How do the traps work?
Each pitcher produces nectar and a faint scent along its rim to attract insects, which then lose their footing on the smooth inner surface and fall into a pool of digestive fluid at the base.
The lid above the pitcher acts as a rain shield that also helps guide insects downward. Once inside, tiny downward-pointing hairs prevent escape, and the plant slowly absorbs the nutrients released by digestion.
How many species are there?
The Sarracenia genus contains more than 10 recognised species, all native exclusively to North America. Each species has developed distinct pitcher shapes, sizes, and coloration suited to its local habitat, from the tall, upright tubes of Sarracenia flava to the more compact, ground-hugging rosettes of Sarracenia purpurea.
Many natural hybrids also exist where species ranges overlap, making Sarracenia one of the more diverse carnivorous genera despite being geographically confined to a single continent.
Are Sarracenia endangered?
Several Sarracenia species are considered endangered. The draining of their native bog ecosystems has reduced wild populations over the past century, and some species now exist only in small, fragmented areas.
Fortunately, Sarracenia are widely cultivated and easy to propagate, meaning the plants available to collectors rarely come from wild sources.