
Cladoptosis (clados - a branch, ptosis - falling; it is sometimes pronounced with the p silent) refers to the phenomenon in botany of the regular shedding of branches. It is the counterpart for branches of the familiar process of regular leaf shedding by deciduous trees. As in leaf shedding, an abscission layer forms and the branch is shed cleanly...
Found on
http://en.wikipedia.org/wiki/Cladoptosis

annual shedding of twigs and branches
Found on
http://phrontistery.info/c.html

the annual shedding of twigs or branches instead of leaves, as in certain cypresses.
Found on
https://www.infoplease.com/dictionary/cladoptosis
No exact match found.