MCPE-18635Chorus flowers drop when their stems are broken
In the Java edition, chorus flowers can only be harvested if broken by the player directly. However, as of 0.17.0.2, breaking the chorus plants stems (and therefore indirectly causing the flowers to break) will cause them to drop, even though the player did not break them with his hand or tools. This issue has been happening since 0.17.0.1.
Linked Issues
Created Issue:
Chorus flowers drop when their stems are broken
In the Java edition, chorus flowers can only be harvested if broken by the player directly. However, as of 0.17.0.2, breaking the chorus plants stems (and therefore indirectly causing the flowers to break) will cause them to drop, even though the player did not break them with his hand or tools. This issue has been happening since 0.17.0.1.
relates to
Revised the title & description to be more descriptive, and created a separate issue for the chorus flowers dropping when indirectly broken: MCPE-18635 ... Please do not report multiple issues in one report. See this helpful guide on how to make helpful/descriptive bug reports ...Thank you! 
What do you mean by indirectly? Did you break the chorus tree by mistake or what?
gatharian I broke the stems, which causes the entire plant to break. However, chorus flowers shouldn't drop when broken like this. (See Java edition behavior.) They should only drop if they are directly broken by the player using their hand or a tool.