prophyllumn.

Brit.

/prəʊˈfɪləm/, U.S.

/ˌproʊˈfɪləm/

Inflections: Plural prophylla.

Forms: 1800s– prophyllon, 1800s– prophyllum.

Origin: A borrowing from Greek, combined with English elements. Etymons: pro- prefix², Greek ϕύλλον, English -um.

Etymology: < pro- prefix² + ancient Greek ϕύλλον leaf (see phyllo- comb. form) + -um, after Latin nouns with this ending. Compare later prophyll n. 1.In form prophyllon after ancient Greek ϕύλλον leaf.

Botany.

= prophyll n. 1.

ΘΚΠ

the world > plants > part of plant > leaf > bract, scale, palea, or spathe > [noun]

huskc1400

hosea1450

pannicle1672

surfoil1672

squama1738

palea1753

spatha1753

pelt1759

pelta1760

spath1763

bract1771

scale1776

spathe1785

scalelet1787

glume1789

ramentum1793

rament1813

paleola1829

bracteole1830

bractlet1835

glumelle1836

palea1836

pale1847

periphyll1858

bracket1860

glumella1861

glumellule1861

lodicule1864

bract-sheath1870

palet1871

palea1875

pale1890

prophyllum1890

hypsophyll1895

pale1900

prophyll1902

1890 Bull. Torrey. Bot. Club 17 236 The palea are two-keeled prophylla which begin the floral branch, and like those of the culm-branches, stand with their backs to the main axis..of the spikelet.

1896 Bull. Torrey Bot. Club 23 142 There is a strong and well developed prophyllon on the rachis of the spikelet.

1900 J. Percival Agric. Bot. 89 The leaf-like structures on the pedicels being spoken of as bracteoles or prophylla.

1905 Bot. Gaz. 39 126 If we examine the shoots carefully, it is easily seen that the first of several of them represents a fore-leaf (prophyllon) of most characteristic and striking shape.

1946 K. S. Chester Nature & Prevention Cereal Rusts viii. 104 Inoculations are best made on the prophyllum when the first true leaf is 2 to 3 inches long.

1992 Amer. Jrnl. Bot. 79 1034/2 Prophyllum leaf area reflected the size differences of the seeds.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	prophyllum
释义	prophyllumn. Brit. /prəʊˈfɪləm/, U.S. /ˌproʊˈfɪləm/ Inflections: Plural prophylla. Forms: 1800s– prophyllon, 1800s– prophyllum. Origin: A borrowing from Greek, combined with English elements. Etymons: pro- prefix², Greek ϕύλλον, English -um. Etymology: < pro- prefix² + ancient Greek ϕύλλον leaf (see phyllo- comb. form) + -um, after Latin nouns with this ending. Compare later prophyll n. 1.In form prophyllon after ancient Greek ϕύλλον leaf. Botany. = prophyll n. 1. ΘΚΠ the world > plants > part of plant > leaf > bract, scale, palea, or spathe > [noun] huskc1400 hosea1450 pannicle1672 surfoil1672 squama1738 palea1753 spatha1753 pelt1759 pelta1760 spath1763 bract1771 scale1776 spathe1785 scalelet1787 glume1789 ramentum1793 rament1813 paleola1829 bracteole1830 bractlet1835 glumelle1836 palea1836 pale1847 periphyll1858 bracket1860 glumella1861 glumellule1861 lodicule1864 bract-sheath1870 palet1871 palea1875 pale1890 prophyllum1890 hypsophyll1895 pale1900 prophyll1902 1890 Bull. Torrey. Bot. Club 17 236 The palea are two-keeled prophylla which begin the floral branch, and like those of the culm-branches, stand with their backs to the main axis..of the spikelet. 1896 Bull. Torrey Bot. Club 23 142 There is a strong and well developed prophyllon on the rachis of the spikelet. 1900 J. Percival Agric. Bot. 89 The leaf-like structures on the pedicels being spoken of as bracteoles or prophylla. 1905 Bot. Gaz. 39 126 If we examine the shoots carefully, it is easily seen that the first of several of them represents a fore-leaf (prophyllon) of most characteristic and striking shape. 1946 K. S. Chester Nature & Prevention Cereal Rusts viii. 104 Inoculations are best made on the prophyllum when the first true leaf is 2 to 3 inches long. 1992 Amer. Jrnl. Bot. 79 1034/2 Prophyllum leaf area reflected the size differences of the seeds. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1890
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