† orthocarpousadj.BotanyObsolete having straight fruit.
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1881 Jrnl. Bot., Brit. & Foreign19 115 This species belongs to the orthocarpous leiophyllous Hypnaceae.
1892 Bot. Gaz.17 230 For the degree of M. S. [at the University of Wisconsin], Mr. Rodney H. True presented a thesis ‘On certain species of the so-called orthocarpous Dicrana’.