feathertop grass (cenchrus longisetus). spikelet closeup

anthesis awn basal sterile floret belarus flora black background botanical science botany bristle cenchrus longisetus closeup cuspidate dorsally compressed feathertop grass fertile filament focus stacking glume gramineae involucre lanceolate lemma macro nature pedicel peduncle pennisetum villosum pistil plants poaceae spikelet stigma virtual herbarium