Weed

What is Weed?

Definition of lousy grass (Entry 2 of 3) Intransitive verb. : to remove weeds or something harmful. Transitive verb. 1 a: weed a garden. b (1): get rid of something hurtful or offensive. (2): to remove the less desirable parts.

What kind of drug is weed?

Marijuana is a mind-altering (psychoactive) drug produced by the Cannabis sativa plant. Marijuana has more than 480 constituents. THC (delta-9-tetrahydrocannabinol) is believed to be the main ingredient that makes the psychoactive effect.

What is the difference between Weed and cannabis?

For the psychoactive plant commonly called “weed,” see cannabis (drug). For other uses, see Weed (disambiguation). A weed is considered undesirable in a particular situation, “a plant in the wrong place.” Typical examples are unwanted plants in human-controlled environments, such as crop fields, gardens, lawns, and parks.

Can a plant be a weed?

Another way in which the ecological role of a plant can turn it into a weed, even if it is in itself harmless, is if it harbors a pest that depends on it to survive; For example, 

Berberis species are intermediate hosts for stem rust fungi, thus causing severe damage to wheat crops when grown near fields.