leaves at the base of the plant’s stem.
the variety of life on our planet, measurable as the variety within species, between species, and the variety of ecosystems
the study of plant life, its structure and function
a flowering spike found in many woody plants; a cluster of flowers without petals, usually unisexual (either male or female, not both).
occurring in the boreal region around the world.
gradual changes in all the interconnected weather elements on our planet.
plants that are mostly evergreen, with narrow needle-like leaves; produce cones for reproduction. Larch is the only conifer that sheds all of its needles annually.
a group of plants with leaves that fall off at the end of the growing season (start of the winter season in Canada).
a plant that is recognized as a "biological measuring stick" of its habitat; it has brief, easily-observed growth stages, which reflect changes in its environment (eg. seasonal temperature increase).
plants that grow and produce flowers in successive years, from the same roots.
the study of the seasonal timing of life cycle events (changes in plants and animals).