Those with long - tubed flowers comprise the genera Melocactus, Mammillaria, Echinocactus, Cereus, Pilocereus, Echinopsis, Phyllocactus, Epiphyllum, &c.; while those with short-tubed flowers are Rhipsalis, Opuntia, Peireskia, and one or two of minor importance.
They are often called Epiphyllum, which name is, however, properly restricted to the group next to be mentioned.
Clianthus Clivia Cobaea* Coleus Coprosma Cordyline Correa Cuphea Cyclamen Cyperus Cytisus Darwinia (Genetyllis) Diosma Dracaena Eccremocarpus* Epacris Epiphyllum Erica Eriostemon Erythrina Eucalyptus Eupatorium Eurya Ficus Fuchsia Grevillea Haemanthusf Heliotropium Hibiscus Hoya* Hydrangea Impatiens Jasminum * Justicia Kalosanthes Lachenaliaf Lantana Lapageria * Liliumt Lophospermum* Mandevillea* Manettia* Mutisia* Myrsiphyllum* Maurandya * Nerinef Nerium Pelargonium Petunia Pimelia Plumbago* Polianthesf Primula Rhododendron Richardia (Calla) f Salvia Sarracenia Solanum Sparmannia Statice Strelitzia Streptocarpus Swainsonia Tacsonia* Tecoma Tradescantia Vallotaf Spring Bedding.