Arista

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arista

[ə′ris·tə]
(invertebrate zoology)
The bristlelike or hairlike structure in many organisms, especially at or near the tip of the antenna of many Diptera.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Arista

 

in plants, the thin, pointed, sometimes thorny or feathery process on the apex or back of an inferior flowering glume or, less frequently, of the glume of many cereals. An arista may be straight, bent, or spirally twisted (in Stipa and Avena). It plays an important role in the dissemination of cereal grains by the wind or animals.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Ad Aristida chiclavensis affinis, sed arista 1820 mm longa, callio elonganto 7,5-8 mm.