Plants that lose their leaves at the end of the growing season. Also called caducous.
Dry fruit which opens when mature, freeing the seeds.
Received its name (Delphinium) because the shape of the nectary resembles a dolphin. Also called larkspur.
Dendron means tree. Dendrobium is an epiphytic orchid found upon trees.
With toothed margin.
Central portion of the capitula of composites, formed by the close aggregation of tubular florets; the yellow circle at the center of the sunflower is a floral disc
Vegetative propagation technique that consists in cutting the whole of the roots, the rootstalk (or rootstock), tuber or other belowground structures into two or more parts. As a rule, any plant with more than one stem can be propagated by division (vertical cut of the rootstalk).
Period of the year in which the plant is inactive, producing few or no leaves.
Flowers that have at least two rings of petals. In general, the stamens and pistils in the center of the flower are replaced by more petals. Double flowers are usually cultivars. For example, some varieties of roses. (Also see Simple Flower, and Semi-Double Flower).
Structure or operation to facilitate water from draining out of vases, other recipients or plant beds.
Aerial root: Roots derived from nodes. These roots are usually used by vines to climb, but also absorb humidity from the air. Many only develop properly if they manage to attach to a medium adequate to grow roots, like sphagnum. The philodendron and monstera are plants that present aerial roots.