Medullosaceae
Medullosaceae
[mə′dəl·ō′sās·ē‚ē] (paleobotany)
A family of seed ferns; these extinct plants all have large spirally arranged petioles with numerous vascular bundles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Bases for determining relationships among the
Medullosaceae. Am.
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