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Catopsis berteroniana
''Catopsis berteroniana'' is an epiphytic bromeliad thought to be a possible carnivorous plant, similar to ''Brocchinia reducta'', although the evidence is equivocal. Its native range is from southern Florida to southern Brazil.〔Fish, D. (1976). Structure and composition of the aquatic invertebrate community inhabiting epiphytic bromeliads in south florida and the discovery of an insectivorous bromeliad. (Doctoral dissertation).〕 It generally grows on the unshaded twigs of trees, and appears to trap more insects in its tank than other bromeliads of comparable size. There are several other species in the genus, none of which is believed to be carnivorous.
==Characteristics==
''Catopsis berteroniana'' is an epiphytic insectivorous plant with tube shaped leaves. These erect leaves overlap to form tube like structures.〔 These tubes form water-impounding axils characteristic of many tank bromeliads.〔Frank, J. H., & Lounibos, L. P. (2009). Insects and allies associated with bromeliads: A review. NIH Public Access Author Manuscript, 1(2), 125-153.〕 Rainwater falls and lands in the axils of the plant forming pools of water called phytotelmata, an aqueous medium filled with copious amounts of nutrients available for the plant to absorb.〔 This medium is slightly acidic, but very close to neutral; according to algae in bromeliads, the pH of the phytotelmata of ''Catopsis berteroniana'' is 6.8.〔Brouard, O., L Jeune, A., Leroy, C., Cereghino, R., Roux, O., & Pelozuelo, L. (2011). Are algae relevant to the detritus-based food web in tank-bromeliads. PLoS ONE, 6(5).〕 This species has sessile glands located on the plant epidermis that are used to absorb nutrients.〔Krol, E., Plachno, B., Adamec, L., Stolarz, M., Dziubinska, H., & Trebacz, K. (2011). Quite a few reasons for calling carnivores 'the most wonderful plants in the world'. Annals of Botany, (109), 47-64.〕 Other species of carnivorous plants, like ''Cephalotus'' ''follicularis'', use these glands to secrete enzymes to break down detritus and trap prey.〔 However, ''C. berteroniana'' lacks enzyme production, so this plant breaks down materials using other methods.〔Adlassnig, W., Peroutka, M., & Lendl, T. (2010). Traps of carnivorous pitcher plants as a habitat: Composition of the fluid, biodiversity and mutualistic activities. Annals of Botany, (107), 181-194.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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