what does Penstemon whippleanus mean?

PENSTEMON WHIPPLEANUS as NOUN

Meaning
- wine-lavender to black-purple flowers in several clusters on the upper half of leafy stems
- Montana south through the Rocky Mountains to Arizona and New Mexico
Synonym(s)
- Whipple’s penstemon (what does Whipple’s penstemon mean?)
Hypernyms(s) Penstemon whippleanus is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- wildflower (what does wildflower mean?)
- wild flower (what does wild flower mean?)