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大头茶是茶科大头茶属一种,是我区北热带、南亚热带的天然林树种,常绿乔木,树干通直,高达8～10米,枝下高5～6米;萌芽力强,伐后能萌发5～8株,当年生长40～70公分;基茎0.5～0.8公分。据广西农学院林学分院1972年测定木材力学性质为:径面干缩系数平均值0.228％,弦面干缩系数平均值0.341％,体积的干缩系数平均值0.594％;容重平
The big head tea is a kind of big tea of the tea family. It is a natural forest tree of the north tropical and south subtropical zone in our region. The evergreen tree is straight and up to 8 to 10 meters high and 5 to 6 meters tall. After cutting can germinate 5 to 8, when the growth of 40 to 70 cm; base stem 0.5 to 0.8 cm. According to the measurement of wood mechanical properties of Guangxi Academy of Agricultural Forestry in 1972, the average radial dry shrinkage coefficient is 0.228%, the average chord-surface dry shrinkage coefficient is 0.341% and the volume shrinkage coefficient is 0.594%