The cannabis plant belongs to a family of flowering plants called Cannabaceae, which also includes hops and hackberries. Within this family, there's some debate about how to classify cannabis. For years, botanists have discussed whether there are multiple distinct species or just one species with several subspecies.

Traditionally, three main types are recognized: Cannabis sativa, Cannabis indica, and Cannabis ruderalis. Each has been associated with different physical traits and growth patterns.

Cannabis ruderalis is unique because its flowering is triggered by age, not by changes in the light cycle. This trait, known as auto-flowering, is valuable to breeders.

However, centuries of cultivation and cross-breeding mean that most cannabis plants today are hybrids. These hybrids combine traits from all three types, so the old classifications are more of a guideline than a strict rule.

Like any other plant, cannabis has a distinct structure with specialized parts, each playing a vital role in its survival and reproduction. Understanding these parts is key to understanding how the plant grows.

Cannabis is a dioecious plant, which means individual plants are either male or female. This is crucial for cultivation.

Female plants produce the large, resinous flower clusters, often called buds. These flowers contain high concentrations of cannabinoids. Key parts of the female flower include:

• Calyx: A teardrop-shaped pod that forms the base of the flower and contains the reproductive parts.
• Pistils: These are the vibrant, hair-like strands that emerge from the calyx. They start white and darken to yellow, orange, or brown as the plant matures. Their job is to catch pollen.
• Trichomes: These are the microscopic, mushroom-shaped glands that cover the surface of the flowers (and to a lesser extent, the leaves). They produce the plant's resin, which contains cannabinoids and terpenes.

Male plants produce pollen sacs that look like small clusters of grapes. When mature, these sacs open to release pollen. Most growers remove male plants to prevent them from pollinating the females. A pollinated female plant will focus its energy on producing seeds instead of cannabinoid-rich flowers. The result of keeping females unpollinated is known as sinsemilla, which is Spanish for "without seeds."

A cannabis plant goes through four distinct stages from seed to harvest. The length of each stage can vary depending on the strain and growing environment.

Understanding these botanical basics provides the foundation for successful cultivation and a deeper appreciation for the plant's complexity.