Simplify the following text for a Grade 9 native English-speaking person.
Original: The only known recorded host plant ( the plant that the caterpillar feeds on ) for the White-dotted Cattleheart is Watson 's Pipevine ( Aristolochia watsoni ) .
Simplified: The only known recorded host plant for the White-dotted Cattleheart is Watson 's Pipevine ( Aristolochia watsonii ) .