Martianthus is a genus of flowering plants belonging to the family Lamiaceae.

It is native to Peru and north-eastern Brazil.

The genus name of Martianthus is in honour of Carl Friedrich Philipp von Martius (1794–1868), a German botanist and explorer. It was first described and published in Phytotaxa Vol.58 on page 27 in 2012.

Known species

According to Kew:

  • Martianthus elongatus (Benth.) Harley & J.F.B.Pastore
  • Martianthus leucocephalus (Mart. ex Benth.) J.F.B.Pastore
  • Martianthus sancti-gabrielii (Harley) Harley & J.F.B.Pastore
  • Martianthus stachydifolius (Epling) Harley & J.F.B.Pastore