the knob grass plant is available under the scientific name gomphrena globosa, or in english it is called globe amaranth 1

afternoon agriculture background backyard beautiful beauty bloom blooming blossom bokeh botanical bouquet bright closeup color colourful day detail evergreen field flora floral flower flowers food garden gardening green growth herb lawn leaf macro meadow natural nature outdoor outside pattern petal plant pollen produce season shrub sky small soil spring summer sunny tree tropical vegetable white wildflower yellow knob grass available scientific name gomphrena globosa english called globe amaranth globeamaranth