whole plant flowering stage FL.00 first flower(s) open stage 7.01-anthesis beginning in oat (related) TAIR:0000421 PO:0007026 6.00 1st flowers on main stem open in soybean (related) 7.01-anthesis beginning in barley (related) plant_structure_development_stage The stage at which the first flower(s) open. FL.00 first flower(s) open in Solanaceae (related) These first flowers are not necessarily the oldest flowers in the inflorescence. In some cereal plants the flowering starts in the middle of the inflorescence. This stage refers to the whole plant. SGN:0000035 SOY:0000072 7.01-anthesis beginning in wheat (related) GRO:0007102 first open flower in Arabidopsis (related) Stage R1 Open flower at any node on the main stem (related) 7.01-anthesis beginning in Triticeae (related)