Put down roots with botany trivia on plant physiology, photosynthesis, North American trees and flowers, and plant evolution. From towering redwoods to the biochemical magic that turns sunlight into life, plants quietly run the whole show on Earth. Branch out and see if your plant knowledge is in full bloom.

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This green pigment inside plant cells captures sunlight and powers the process that creates food from carbon dioxide and water.
The flat, typically green organ where most of a plant's food-making process occurs through gas exchange with the atmosphere.
The sticky powder produced by flowers that must reach the female part of a plant for seeds to develop.
Plants like cacti and agave that store water in thick, fleshy tissues to survive in dry environments.
The process by which plants convert light energy, water, and carbon dioxide into sugar and release oxygen as a byproduct.
The male reproductive part of a flower, consisting of a thin stalk topped by an anther that produces reproductive powder.
Trees that lose all their leaves seasonally, typically in autumn, and grow new ones in spring.
The female reproductive structure in a flower's center, where seeds develop after successful pollination.