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单词 homotropous
释义

homotropousadj.

/həˈmɒtrəpəs//hɒˈmɒtrəpəs/
Etymology: < Greek ὁμο- homo- comb. form + -τροπος turning + -ous suffix (after French homotrope, A. Richard 1819): compare Greek ὁμότροπος of like disposition.
Botany.
Of the embryo of a seed: Having the radicle directed towards the hilum. Opposed to antitropous or heterotropous.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > [adjective] > of parts > relating to embryo or radicle
rostellate1800
orthotropous1819
peritropal1819
radicular1819
rostelliform1819
homotropous1829
heterotropous1830
heterotropal1832
axile1839
amphitropous1841
homotropal1844
rostellara1845
amphitropal1847
peritropous1849
polyembryonate1864
polyembryonic1864
proembryonic1875
1829 P. Clinton tr. A. Richard New Elem. Bot. (ed. 4) 398 The embryo is said to be homotropous when it has the same direction with the seed, that is to say, when its radicle corresponds to the hilum.
1861 R. Bentley Man. Bot. i. iv. 351 The embryo is said to be erect or homotropous.
This entry has not yet been fully updated (first published 1899; most recently modified version published online September 2018).
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adj.1829
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更新时间:2024/12/22 22:13:15