Haworthia retusa var. nigra, formerly known as Haworthia mutica var. nigra, is a small succulent that forms rosettes of fleshy, light…
Browsing: nigra
Epithet: nigra
Meaning: Shining black
Derivation: Feminine form of the Latin adjective "niger."
Pronunciation: NY-gruh
Whereas the generic name must be unique, there are often two or more genera with the same specific epithet. The same epithet can also be used within a species for subspecies, varieties, and forms.
Here is a full list of succulents with this epithet. Click on the photo or the name of the plant for which you wish to see further information.