Essential-Oil Ducts

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Essential-Oil Ducts

 

receptacles of essential oils in various plant organs. Essential-oil ducts form as a result of the cell separation (schizogonous ducts, primarily in St. John’s wort and umbellifers), cell dissolution (lysogenic ducts, for example, in dittany and citrus fruits), or mixed causes (in some Rutaceae). Sometimes the essential oil accumulates in separate cells (idioblasts, for example, in hairgrass, laurel, and camphor tree) or in glandular filaments (chiefly in Labiatiae).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.