Didymous
Didymous is a term with several meanings, primarily related to twins or duality. In botany, didymous refers to a structure that is divided into two lobes or parts, such as the two-lobed anthers found in some plants. This characteristic is often a key feature used in plant identification.
The term also appears in classical literature, notably referring to the Greek philosopher and writer Didymus
More broadly, "didymous" can be used as an adjective to describe anything characterized by a pair or