J20160623-0028—Philadelphus lewisii 'Goose Creek' (double-flowered form)—RPBG

Philadephus lewisii 'Goose Creek' (double-flowered form). An unusual sport of the typically four-petaled species. The form holds true when propagated from cuttings. Compare with the four-petaled flowers in this Flckr photo: flic.kr/p/tNBocS . Photographed at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA

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