(November 2016) Pogona is a genus of reptiles containing eight lizard species, which are often known by the common name bearded dragons. The name bearded dragon refers to the beard of the lizard, the underside of the throat which turns black if they are stressed or see a potential rival.
Desert willow (Chilopsis linearis), with its delicate, pale green leaves and large, fragrant flowers, loses its leaves in winter. A North American native, desert willow grows wild in the southwestern United States and Mexico. It commonly grows in desert areas that flood seasonally, like stream beds and low canyon areas.
Trees that keep leaves in winter are known as evergreen trees. Evergreen trees do lose a small amount of their needle-like foliage during the winter; needles aged one to 17 years that are unneeded can be found near the trunk of the tree, and drop once a year, depending on the species.unipers (Juniperus spp.) are a species of coniferous evergreen trees that keep their leaves in winter. Junipers display fleshy cones and foliage that resembles either needles or scales, in hues of dark green to gray green; certain varieties bear small bluish berries.