noun
single-flowered cherry tree; single cherry blossoms
Refers to cherry trees with simple, five-petaled blossoms (as opposed to double-flowered varieties like 八重桜). Can denote the tree itself or its blossoms.
公園の一重桜が満開になった。
The single-flowered cherry trees in the park are in full bloom.
一重桜は八重桜より早く咲
Single cherry blossoms bloom earlier than double cherry blossoms.