16004
Despite having the general appearance of Brickellia , members of Brickelliastrum have cypselae that have only 5-7 ribs ( vs. 10 ) , funnelform corollas , and a style with an unenlarged , glabrous base .
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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:
 None