prophylln.

Brit.

/ˈprəʊfɪl/, U.S.

/ˈproʊˌfɪl/

Origin: Formed within English, by derivation. Etymons: pro- prefix², -phyll comb. form.

Etymology: < pro- prefix² + -phyll comb. form. Compare earlier prophyllum n.

Botany.

1. The first leaf, or either of the first two leaves, on a lateral shoot, distinguishable (often smaller) in shape and form from later leaves. Cf. earlier prophyllum n.Among the various types of prophyll are the bracteoles on pedicels and the paleae of grasses.

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

1902 Encycl. Brit. XXV. 433/2 In the pentamery and dimery of Dicotyledons there is usually a posterior sepal with a pair of lateral prophylls.

1921 J. Small Textbk. Bot. vii. 75 The first few leaves on a lateral branch are described as prophylls. There are commonly two, and they may be spiny..or just small and simpler than the other leaves... The latter prophylls are usually called bracteoles.

1991 A. D. Bell Plant Form 66 The prophyll on the shoot system forming a female inflorescence of Zea..occurs as the first of a series of large protective ‘husks’.

2004 Development 131 5988/1 Prophylls possibly protected floral buds and reproductive organs in ancestors of modern angiosperms.

2. = protophyll n. rare.

ΘΚΠ

the world > plants > particular plants > moss > [noun] > club-moss or moss-like ferns > parts of

powder1672

oophoridium1847

oophorid1848

oosporangium1857

macrosporangium1862

rhizophore1875

megasporangium1886

megasporange1889

protophyll1891

prophyll1971

1971 D. W. Bierhorst Morphol. Vascular Plants ii. 24/2 This [sc. the protocorm] is a parenchymatous moss bearing..a number of avascular, leaflike structures (‘prophylls’).

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

单词	prophyll
释义	prophylln. Brit. /ˈprəʊfɪl/, U.S. /ˈproʊˌfɪl/ Origin: Formed within English, by derivation. Etymons: pro- prefix², -phyll comb. form. Etymology: < pro- prefix² + -phyll comb. form. Compare earlier prophyllum n. Botany. 1. The first leaf, or either of the first two leaves, on a lateral shoot, distinguishable (often smaller) in shape and form from later leaves. Cf. earlier prophyllum n.Among the various types of prophyll are the bracteoles on pedicels and the paleae of grasses. 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 1902 Encycl. Brit. XXV. 433/2 In the pentamery and dimery of Dicotyledons there is usually a posterior sepal with a pair of lateral prophylls. 1921 J. Small Textbk. Bot. vii. 75 The first few leaves on a lateral branch are described as prophylls. There are commonly two, and they may be spiny..or just small and simpler than the other leaves... The latter prophylls are usually called bracteoles. 1991 A. D. Bell Plant Form 66 The prophyll on the shoot system forming a female inflorescence of Zea..occurs as the first of a series of large protective ‘husks’. 2004 Development 131 5988/1 Prophylls possibly protected floral buds and reproductive organs in ancestors of modern angiosperms. 2. = protophyll n. rare. ΘΚΠ the world > plants > particular plants > moss > [noun] > club-moss or moss-like ferns > parts of powder1672 oophoridium1847 oophorid1848 oosporangium1857 macrosporangium1862 rhizophore1875 megasporangium1886 megasporange1889 protophyll1891 prophyll1971 1971 D. W. Bierhorst Morphol. Vascular Plants ii. 24/2 This [sc. the protocorm] is a parenchymatous moss bearing..a number of avascular, leaflike structures (‘prophylls’). This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1902
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