inflorescence catkin inflorescence PO:0030119 catkin (exact) Examples include poplars (including Populus trichocarpa, Salicaceae) and birches (Betula spp., Betulaceae). Catkin inflorescences are often pendulate. An inflorescence (PO:0009049) with a monopodial growth habit, which at flowering stage (PO:0007616) is composed of indeterminate, first order inflorescence axes (PO:0025104) and sessile, unisexual flowers (PO:0009046) that are each subtended by conspicuous inflorescence bracts (PO:0009054). NYBG:Brandon_Sinn 2017-04-20T12:48:27Z ament (exact) ament catkin plant_anatomy