1904
However , flowering plants have also been observed to move or grow their sex organs toward a pollinator that lands on the flower , as in " Portulaca grandiflora " .
 plant: Portulaca grandiflora
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 plant: Portulaca grandiflora