Philadelphus delavayi
PlantsFamily: Hydrangeaceae · Genus: Philadelphus

M.S. del., J.N.Fitch lith. · public_domain
About
Philadelphus delavayi is a deciduous shrub in the genus Philadelphus, native to China, Tibet, and Upper Burma. It was discovered by Pierre Jean Marie Delavay in 1887. It has an upright growth habit, to a height of 3 metres, with arching branches and ovate, tapered, sometimes toothed, dark green leaves up to 10 cm or more long. It bears racemes of 5-9 cup shaped, single, very fragrant creamy-white flowers, 2.5 cm across.
Summary from Wikipedia
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Growing details and traits for Philadelphus delavayi in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.