When she orders, the gardener translates these toppings for the waiter as broccoli, tomatoes, and artichokes because she doesn't want to embarrass him if he doesn't know botanical names.
When the waiter delivers the pizza to her table and tells the gardener that it is the most colorful pizza he has served all night, she beams with pride. She has apparently designed a lovely
She takes a picture of it, because she likes pictures of pretty gardens, er... pizzas.
Later, as she eats her garden pizza, the gardener thinks about other plants that make pizzas taste so good including many varieties of Capsicum annuum, Allium cepa, and Agaricus bisporus - peppers, onions, and mushrooms.
She also thinks about herbs that taste good on pizza including Ocimum basilcum and Origanum vulgare, also known as basil and oregano.
She wonders if others think of botanical names when they think of plants and then translate those to common names when they speak of them to others. She likes to do it just to keep her mind sharp.
Finally, when a gardener orders pizza, she orders a big enough pizza so she has some left over to take home. The next morning, it is just as colorful, just as tasty, and just as pretty a garden, er.. pizza, as when it was first served.