Sometimes called sacred lotus, Chinese lotus root (Nelumbo nucifera) is a perennial species of aquatic plant grown for its fragrant, cup-shaped flowers and round foliage. It grows well within U.S. Department of Agriculture plant hardiness zones 4 to 10, where it is commonly added to water gardens and decorative ponds.
What causes puberty to begin? Puberty, that awkward phase when boys and girls are primed for their sexual reproductive years as men and women, appears to be triggered by the brain's own version of It takes two to tango, whereby a signal literally gets turned on by a molecule that is produced by a gene aptly named KiSS-1.
For boys, puberty usually begins around the age of 12 but can start as early as age 9. During puberty, hormones and chemicals are released into the body, which can result in psychological changes. These may include: 1  Mood Swings.  Tiredness.