cape bugle-lily (watsonia borbonica subsp. ardernei) with stem of white flowers, native to south africa

cape bugle-lily watsonia borbonica subsp ardernei stem white flowers native south africa flower bloom blossom bud blooming carpel pistil stigma style ovary pollen sepal receptacle stamen anther filament petal raceme inflorescence iridaceae close-up blooms fresh bugle lily corm freshness botany botanical nature bulb flora floral garden green leaf outdoors plant spring commonly family africa two subspecies: subsp borbonica form well-established cultivation watsonia tall strap-like leaves growing fan arrangement may grow metres tall