acalyculateadj.
/eɪkəˈlɪkjʊlət/, U.S. /ˌeɪkəˈlɪkjələt/ rare.† 1. Botany. Of a flower or plant: having no calycle (calycle n. 1a). Obsolete.
ΚΠ
1884 N.E.D. Acalyculate, having no calyculus or accessory calyx.
2. Zoology. Of a hemipenis of a snake or lizard: lacking calyces (sculptured surface features with a central depression).
ΚΠ
1951 Herpetologica 7 128 These branches are seen to be separated by thin, acalyculate to feebly calyculate tissue.
2004 Proc. Royal Soc. B. 271 1973/1 All of these [chameleon] taxa possess acalyculate hemipenes with dual apical horn ornamentation.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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adj.1884