monocotyledonousadj.
/ˌmɒnə(ʊ)ˌkɒtᵻˈliːdənəs/, U.S. /ˌmɑnəˌkɑdlˈid(ə)nəs/ Botany.
1. Of a plant: having an embryo that bears a single cotyledon (seed-leaf); belonging to the division Monocotyledoneae (see monocotyledon n.).
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [adjective] > mono-, di-, or polycotyledonous
monocotyledonous1770
dicotyledonous1785
polycotyledonous1800
monocotyle1828
monocotyledonous1849
dictyogenous1852
dicotyledonary1870
monocotylous1905
monocot1938
polycotyledonary1989
monocotyl1995
1770 C. Milne Bot. Dict. at Cotyledones Some seeds, however, have only one seminal leaf; in which case, the plants, by botanists, are termed Monocotyledonous.
1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. xiii. 271 Stately trees..loaded by parasitical plants of the monocotyledonous structure.
1851 G. F. Richardson Introd. Geol. (1855) vii. 164 The monocotyledonous, or endogenous classes.
1928 Oxf. Poetry 22 The tulip cold and cavernous So monocotyledonous In its apparent chastity And dark deeps of depravity!
1983 Sci. Amer. June 45/2 The bacterium does not infect monocotyledonous plants, including grasses and cereals.
1997 Proc. National Acad. Sci. U.S.A. 94 9505/2 Computer alignments revealed the presence of OEP16 in the dicotyledonous plant Arabidopsis thaliana..and the monocotyledonous plants Zea mays..and Oryza sativa.
2. Of or belonging to a monocotyledon.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [adjective] > mono-, di-, or polycotyledonous
monocotyledonous1770
dicotyledonous1785
polycotyledonous1800
monocotyle1828
monocotyledonous1849
dictyogenous1852
dicotyledonary1870
monocotylous1905
monocot1938
polycotyledonary1989
monocotyl1995
1849 J. H. Balfour Man. Bot. §91 Endogenous or Monocotyledonous Stem.
1876 D. Page Adv. Text-bk. Geol. (ed. 6) ix. 185 The parallel venation of a monocotyledonous leaf.
1914 M. Drummond tr. G. Haberlandt Physiol. Plant Anat. vii. 349 The opposite or leptocentric..condition is exemplified by the leaf-trace bundles in many monocotyledonous rhizomes.
1946 A. Nelson Princ. Agric. Bot. iii. 71 Many monocotyledonous leaves are bifacial.
1990 Jrnl. Exper. Bot. 41 1309 Since the first leaf is the oldest and the third leaf is the youngest and since monocotyledonous leaves grow from the base, sections were of a widely differing age.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online June 2022).
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adj.1770