Landrace sativa strains are original, pure cannabis varieties that evolved naturally in specific tropical regions of the world over thousands of years, remaining largely untouched by modern hybridization. These plants are the ancestors of almost all modern cannabis hybrids and are characterized by their adaptation to local environments (terroir), often found in warm, tropical, and humid climates in Asia, Africa, and Latin America. Effects: Known for producing a, cerebral, uplifting, and energetic "head high". They are often used for creativity and focus. Aroma/Flavor: Typically earthy, tropical, citrusy, or woody.