Cephalocereus polylophus

Its pericarpel and floral tube are covered with fairly large tubercles and small scales that are glabrous in the axillae.

[2][5] The specific epithet polylophus is derived from the Greek words poly for 'many' and lophos for 'crest',[6] referring to the numerous ribs of the species.

[2] Cephalocereus polylophus is native to the Mexican states of Hidalgo, Querétaro, Guanajuato and San Luis Potosí.

[7] Neobuxbaumia polylopha was assessed as "vulnerable" in the 2009 IUCN Red List, where it is said to be native only to the Mexican states of Hidalgo, Querétaro and Guanajuato.

[1] As of April 2023[update], N. polylopha was regarded as a synonym of Cephalocereus polylophus, which Plants of the World Online gives a somewhat wider distribution.