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Philadelphus satsumi
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Cornales
Family:	Hydrangeaceae
Genus:	Philadelphus
Species:	P. satsumi
Binomial name
Philadelphus satsumi Siebold ex Lindl. & Paxton[1]
Synonyms
Philadelphus coronarius L. var. satsumi (Siebold ex Lindl. et Paxton) Maxim.[2]

Philadelphus satsumi (バイカウツギ, baika-utsugi) is a species of flowering plant in the family Hydrangeaceae that is endemic to Japan.^[1][3]

Philadelphus satsumi is a deciduous shrub with white flowers, each having four petals.^[1][3]

Philadelphus satsumi is endemic to Japan, where it occurs on Honshū (south from Iwate Prefecture), Shikoku, and Kyūshū (north of Kagoshima Prefecture).^[3]

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