63864
" Pilea " is of little economic importance ; six species have horticultural value ( " P. cadierei " , " P. grandifolia " , " P. involucrata " , " P. microphylla " , " P. nummulariifolia " , and " P. peperomioides " ) , and one species is used in Chinese traditional medicine ( " P. plataniflora " ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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