AP BIOLOGY

Detailed explanation-1: -A well-known example is an onion. Bulbs are often described as tunicate or non-tunicate based on their structure. A tunicate bulb has a papery, outer scale called a tunic that helps prevent it from drying out. Examples include onion, garlic, narcissus, and amaryllis.

Detailed explanation-2: -The onion sets look like small bulbs and are sold at gardening stores; once they mature, they develop into a full-size bulb. Choose onion sets with bulbs that are 3/4 of an inch in diameter; larger ones tend to produce stiff necks and go to seed.

Detailed explanation-3: -An onion isn’t a root or a stem in the traditional sense. It’s a tunicated bulb, or altered stem, with fleshy leaves that keep food and transmit it to other sections of the plant as needed. The onions are a member of the Allium genus, so they are among the most widely farmed plants inside the genus.

Detailed explanation-4: -The best example of a true bulb is the onion. The rings you see when you slice an onion in half are actually leaves modified to hold food for the bulb when it is dormant. Garlic too is a true bulb. Common flowering true bulbs include tulips, daffodils, hyacinths, amaryllis, lilies, and Dutch iris.

Detailed explanation-5: -Definitions of onion. bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb. synonyms: Allium cepa, onion plant.