The squirting cucumber (Ecballium elaterium).
Some plants of the genus Impatiens; specifically, the touch-me-not balsam or yellow balsam (Impatiens noli-tangere).
Any of various plants with fruits or seed capsules that, when ripe, burst open and discharge their seeds when touched, or with leaves that fold and droop when touched.
Someone (such as a disagreeable person) or something (such as a painful experience or taboo topic) to be avoided or not interfered with.
A warning to avoid or not to interfere.
A picture depicting Jesus appearing to Mary Magdalene shortly after his resurrection from the dead (see the etymology).
Armenian cucumber, in the flexuosus cultivar group of Cucumis melo subsp. melo.
Echinocystis lobata, a species of gourd found throughout most of North America
Marah, a genus of gourds native to western North America