With a pH lower than 7 (also see pH). Acid soils are common in rainy regions, tend to be dark and form algal mats.

Leaf that tapers in elongated tip.

Does not develop from the radicle; root developed from unusual parts of the plant, like, for example, the leaves in some succulent plants.

Occurring in the air or part of the air; the aerial part of a plant is, usually, the stem, branches, leaves, flowers, and fruits; aerial root is any root exposed to the air, like that of the philodendra or rubber tree.

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.

With a pH higher than 7 (also see pH). Alkaline soils occur more commonly in regions with little rain, they tend to be whitish.

Also known as Peruvian lily, in honor of the botanist Klas Von Alstroemer.

Leaves that grow in alternate nodes on each side of the stem or branch.

Popular plant and great for closed environments.

Plants obtained from seed that complete the life cycle in one season. Annuals should be discarded as soon as the cycle is completed. Several perennial plants are treated as annuals, generally because they lose their vigor in subsequent years.

Part of the stamen that develops and contains pollen.

Tropical flower, whose name is of Greek origin.

Terminal portion of an organ, like the stem or root.

Dry fruit, with a single seed connected to the wall of the fruit at a single point, like the sunflower.

Rustic construction covered with hay or vines which can cover it from all sides.

Organ exclusive of cacti, composed of a small pillow or elevation from where the spines, branches and flowers grow. This term also designates a small translucent circle in leaves attacked by fungi.

Angle, usually upper, of the point of divergence between a branch and the stem or between a leaf and the axis of attachment.

Longitudinal stalk where plant organs are fixed: the hypothetical central line of any plant structure