noun
white lily
Refers specifically to a white lily flower, often associated with purity and used in bouquets or gardens.
庭に白百合が咲いている。
White lilies are blooming in the garden.
彼女は結婚式で白百合のブーケを持った。
She carried a bouquet of white lilies at the wedding.
百合 is the general term for lily, while 白百合 specifies a white lily.
Compound of 白 (しら, 'white') and 百合 (ゆり, 'lily'). The reading しら is a native Japanese prefix for 'white'.