A collective plant organ structure (PO:0025007) that is the pollen-bearing part of a stamen (PO:0009029). [source: APweb:Glossary]
Generally consists of four pollen sacs (microsporangia) in two anther thecas. If you are annotating to anther or one of its parts for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), tassel floret (PO:0006310), lower floret of pedicellate spikelet of tassel (PO:0006313), lower floret of sessile spikelet of tassel (PO:0006315), upper floret of pedicellate spikelet of tassel (PO:0006314), upper floret of sessile spikelet of tassel (PO:0006316).