Sarracenia purpurea
Purple pitcher plant
Kmmeyer · CC BY-SA 3.0
About
Sarracenia purpurea, commonly known as the purple pitcher plant, is a widely distributed carnivorous plant in the family Sarraceniaceae. It is recognized for its pitchers, which are used to trap and digest prey for nutrients.
Field notes
Morphology
The plant produces pitchers that are characteristic of the species, and its morphology is generally consistent across its subspecies. While specific dimensions and colors are not detailed, the plant is known for its pitchers and is sometimes referred to by common names like 'turtle socks' or 'side-saddle flower'.
Distribution & habitat
This species is the most common and broadly distributed pitcher plant, inhabiting cold temperate climates across North America. Its range includes the Eastern seaboard, the Great Lakes region, all of Canada (excluding Nunavut and Yukon), Washington state, and Alaska. It is also found naturally in Europe, including the UK, France, and Germany, and is an introduced species in the northwestern US.
Ecology
Like other *Sarracenia* species, it obtains nutrients primarily through trapping prey, though this process is noted as inefficient. Prey, such as flies, ants, and spiders, fall into the pitchers and drown in collected rainwater. Digestion is facilitated by an invertebrate community, notably the mosquito *Wyeomyia smithii*, and bacteria, which mineralize the prey for the plant.
Cultivation notes
The plant is considered fairly hardy but requires a reliably damp soil and a sheltered position with full or partial sunlight. It has been cultivated as an ornamental plant and is noted for its resilience. Specific temperature or humidity ranges are not provided, but it thrives in bog-like conditions.
History & etymology
The species has been recognized for its symbolic value, serving as the floral emblem of Newfoundland and Labrador since 1954. Historically, it was used by Native American and First Nation tribes in its northeastern and Great Lakes ranges for medicinal purposes, including treating smallpox. It is also cultivated as an ornamental plant.
Conservation
The species is noted to be endangered or vulnerable over much of the southern part of its native range. Its widespread distribution makes it generally common, but habitat fragmentation, particularly in Europe, poses a threat to its survival.
Habitat
- Altitude
- 0–1,800 m
- Altitude Class
- intermediate
- Native To
- United States, Canada
Cultivation
- Difficulty
- easy
- Temperature
- Summer 20–30°C / Winter dormancy -5–10°C
- Humidity
- 50–80%
- Notes
- Most cold-hardy Sarracenia. Grows in sphagnum bogs across eastern North America. Requires winter dormancy.
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