Bulb Posted on November 8, 2022August 1, 2023 by Tex Norwood A below ground stem (for example, in tulip) that is surrounded by fleshy scale like leaves that contain stored food. Related Images:Related Articles: Grow Lighting TechnologyGerminating and Caring for Plumeria SeedsAbout Frost and Freeze DamageHow To Germinate and Care for Plumeria Seeds and SeedlingsGlossary: BulbletVisit our InfoTIP Glossary