powder-puff tree; Barringtonia racemosa
A tropical tree with showy, drooping flower clusters; the name literally means 'hanging flower'.
In Okinawa, there are tours to see the powder-puff tree flowers bloom at night.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling; rarely used in practice.
From 下がり (sagari, 'hanging') + 花 (hana, 'flower'), referring to the tree's drooping flower clusters. The exact historical derivation is uncertain.