peristomatic

• a word derived from peristome.
  peristome

  noun

  the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.

More Suggestions

• peristaltic
• semiautomatic
• aristocratic
• periotic
• periscopic
• peristome
• stomatic
• presymptomatic
• perissodactyl