cibotium

from The Century Dictionary.

• noun A genus of mainly arborescent cyatheaceous ferns, allied to Dicksonia, but distinguished technically from that genus by having the outer valve of the bivalvate indusium larger, more highly modified, decidedly coriaceous and cucullate.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun in some classification systems placed in family Cyatheaceae: ornamental tree ferns with coarse gracefully drooping fronds