8631
It is mainly found in Cnicus ( " Cnicus benedictus " L. ( " Asteraceae " ) ) , and is present in spotted knapweed plants , where highest and lowest concentrations are found in the leaves ( 0.86 - 3.86 % cnicin ) and stems respectively .
 location: Cnicus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Cnicus