Notched and jagged

• Irregularly incised
• Irregularly toothed
• Leaflike, in a way
• Irregular, as leaf edges
• Irregular, as if gnawed away
• Having notched edges
• Notched like a maple leaf
• Uneven, as leaf edges
• Jagged (as a leaf)

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Erose \E*rose"\, a. [L. erosus, p. p. See Erode .] Irregular or uneven as if eaten or worn away. (Bot.) Jagged or irregularly toothed, as if nibbled out or gnawed. -- E*rose"ly , adv.