Allium Sphaerocephalum is a flowering plant commonly known as drumstick allium, round-headed garlic, or round-headed leek. This versatile plant is characterized by its distinctive spherical flower heads, which are typically green when they first emerge, then change to a deep burgundy color as they mature. If you're looking for synonyms for Allium Sphaerocephalum, you might also use terms like ornamental onion, globe onion, or ball onion. Other related plants with similar flowers include Allium cristophii, Allium atropurpureum, and Allium hollandicum. These plants are all prized for their unusual appearance and their ability to add color and texture to a garden or flower arrangement.