Trichomes

These small crystal like glands are filled with resin. Tricomes contain the highest amounts of THC and also contain CBD and terpenes.

Pistil and Stigma

Pistil is the reproductive part of the plant - Stigmas areoften red, orange or yellow colored hairs. The pistils don’t actually contain any THC - their only purpose is for pollenation.

Sugar Leaves

The sugar leaves are the smaller clusters of leaves where the resin is usually found. Sugar leaves are commonly used in edibles afterbeing processed. They contain higher levels of THC.

Cola / Mature Bud

This is the mature part of the female plant that is harvested for smoking. THC levels in this part of the plant are at the highest. The main bud is located at the top of the plant while smaller ones are found along other nodes down the stalk.

Nodes

Nodes are the points in the plant where the leaves connect to the stem area. This part of the plant is especially important when determining the sex of a cannabis plant.

Stalk

The stalk of a cannabis plant is where hemp is derived from. Hemp can be found in many topical products, fabrics, strings/rope and paper products. This part of the plant has very low THC levels.

Stem

Stems of a marijuanna plant contain some but low levels of THC. Their main role is carrying nutrients to the rest of the plant. However, on occasion stems can aid in the tincture making process.

Fan Leaves

Likely the most well-known image that comes to mind when someone thinks about cannabis is the fan leaf. These big leaves have the lowest concentration of THC and are typically thrown away. 

Now - how to tell if a cannabis plant is female or male?

In order to determine the sex of a cannabis plant - the place to look is at the nodes.

If the plant you are viewing is female - you will begin to see signs of stigma growing - typically around week 6. Around the same time frame if instead of seeing stigma at the node site, you see small sacks of pollen - the plant is male.