apocyneous
/ˌæpoʊsɪˈnuːiəs/Definitions
1. adjective
Having a secretory gland or duct that opens on the surface of the leaf or branch, especially in certain plants.
“The apocyneous secretion on the stem was a unique characteristic of this plant species.”
2. noun
A plant having apocynaceous glands or ducts.
“The botanist studied the apocyneous structure of the rare flower.”