Lettuce is a daisy
A pineapple is a bromeliad
Apples, pears, plums, & cherries are roses
Strawberries, blackberries, & raspberries are *not* botanical berries
But tomatoes, grapes, cucumbers, eggplants, bananas, & avocados *are* botanical berries
And maize is the fruit of a grass

Yes, agave is in the Asparagus family. Asparagus (the veggie) was once classed as a Lily, but is now in its own family. Meanwhile, onion, garlic & other Alliums are classified in the Amaryllidaceae family as close cousins of amaryllis, daffodils, snowdrops https://twitter.com/feedmepeas/status/1340789973134544896

Cinnamon is tree bark
Artichoke is a thistle in the daisy family
Broccoli is cabbage flowers that have not yet bloomed
And the part of celery we eat is not the stem—it's the selectively enlarged leaf stalk (petiole), that usually tiny twiggy thing that connects leaves to the stem