Taxonomy Sarracenia
a flowering specimen of highly variable sarracenia purpurea the genus sarracenia belongs family sarraceniaceae, contain closely allied genera darlingtonia , heliamphora. under cronquist system, family put in order nepenthales along nepenthaceae , droseraceae. apg ii system, however, assigns sarraceniaceae order ericales , other 2 families order caryophyllales. typically anywhere 8 11 species of sarracenia recognized, depending on individual opinions on biological species concept , among many subspecies , varieties should elevated species status, common lumping , splitting problem in demarcation. authorities split described subspecific taxa of s. rubra 3 5 species. similarly, s. rosea not recognized species distinct s. purpurea. commonly recognized species include: sarracenia alabamensis case & r.b.case sarracenia alata (alph.wood) alph.wood : pale pitcher plant sarracenia flava l. : yellow pitcher plant sarracenia jonesii wherry sarracenia leucophylla raf....