godan verb (-ru), intransitive verb
remain blooming; stay on the stem
Describes flowers or blossoms that have not yet fallen, often with a poetic or seasonal nuance. Used for cherry blossoms or other flowers that are still attached while others have scattered.
桜の花がまだ散り残っている。
Some cherry blossoms are still left blooming.
散り残る紅葉が美しい。
The remaining autumn leaves are beautiful.
Compound of 散り (continuative form of 散る 'to fall, scatter') + 残る 'to remain'. The exact historical derivation is uncertain, but the word is conventionally associated with the image of lingering blossoms.