1. Being or of the nature of an ovule 
2. Of or relating to an ovum

See also: ovule, ovum

• genus Blarina
• genus Blastocladia
• genus Blastomyces
• genus Blatta
• genus Blattella
• genus Blechnum
• genus Blennius
• genus Blephilia
• genus Bletia
• genus Bletilla
• genus Blighia
• genus Blissus
• genus Bloomeria
• genus Bocconia
• genus Boehmeria
• genus Bolbitis
• genus Boletellus
• genus Boletus
• genus Boltonia
• genus Bomarea
• genus Bombax
• genus Bombina
• genus Bombus
• genus bombycilla
• genus Bombyx