A Flower is also known as "bloom" or "blossom" . "Blossoms" are also the plants that flower for a short period of time .They are usually pink or white. Blossom trees have a tendency to lose their flower petals in wind blown cascades often covering the surrounding ground in petals. This tends to distinguish blossom trees from other flowering trees.

Blossom means the state when the flower is flourished. See http://dictionary.reference.com/browse/blossom