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A yellow powder prepared from the spores of Lycopodium clavatum ; used as a desiccant and absorbent.
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 It might be outdated or ideologically biased.



a genus of evergreen herbaceous plants of the family Lycopodiaceae. The numerous spikelets are apical and dense. They consist of an axis with spirally arranged sporophylls, on the upper side of which are the sporangia. The subulate leaves are on unflattened branches. There are approximately ten species, distributed primarily in the forest zone of the northern hemisphere. The spores are used by the pharmaceutical industry and in foundry work.

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