dicotn.

Forms: also dicotyl.

Etymology: Shortened < dicotyledon n.

= 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).

单词	dicot
释义	dicotn. Forms: also dicotyl. Etymology: Shortened < dicotyledon n. = 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). < n.1877
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