phyllotaxis Mech. Laws i. 12 Still more remarkable was the care with which they [sc. A. and L. Bravais] worked out the multijugate types, in which the fractional expression was divisible by a common factor. 1918 New Phytologist 17 139 Other cases occur with two or more genetic spirals and these are described as bijugate or multijugate. 1951 Philos. Trans. (Royal Soc.) B. 235 532 In exceptional instances bijugate and even multijugate versions of any of these arrangements may be found. 1996 Jrnl. Theoret. Biol. 178 275/2 The most common case of multijugate organization is observed in..the Dipsaeus family, which presents decussate or bijugate leaves and bijugate inflorescences. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < adj.1831 |
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