BBC Gardening - Plant profile with horticultural details and garden uses. (1 photo)
Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-9) (21 photos)
Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 4-9) (3 photos)
Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 4-8) (13 photos). Also pages for 'Royal Star' and 'Waterlily'.
Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (4 photos)