Lotus identifies various plant taxa:
- Nelumbo, a genus of aquatic plants with showy flowers known as lotuses, having two extant species:
- Nelumbo nucifera, the Sacred or Indian lotus
- Nelumbo lutea, the American or yellow lotus
- Certain species of Nymphaea, a genus of aquatic plants known as water lilies, are also known as Egyptian lotus or Egyptian water lily:
- Nymphaea caerulea, also known as blue lotus
- Nymphaea lotus, white lotus or sacred lotus
- Nymphaea nouchali, also known as blue or star lotus (sometimes thought to be the same species as Nymphaea caerulea above)
- Lotus, a terrestrial genus of legumes with small flowers, including bird's-foot trefoils and deervetches
- Certain species of Saussurea, a genus of herbaceous plant, are known as snow lotus, particularly those from the Himalayan vicinity
- Ziziphus lotus, a shrub species with edible fruit
- Diospyros lotus, a tree with edible fruit known as the date-plum or Caucasian persimmon
