Figure 1.
Sagittal section of Sarracenia purpurea illustrating the 5 Hooker zones.
Zone 1, attraction; zone 2, conduction; zone 3, glandular; zone 4, digestion/absorption; zone 5, no known function although it has some similarity to zone 3. (Photograph © Barry Rice, Sarracenia.com).
Figure 2.
Gross and histological appearance of a fungal isolate of Sarracenia oreophila.
A, Appearance of Colletotrichum gloeosporioides #3 isolated from S. oreophila on potato dextrose agar and B, in a hand-cut thick tissue section (400× magnification) stained in 1% acid fuchsin. Note the fungal hyphae growing between cells denoted by the arrow.
Table 1.
Fungal endophyte isolates from Sarracenia identified based on sequence data from the internal transcribed spacer regions of nuclear ribosomal DNA (ITS rDNA).
Figure 3.
Representational phylogeny showing the taxonomic distribution of fungal endophytes isolated from Sarracenia.
Fungi isolated in this study are denoted by an asterisk [*] following the taxa name.