Not an accepted name (status: unknown). The accepted name is Calamus perakensis subsp. niger (J.Dransf.) A.J.Hend., 2020.

Calamus perakensis var. niger J.Dransf., 1978 0% complete

No common name

Malaysian Forester 41: 335 (1978)

There is no corrections for Calamus perakensis var. niger yet.