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Similar Philadelphus purpurascens, Philadelphus pekinensis, Philadelphus mexicanus, Philadelphus microphyllus, Philadelphus tenuifolius | ||
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.
References
Philadelphus delavayi Wikipedia(Text) CC BY-SA