Oak Park Conservatory groups ("Cereus", "Opuntia", and "Pereskia"), plus succulents including "Agave", "Crassula", succulent euphorbias, "Gasteria", "Haworthia", and "Kalanchoe". Woody plants in this room include olive, etrog, fig, date palm, bay and pomegranate. The conservatory's orchids and ferns collection holds orchids, Australian tree ferns and other tropic and sub-tropic fern species, as well as begonias, "Clivia", Ponderosa lemon, sea grape, "Strelitzia reginae", and "Syzygium". The rainforest collection includes "Anthurium", aroids, banana, cycads, dracaenas, ferns, fig trees, "Monstera deliciosa", palms (lady, fishtail, fan, and Canary Island date), papaya, "Peperomia", "Pilea", spider plants, as well as a pond with koi, goldfish, and turtles. In addition
Rollinia deliciosa Rollinia deliciosa Rollinia deliciosa is a species of flowering plant in the custard-apple family, Annonaceae, that is native to tropical South America. It is cultivated for its edible fruits, commonly known as biribá or wild sugar-apple, throughout the world's tropics and subtropics. The Brazilian name, "biribá" has become somewhat well known. Nonetheless, the fruits are occasionally known by other names, including "wild sugar apple" and "aratiku". Biribá is a fast-growing, flood-tolerant, sun-loving tropical tree, with leaves up to 35 cm long. It can reach a height of , which can bear fruit from seed within 3 years. The fruit is