1530
Linnaeus ' six species of " Azalea " were " Azalea indica " , " A. pontica " , " A. lutea " , " A. viscosa " , " A. lapponica " and " A. procumbens " ( now " Kalmia procumbens " ) , which he distinguished from " Rhododendron " by having five stamens , as opposed to ten .
 person: Linnaeus
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:
 person: Linnaeus