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Vertical, fleshy, underground stem that acts as a vegetative reproductive structure in certain seed plants. It bears membranous or scaly leaves and buds. Typical corms are those of the crocus and gladiolus. Corms are sometimes called solid bulbs, or bulbo-tubers, but they are distinguished from true bulbs and tubers.
This entry comes from Encyclopædia Britannica Concise. For the full entry on corm, visit Britannica.com.