In 2002 we offered, as Espostoa sp., a dwarf, offsetting form of this species from El Chagual that was originally described as Thrixanthocereus cullmannianus F. Ritter. Here we offer the more typical form that tends to be single-stemmed and to 2 m high, bearing dark central spines amidst the bristly, glassy-white radials. The species is native to several provinces of northern Peru. HBG 104731, $6.
Published in the Cactus and Succulent Journal, Vol. 83 (2), March - April, 2011