Xylaria xy·la·ria uncommon noun 1. type genus of Xylariaceae; fungi with perithecia in the upper part of erect black woody stromata Synonymsgenus Xylaria Related words Word family XylariaceaeXylaria maliXylaria polymorpha Broader terms fungus genus Parts Xylariaceae Part of black root rot fungusdead-man's-fingers WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
