"Cannabis 3.5g flower" typically refers to a 3.5-gram portion of the cannabis plant's dried flowers or buds. This is a standard measurement for purchasing and consuming cannabis in many places where it's legal.

Here are some key points about cannabis flower:

1. Dried Buds: Cannabis flowers are the reproductive structures of the female cannabis plant. These buds are harvested and dried for consumption.

2. Potency: The potency of cannabis flower can vary widely, depending on the strain and how it's cultivated. It contains compounds like THC (tetrahydrocannabinol) and CBD (cannabidiol) that can have various effects on the user.

3. Strain Varieties: There are numerous cannabis strains, each with its own unique combination of cannabinoids and terpenes. These strains can produce different effects, flavors, and aromas.

4. Legality: The legality of purchasing and consuming cannabis flower varies by location. It's important to be aware of local laws and regulations regarding cannabis.

5. Consumption: Cannabis flower can be smoked, vaporized, or used in edibles. How it's consumed can affect the onset and duration of its effects.

6. Effects: The effects of cannabis flower can include relaxation, euphoria, altered perception, increased appetite, and more. The specific effects can vary from person to person.

It's crucial to use cannabis responsibly, especially if it's your first time or you're in an area where it's legal. Start with a small amount and pay attention to your body's reactions. If you have questions about its legal status or its effects, it's best to consult with a healthcare professional or refer to local laws and regulations.