primine

primine (plural primines)

1. (botany) The outermost integument of an ovule (if it has two)
   • 1835, John Lindley, A Key to Structural, Physiological, and Systematic Botany‎, Longman et al. (publishers), page 35:

     In the seed these membranes are called by various names, of which the most frequently used are spermoderm or testa for the primine; mesosperm, for the secondine; and endopleura for the other.

• secundine

primine f

1. plural of primina

• imperni