anatropousadj.

/əˈnætrəpəs/

Etymology: < modern Latin anatrop-us, < assumed Greek *ἀνάτροπος turned upside down ( < ἀνά up + -τροπος , < τρέπειν to turn) + -ous suffix.

Bot.

Said of the ovule of phanerogamous plants when its nucleus, with its integuments, is inverted, so that its apex points to the base of the ovule. Opposed to orthotropous, in which the nucleus is erect within the ovule.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > relating to or having ovule

anatropal1835

campylotropal1835

campylotropous1835

chalazal1835

atropous1839

anatropous1847

atropal1857

hemianatropous1857

hemitropous1860

hemitropal1864

nucellar1880

ovulate1890

1847 in J. Craig New Universal Dict.

1857 A. Henfrey Elem. Course Bot. 130 The anatropous ovule is only an orthotropous ovule with a long funiculus confluent with the outer coat.

1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 501 The usual form of the ovule of angiosperms is the anatropous.

This entry has not yet been fully updated (first published 1884; most recently modified version published online November 2010).

单词	anatropous
释义	anatropousadj. /əˈnætrəpəs/ Etymology: < modern Latin anatrop-us, < assumed Greek ἀνάτροπος turned upside down ( < ἀνά* up + -τροπος , < τρέπειν to turn) + -ous suffix. Bot. Said of the ovule of phanerogamous plants when its nucleus, with its integuments, is inverted, so that its apex points to the base of the ovule. Opposed to orthotropous, in which the nucleus is erect within the ovule. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > relating to or having ovule anatropal1835 campylotropal1835 campylotropous1835 chalazal1835 atropous1839 anatropous1847 atropal1857 hemianatropous1857 hemitropous1860 hemitropal1864 nucellar1880 ovulate1890 1847 in J. Craig New Universal Dict. 1857 A. Henfrey Elem. Course Bot. 130 The anatropous ovule is only an orthotropous ovule with a long funiculus confluent with the outer coat. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 501 The usual form of the ovule of angiosperms is the anatropous. This entry has not yet been fully updated (first published 1884; most recently modified version published online November 2010). < adj.1847
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