- 天门冬 tiānméndōng asparagusasparagus (Asparagus cochinchinensis), used in traditional Chinese medicine
- 麦门冬 màiméndōng dwarf lilyturfdwarf lilyturf (Ophiopogon japonicus), whose tuber is used in TCM
- 天门冬科 tiānméndōngkē asparagaceaeAsparagaceae, family of flowering plants which includes asparagus