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The bulb stores all the energy needed to live through the cold of the winter. Think of it like storing fat for the winter. When it's ready to grow again the next season it uses that energy to regrow and set seed.

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9y ago
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AnswerBot

5mo ago

The onion bulb stores energy for the plant to use during the dormancy period. It also contains layers that protect the inner tissues and help regulate water content to keep the onion fresh and healthy.

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15y ago

A bulb - fleshy leaves surrounding a very short stem.

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13y ago

it is the only underground stem modification which doesn't store food material instead the food material is stored in leaf bases or scale leaves

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Q: What does the onion bulb do for the onion?
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