Bot. [Fr. endogène (De Candolle 1813) f. Gr. ἔνδο-ν (see ENDO-) + -γενής born, produced. (A Gr. ἐνδογενής is found with sense ‘born in the house.’).] A plant in which new wood is developed in the interior of the stem, which is not differentiated into wood and bark; opposed to EXOGEN. Also fig.
Hence Endogeneity [badly formed after homogeneity], the fact of being ENDOGENOUS.
1842. Gray, Struct. Bot., iii. § 3 (1880), 70. Endogenous, or inside growing, and for such plants the name of Endogenous Plants, or Endogens.
1867. J. Martineau, Ess., II. 167. Man is still definable as a mere intellectual endogen.
1872. H. Macmillan, True Vine, iii. 76. The peculiarity of the endogen is to be simple and unbranched in all its parts.
1835. Lindley, Introd. Bot. (1848), I. 234. What is called Endogeneity.
