[Zhu, Zhoujun; Liu, Meilan; Yuan, Deyi; Fan, Xiaoming] Cent South Univ Forestry & Technol, Minist Educ, Key Lab Cultivat & Protect Nonwood Forest Trees, Changsha 410004, Hunan, Peoples R China.
[Zhu, Zhoujun; Liu, Meilan; Yuan, Deyi; Fan, Xiaoming] Cent South Univ Forestry & Technol, Key Lab Nonwood Forest Prod State Forestry Adm, Changsha 410004, Hunan, Peoples R China.
[Tian, Xiaoming] Hunan Forest Bot Garden, Changsha 410116, Hunan, Peoples R China.
[Cao, Heping] ARS, USDA, Southern Reg Res Ctr, New Orleans, LA 70124 USA.