The myrtle plant family of the order Myrtales. It includes several aromatic medicinal plants such as EUCALYPTUS.

A plant genus of the family MYRTACEAE that bears an edible fruit and contains guavin B and quercetin glycosides.

A genus in the family Myrtaceae sometimes known as "stoppers" in FOLK MEDICINE. Many species of the genus SYZYGIUM have synonymous names that begin with the Eugenia genus name.

A plant genus of the family MYRTACEAE. Members contain PHYTOHEMAGGLUTININS.

A genus of trees of the Myrtaceae family, native to Australia, that yields gums, oils, and resins which are used as flavoring agents, astringents, and aromatics.

A plant genus of the family MYRTACEAE. The common name of tea tree is also used for MELALEUCA and KUNZEA.

An imperfect fungus that produces ochratoxins and contaminates EDIBLE GRAIN and coffee beans.

Oils which evaporate readily. The volatile oils occur in aromatic plants, to which they give odor and other characteristics. Most volatile oils consist of a mixture of two or more TERPENES or of a mixture of an eleoptene (the more volatile constituent of a volatile oil) with a stearopten (the more solid constituent). The synonym essential oils refers to the essence of a plant, as its perfume or scent, and not to its indispensability.

Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard.

Expanded structures, usually green, of vascular plants, characteristically consisting of a bladelike expansion attached to a stem, and functioning as the principal organ of photosynthesis and transpiration. (American Heritage Dictionary, 2d ed)