dicotn.
= dicotyledon n.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [noun] > monocot, dicot, or polycotyleden
dicotyledon1727
monocotyledon1727
polycotyledon1828
dictyogen1841
monocot1854
homogen1866
dicot1877
monocotyl1877
1877 J. D. Hooker Let. 8 Feb. in L. Huxley Life & Lett. J. D. Hooker (1918) II. xxxix. 236 1. Monocots. 2. Dicots. a. Angiosp. b. Gymnosp.
1877 J. Le Conte Elements Geol. (1879) 354 Types..of the Monocotyls on the one hand, and the Dicotyls on the other.
1890 Athenæum 22 Nov. 702/1 Angiosperms are divided [by Dr. D. H. Campbell] into two ‘sub-classes’, thus placing the monocots and dicots on a lower level than the cycads.
1903 Amer. Jrnl. Sci. 166 416 The main development of the early Dicotyls and other plants constituting the best horizon markers took place in the late Jurassic.
1907 J. D. Hooker Let. 13 May in L. Huxley Life & Lett. J. D. Hooker (1918) II. xxix. 22 You ask why ‘in the British Flora of Mr. Bentham and myself I begin Dicots with Ranunculaceae’!
1967 Kew Bull. 21 342 Finally the monocots and dicots must be equally old, as is also apparent from the fossil record.
This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2019).
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n.1877