Bot. [mod.L. (Linnæus), f. TRI- + Gr. γυνή woman, taken as = female organ, pistil.] An order in many classes of the Linnæan System, comprising plants having three pistils. Hence Trigyn, a plant of the order Trigynia; Trigynian, Trigynious adjs., of or belonging to the order Trigynia; Trigynous a., having three pistils.
[1748. Linnæus, Hortus Upsaliensis, 23. Trigynia.]
1760. J. Lee, Introd. Bot., II. viii. (1765), 92. Trigynia, comprehending such Plants as have three Styles.
1775. Ash, Trigynous, having three pistils.
1806. J. Galpine, Brit. Bot., 64. Hypericum…. Fl[owers] trigynous.
1828. Webster, Trigyn … Trigynian.
1846. Worcester cites Lindley for Trigyn.
1860. Mayne, Expos. Lex., Trigynius, a, um… Bot... trigynious.
