Brasilicereus markgrafii is a species of cactus which is endemic to Brazil.
Brasilicereus markgrafii has unbranched, grayish-green shoots that are up to 2.5 cm in diameter and can grow up to 1.5 meters tall. It typically has 13 ribs with gray wool-covered areoles. The cactus has one central spine, occasionally up to four, reaching up to 4 cm long, and 12 to 18 irregularly protruding marginal spines, each 6 to 10 mm long. The flowers are bell- to funnel-shaped, light green-whitish, up to 6 cm long, and 5 cm in diameter.[1]
This species is found in Minas Gerais, Brazil. It occurs in the campos rupestres (rocky fields) montane savanna.
It was first described in 1949 by Curt Backeberg and Otto Voll. The specific epithet, markgrafii, honors German botanist Friedrich Markgraf.[2]