A collective plant organ structure (PO:0025007) that is part of an anther (PO:0009066) and consists of a pair of sporangia (PO:0025094) that dehisce down a common slit. [source: APweb:Glossary]
Comment
If you are annotating to this structure 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).