110521 PITCHERPLANT Sarracaenia purpurea (Sarraceniaceae) Height less than 40cm. Bizarre-looking insectivorous perennial of bogs. FLOWERS are 5cm across, purple and nodding; on long stalks (Jun-Jul). FRUITS are capsules. LEAVES are 10-15cm long, shaped like pitchers; insects are digested by enzyme-rich liquid contained within.