Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 8-11) (4 photos)
John and Jacq's Garden - Informational page provided by home gardeners in Malaysia with details on culture and propagation. (zone 8-11) (13 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 10-12) (2 photos). Also a page for 'Variegata'.