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单词 pleiomery
释义

pleiomeryn.

Brit. /plʌɪˈɒm(ə)ri/, U.S. /ˌplaɪˈɑm(ə)ri/
Origin: Formed within English, by compounding. Etymons: pleio- comb. form, -mery comb. form.
Etymology: < pleio- comb. form + -mery comb. form. Compare scientific Latin Pleiomeris, genus name (A. de Candolle 1841, in Ann. sci. nat. (Bot.) 16 87).
Botany.
The condition of having more than the normal number of parts in a floral whorl or flower.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > symmetry or arrangement of
symmetry1845
polysymmetry1875
pleiomery1887
1887 Bot. Gaz. 12 121 Pleiomery (usually increased lips or stamens).
1938 Amer. Jrnl. Bot. 25 793/1 The possibility that pleiomery of the stamens arises from the division of..antesepalous and antepetalous stamens is indicated by branching of their traces.
1997 Ann. Missouri Bot. Garden 84 220/1 Note that pleiomery is a rather common feature within the Rubiaceae-Gardenieae, and that it is not restricted to cultivated species.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1887
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