Acer triflorum, Arnold Arboretum - IMG 5932

描述：

Description: Acer triflorum, Arnold Arboretum, Jamaica Plain, Boston, Massachusetts, USA. Date: 21 April 2010. Source: Own work. Author: Daderot. Permission(Reusing this file): Public domain. Licensing[edit] Public domainPublic domainfalsefalse. : I, the copyright holder of this work, release this work into the public domain. This applies worldwide.In some countries this may not be legally possible; if so:I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.