replumn.
/ˈrɛpləm/, /ˈriːpləm/, U.S. /ˈrɛpləm/, /ˈripləm/ Botany.
In certain types of dehiscent fruits, esp. in the family Brassicaceae ( Cruciferae): a central framework to which the seeds remain attached when the valves fall away at dehiscence, consisting of the parietal placentae with the adjacent tissue. Also: the false septum.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > style or pistil and related parts > carpel and placenta
placenta1681
placentule1682
seedbed1720
trophosperm1819
replum1828
carpel1835
spermaphore1847
hemicarp1854
spermophore-
1828 J. Lindley in Bot. Reg. 14 1168 In Cruciferæ the stigmata are opposite to the placentæ, terminating a sort of frame or replum.
1849 J. H. Balfour Man. Bot. §534 In Orchidaceæ..when the valves fall off, the placentas are left in the form of three arched repla or frames.
1898 Amer. Naturalist 32 364 Not only the two valves, but also the two placenta-bearing columns of the replum, represent carpels.
1952 P. Mann Systematics Flowering Plants ii. 79 Family Cruciferae... There are two carpels, joined antero-posteriorly, and separated by a false septum (replum) which links the two parietal placentas.
1994 W. B. Zomlefer Guide Flowering Plant Families 129/1 The silique or silicle is divided into two chambers by a membranous partition... This septum is bounded by the persistent rim-like placentae called the replum; some authors, however, use the term ‘replum’ to refer specifically to the partition.
2000 Novon 10 340/1 All species of Cardamine have flattened repla.
This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).
<
n.1828