depends on structure
has visible part
quality of
whole plant
open flower
plant structure presence
open flower presence
non-senesced flowers present
open flowers present
An 'open flower presence' (PPO:0002035) trait that is a 'quality of' (RO:0000080) a 'whole plant' (PO:0000003) that has at least one 'open flower' (PPO:0001033).
open flowers absent