Due to the young age and lack of distinguishing features like flowers or specific bark characteristics, it is very difficult to definitively identify the exact plant name from the provided image. The elongated, narrow leaves bear a resemblance to a young Willow (Salix species), but this is not conclusive. It could also potentially be a young sapling of another tree or shrub species.

Scientific Name: A precise scientific name cannot be assigned without a more definitive identification. If it were a willow, the scientific name would be Salix followed by the species epithet (e.g., Salix babylonica for Weeping Willow, Salix alba for White Willow). However, this remains speculative.

Plant Family: Based on the elongated, lanceolate leaves, the plant could potentially belong to a diverse range of families. Without distinct flowers, fruits, or more specific leaf venation or arrangement, it is challenging to definitively identify the family. Possible families could include Salicaceae (if it's a willow), Myrtaceae (if it's some type of eucalyptus, although less likely at this size and leaf distinctiveness for common species), or even some members of the Rosaceae or Ericaceae in very young stages, though less probable given the habit. A definitive family cannot be determined from the provided image.

Native Region: The native region cannot be determined without a precise identification of the plant. If it were a type of Willow (Salix), native regions would vary widely globally, spanning temperate, tropical, and cold climates.