Flowering plant magnoliid (2%) clades. The remaining 5 clades contain a little over 250 species in total; i.e. less than 0.1% of flowering plant diversity, divided among 9 families. The 43 most-diverse of 443 families of flowering plants by species, in their APG circumscriptions, are Of these, the Orchidaceae, Poaceae, Cyperaceae, Araceae, Bromeliaceae, Arecaceae, and Iridaceae are monocot families; Piperaceae, Lauraceae, and Annonaceae are magnoliid dicots; the rest of the families are eudicots. Double fertilization refers to a process in which two sperm cells fertilize cells in the ovule. This process begins when a pollen grain adheres to the stigma of the
Exotic pet Exotic pet An exotic pet is a rare or unusual animal pet: an animal kept within human households which is generally thought of as a wild species rather than as a pet. The definition is an evolving one; some rodents, reptiles, and amphibians have become firmly enough established in the world of animal fancy to sometimes no longer be considered exotic. Sometimes any unique or wild-looking pet (including common domestic animals such as the ferret and the fancy rat) is considered an exotic pet. "Exotic" generally refers to a species which is not native or indigenous to the owner's locale,