Habitat

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Habitat characteristics

More info for the terms: bog, peat

Purple pitcher-plant characteristically occurs in bogs, savannas, and
flatwoods. The very wettest parts of bogs are favored, often
restricting the species to the edges of bogs [18]. Purple pitcher-plant forms
dense, floating mats on the water at the edges of bog ponds and lakes
and across acid streams [9,12,22]. Along the Gulf Coast Sarracenia
species are often associated with Sphagnum, sundew (Drosera sp.),
butterwort (Pinguicula sp.), pipewort (Eriocaulon sp.), bladderwort
(Utricularia sp.), grass-pink (Calopogon sp.), burmannia (Burmannia
sp.), and other genera characteristic of acid sites [18].

Purple pitcher-plant is adapted to poor soils that are deficient in trace
elements such as molybdenum. These elements may be obtained from the
captured insects and amphibians [19]. Soils are usually highly acidic
and unsuitable for many other plants. Purple pitcher-plant, however, does not
require acidic soils for growth, and it occasionally occurs in alkaline
marl bogs around the Great Lakes [22,23]. Both ombrotrophic and
minerotrophic peat sites are occupied [3].

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