chicken sticks（viburnum opulus linn. var.calvescens rehd. hara f. calvescens）

acuminate anthracene apex bark branches buds calvescens chicken cyme deciduous division elliptic european flowers hairless hara height irregular lanceolate large leaf linn lobes lonicerae margin obovate opulus outline oval palmate peanut pedicel pedicels petiole pod prototype radiation rectangular rehd rough second shrub sparse stalked sterile sticks sticksviburnum stout strong surrounded teeth thick third umbrellashaped varcalvescens wavy wide winter