
1) Abraded by elements 2) Appearing gnawed 3) Chewed up 4) Descriptive of some leaves 5) Detrited 6) Eaten away 7) Gnawed around the edges 8) Gnawed away 9) Gnawed in appearance 10) Gnawed leaf 11) Gnawed off 12) Having a gnawed shape 13) Having an irregular edge 14) Having an uneven margin 15) Having irregular edges 
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https://www.crosswordclues.com/clue/erose

1) Gnawed 2) Jaggy 
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https://www.crosswordclues.com/clue/erose

with the margin irregular as though nibbled or worn away.
Found on 
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

jagged, bitten or gnawed
Found on 
http://orchidfetish.com/glossary.html

• (a.) Jagged or irregularly toothed, as if nibbled out or gnawed. • (a.) Irregular or uneven as if eaten or worn away.
Found on 
http://thinkexist.com/dictionary/meaning/erose/

With an irregular cut or notched margin; as if it has been chewed.
Found on 
http://www.anbg.gov.au/cpbr/cd-keys/orchidkey/html/glossary.html

having an irregular margin as if it has been gnawed
Found on 
http://www.calflora.net/botanicalnames/botanicalterms.html

Of a margin: finely and irregularly eroded or toothed, irregularly incised. ... (09 Oct 1997) ... 
Found on 
http://www.encyclo.co.uk/local/20973

having an irregular margin as if it has been gnawed
Found on 
http://www.encyclo.co.uk/local/21767

With a thin, uneven or jagged margin.
Found on 
http://www.encyclo.co.uk/local/22034
E·rose'  adjective [ Latin 
 erosus , past participle See 
 Erode .] 
 1.  Irregular or uneven as if eaten or worn away.  
 2.  (Botany) Jagged or irregularly toothed, as if nibbled out or gnawed. -- 
 E*rose'ly , 
 adverb  Found on 
http://www.encyclo.co.uk/webster/E/63

Type: Term Pronunciation: ē-rōs′ Definitions: 1. Denoting an edge or margin that is irregularly notched or indented, as if gnawed away; used especially in reference to bacterial colonies.
Found on 
http://www.medilexicon.com/medicaldictionary.php?t=30174

jagged, bitten or gnawed
Found on 
http://www.orchidspecies.com/glossary.htm

[
adj] - having an irregularly notched or toothed margin as though gnawed
Found on 
http://www.webdictionary.co.uk/definition.php?query=erose
jagged adjective having an irregularly notched or toothed margin as though gnawed
Found on 
https://www.encyclo.co.uk/local/20974

jagged, as if gnawed; having a ragged edge
Found on 
https://www.encyclo.co.uk/local/22591

uneven, as if gnawed away. · having the margin irregularly incised as if gnawed, as a leaf.
Found on 
https://www.infoplease.com/dictionary/erose
  No exact match found.