Lotus identifies various plant taxa:
- Nelumbo, a genus of aquatic plants with showy flowers
- Certain species of Nymphaea (water lilies or Egyptian lotuses):
- Lotus (genus) (including bird's-foot trefoils and deervetches), a terrestrial genus with small flowers
- Saussurea (snow lotus), a herbaceous species from the Himalayan vicinity
- Ziziphus lotus, a shrub species with edible fruit
- Diospyros lotus (date-plum, Caucasian persimmon) a tree with edible fruit