part_of part of part of stamen filament Supports the anthers. 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). Zea filament (narrow) PO:0006454 PO:0006474 plant_anatomy PO:0009067 filamento (Spanish, exact) Poaceae filament (narrow) A stalk (PO:0025066) that is part of a stamen (PO:0009029). 花糸 (Japanese, exact) stalk