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Us·nea (usґne-ə) a genus of lichens of the family Usneaceae. U. barbaґta (L.) Wigg. is a species that grows on forest trees and contains usnic acid; it is used as a homeopathic preparation.Medical dictionary. 2011.
Usnea — Us ne*a, n. [NL., from Ar. usnah moss.] (Bot.) A genus of lichens, most of the species of which have long, gray, pendulous, and finely branched fronds. Usnea barbata is the common bearded lichen which grows on branches of trees in northern… … The Collaborative International Dictionary of English
Usnĕa — (U. Dill.), Flechtengattung aus der Familie der Hymenothalami Usneacece; Arten: U. plicata Lk., Ach., blaßgrün, ästig, mit haarförmigen Spitzen, spannenlang, häufig von den Ästen alter Bäume herabhängend; Farbe hochgelb; soll gepulvert… … Pierer's Universal-Lexikon
Usnĕa — Dill. (Bartflechte), Gattung der Strauchflechten, mit fadenförmigem, sehr vielästigem, meist schlaff hängendem Thallus und mit schildförmig gestielten, kreisrunden, flachen, blassen Apothecien, die einen oft in wimperartige Ästchen auswachsenden… … Meyers Großes Konversations-Lexikon
úsnea — s. f. 1. [Botânica] Gênero de líquenes que se empregam em tinturaria. 2. Penugem … Dicionário da Língua Portuguesa
Usnea — Usnée Usnea … Wikipédia en Français
Usnea — Taxobox | name = Usnea image width = 240px image caption = Usnea australis regnum = Fungi divisio = Ascomycota classis = Lecanoromycetes ordo = Lecanorales familia = Parmeliaceae genus = Usnea subdivision ranks = Species subdivision = See text.… … Wikipedia
Usnea — Usnea … Wikipedia Español
Usnea — Bartflechten Usnea australis Systematik Abteilung: Schlauchpilze (Ascomycota) Klasse … Deutsch Wikipedia
Usnea — noun widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus • Syn: ↑genus Usnea • Hypernyms: ↑fungus genus • Member Holonyms: ↑Usneaceae, ↑family Usneaceae • Member … Useful english dictionary
Usnea — Usnic Us nic, a. (Chem.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens ({Usnea}, {Parmelia}, etc.). [1913 Webster] … The Collaborative International Dictionary of English
usnea — noun Etymology: New Latin, from Arabic ushna moss Date: 1597 any of a genus (Usnea of the family Usneaceae) of widely distributed lichens (as old man s beard) that have a grayish or yellow pendulous freely branched thallus … New Collegiate Dictionary
