leontodon autumnalis
- n fall-blooming European herb with a yellow flower; naturalized in the United States
leontopodium alpinum
- n alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts
leonurus cardiaca
- n bitter Old World herb of hedgerows and woodland margins having toothed leaves and white or pale pink flowers
leopard
- n the pelt of a leopard
- n large feline of African and Asian forests usually having a tawny coat with black spots
leopard's-bane
- n any of several herbs of the genus Doronicum having alternate often clasping stem leaves cultivated for their long stalks of yellow flower heads
leopard frog
- n common North American green or brownish frog having white-edged dark oval spots
lepiota americana
- n an agaric with a pallid cap and a stalk that is enlarged near the base
leopard lily
- n lily of western United States having orange-red to crimson maroon-spotted flowers
- n lily of southeastern United States having cup-shaped flowers with deep yellow to scarlet recurved petals
- n garden plant whose capsule discloses when ripe a mass of seeds resembling a blackberry