close-up of branch flowering chinese fir tree cunninghamia lanceolata `glauca` in spring arboretum park

adler arboretum background beautiful blue botanical botany branch bright bunch china chinese close closeup concept conifer coniferous copy cultures cunninghamia decorative design detail evergreen fir flora flowering focus foliage garden glauca gray green lance lanceolata landscape leaves lush native nature needles ornamental outdoor park plant selective shape shoots sirius sochi southern spase spring texture tree