leopard lily vs panther lily

leopard lily and panther lily both are nouns.

Word	Noun	Adjective	Verb	Adverb
leopard lily	Yes	No	No	No
panther lily	Yes	No	No	No

As nouns, leopard lily and panther lily are synonyms defined as:

leopard lily and panther lily: lily of western United States having orange-red to crimson maroon-spotted flowers

Other synonyms of leopard lily include Lilium pardalinum.

leopard lily (noun)	panther lily (noun)
garden plant whose capsule discloses when ripe a mass of seeds resembling a blackberry	lily of western United States having orange-red to crimson maroon-spotted flowers
lily of southeastern United States having cup-shaped flowers with deep yellow to scarlet recurved petals
lily of western United States having orange-red to crimson maroon-spotted flowers