Ten Philadelphus species compared through exact Wikimedia Commons photographs of flower heads and foliage. An editorial selection, not a scientific ranking. Original video contributions: CC BY-SA 4.0. Individual photographs retain the licences and credits listed in attribution; public-domain and CC0 photographs remain so. Photograph credits: 1. File:Philadelphus coronarius.jpg; No machine-readable author provided. Rainer Bielefeld assumed (based on copyright claims).; Public domain; ; https://commons.wikimedia.org/wiki/File%3APhiladelphus_coronarius.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Philadelphus lewisii 5.jpg; Thayne Tuason; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_lewisii_5.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Philadelphus microphyllus 1.jpg; Stan Shebs; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_microphyllus_1.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:Philadelphus inodorus grandiflorus (9243911908) 4x3.jpg; Frédéric BISSON (zigazou76); CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_inodorus_grandiflorus_%289243911908%29_4x3.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Philadelphus pubescens (3).jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_pubescens_%283%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Philadelphus mexicanus Rose Syringa - Flickr - peganum.jpg; peganum from Small Dole, England; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_mexicanus_Rose_Syringa_-_Flickr_-_peganum.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Philadelphus tenuifolius.JPG; Alexey Yakovlev; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3APhiladelphus_tenuifolius.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:東北山梅花 Philadelphus schrenkii -瀋陽植物園 Shenyang Botanical Garden, China- (9227115299).jpg; 阿橋 HQ; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File%3A%E6%9D%B1%E5%8C%97%E5%B1%B1%E6%A2%85%E8%8A%B1_Philadelphus_schrenkii_-%E7%80%8B%E9%99%BD%E6%A4%8D%E7%89%A9%E5%9C%92_Shenyang_Botanical_Garden%2C_China-_%289227115299%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Philadelphus delavayi - UBC Botanical Garden - Vancouver, Canada - DSC07776.jpg; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File%3APhiladelphus_delavayi_-_UBC_Botanical_Garden_-_Vancouver%2C_Canada_-_DSC07776.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:太平花(北京山梅花) Philadelphus pekinensis -北京景山公園 Jingshan Park, Beijing- (9229856586).jpg; 阿橋 HQ; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File%3A%E5%A4%AA%E5%B9%B3%E8%8A%B1%28%E5%8C%97%E4%BA%AC%E5%B1%B1%E6%A2%85%E8%8A%B1%29_Philadelphus_pekinensis_-%E5%8C%97%E4%BA%AC%E6%99%AF%E5%B1%B1%E5%85%AC%E5%9C%92_Jingshan_Park%2C_Beijing-_%289229856586%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.