polyphyllousadj.

Brit.

/ˌpɒlɪˈfɪləs/, U.S.

/ˌpɑliˈfɪləs/

Origin: Formed within English, by compounding; probably modelled on a Latin lexical item. Etymons: poly- comb. form, -phyllous comb. form.

Etymology: < poly- comb. form + -phyllous comb. form, probably after scientific Latin polyphyllus in plant names (from at least the late 17th cent. in post-classical Latin sources, and subsequently in scientific Latin as a specific epithet in binomials). Compare ancient Greek πολύϕυλλος having many leaves.

Botany.

1. Of a perianth, calyx, corolla, etc.: having or consisting of many separate members; not united. Opposed to monophyllous, gamophyllous. Cf. polypetalous adj., polysepalous adj. Now chiefly historical.

ΘΚΠ

the world > plants > part of plant > leaf > plant defined by leaves > [adjective] > having many or particular number of leaves

cinquefoilc1420

quatrefoil?1440

five-leaved1658

two-leaved1688

septifolious1721

tetraphyllous1731

trefoil1752

biphyllous1756

triphyllous1760

polyphyllous1785

decaphyllous1793

four-leaved1793

bifoliate1836

trefoiled1854

decemfoliate1858

polyphylline1872

trefoliated1900

decemjugate-

1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xv. 166 The two genera..agree in having the common calyx polyphyllous, or consisting of many leaves.

1849 J. H. Balfour Man. Bot. i. ii. 171 These calycine leaves are sometimes separate from each other, at other times they are united to a greater or lesser extent; in the former case, the calyx is polysepalous or polyphyllous.

1857 A. Henfrey Elem. Course Bot. §189 We have a regular polyphyllous perianth in the Tulip and Lily.

1903 Science 27 Mar. 500/1 The genus [sc. Yucca] is distinguished by the polyphyllous flowers and short style.

1945 W. O. Howarth & L. G. G. Warne Lowson's Textbk. Bot. (ed. 9) ix. 238 The terms polyphyllous and gamophyllous are used to indicate the free and coherent condition, respectively, of the perianth leaves.

1973 Brittonia 25 327 Strasburger et al. included the following families in their order ‘Amentaceae’, the first order of Choripetalae (perianth single or double, polyphyllous).

2. Of a plant, thallus, leaf, etc.: having or consisting of many leaves or leaf-like parts.

ΚΠ

1938 Ann. Missouri Bot. Garden 25 559 Thallus foliose, mono- or polyphyllous, attached to the substrate by a central strand.

1981 Bot. Gaz. 142 370/1 Leaves are spirally arranged, and inflorescences are terminal so that each axis is a polyphyllous sympodium.

2000 Silvae Genetica 49 37 Two types of [black locust] trees were distinguished: oligophyllous, with few but large leaflets.., and polyphyllous with many but small leaflets.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyphyllous
释义	polyphyllousadj. Brit. /ˌpɒlɪˈfɪləs/, U.S. /ˌpɑliˈfɪləs/ Origin: Formed within English, by compounding; probably modelled on a Latin lexical item. Etymons: poly- comb. form, -phyllous comb. form. Etymology: < poly- comb. form + -phyllous comb. form, probably after scientific Latin polyphyllus in plant names (from at least the late 17th cent. in post-classical Latin sources, and subsequently in scientific Latin as a specific epithet in binomials). Compare ancient Greek πολύϕυλλος having many leaves. Botany. 1. Of a perianth, calyx, corolla, etc.: having or consisting of many separate members; not united. Opposed to monophyllous, gamophyllous. Cf. polypetalous adj., polysepalous adj. Now chiefly historical. ΘΚΠ the world > plants > part of plant > leaf > plant defined by leaves > [adjective] > having many or particular number of leaves cinquefoilc1420 quatrefoil?1440 five-leaved1658 two-leaved1688 septifolious1721 tetraphyllous1731 trefoil1752 biphyllous1756 triphyllous1760 polyphyllous1785 decaphyllous1793 four-leaved1793 bifoliate1836 trefoiled1854 decemfoliate1858 polyphylline1872 trefoliated1900 decemjugate- 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xv. 166 The two genera..agree in having the common calyx polyphyllous, or consisting of many leaves. 1849 J. H. Balfour Man. Bot. i. ii. 171 These calycine leaves are sometimes separate from each other, at other times they are united to a greater or lesser extent; in the former case, the calyx is polysepalous or polyphyllous. 1857 A. Henfrey Elem. Course Bot. §189 We have a regular polyphyllous perianth in the Tulip and Lily. 1903 Science 27 Mar. 500/1 The genus [sc. Yucca] is distinguished by the polyphyllous flowers and short style. 1945 W. O. Howarth & L. G. G. Warne Lowson's Textbk. Bot. (ed. 9) ix. 238 The terms polyphyllous and gamophyllous are used to indicate the free and coherent condition, respectively, of the perianth leaves. 1973 Brittonia 25 327 Strasburger et al. included the following families in their order ‘Amentaceae’, the first order of Choripetalae (perianth single or double, polyphyllous). 2. Of a plant, thallus, leaf, etc.: having or consisting of many leaves or leaf-like parts. ΚΠ 1938 Ann. Missouri Bot. Garden 25 559 Thallus foliose, mono- or polyphyllous, attached to the substrate by a central strand. 1981 Bot. Gaz. 142 370/1 Leaves are spirally arranged, and inflorescences are terminal so that each axis is a polyphyllous sympodium. 2000 Silvae Genetica 49 37 Two types of [black locust] trees were distinguished: oligophyllous, with few but large leaflets.., and polyphyllous with many but small leaflets. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1785
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