Basically what the title says, chopping a fully grown bamboo tree/stalk does not drop any actual bamboo though it does drop around 2 bamboo shoots. Have tried every axe and by hand with same result every time.

Dynamic Trees: 0.7.7e
DT BoP Addon: 1.1d
Biomes o Plenty: 7.0.1.2391
Minecraft: 1.12.2
Forge: 2703

Getting same results.