setaria pumila

agriculture annual background biology black bloom blossom botanic botany bristle cattail closeup conservatorie details flora floral flower foxtail furry fuzzy grain grass green hairy herb horticulture image inflorescence invasice invasive macro nature panicle phytogeographical pigeon pistil plant pollen pumila purple scientific setaria species specimen spiked spikelet spikes stamen stem stigma straw studies taxa taxonomy vertical weed white wild yellow