Trichocereus angelesii / Echinopsis angelesii or angelesiae
Trichocereus angelesii, also known as Echinopsis angelesii or Echinopsis angelesiae, was originally described by Friedrich Ritter as a white flowering variety of Trichocereus strigosus / Trichocereus strigonus, until Kiesling publicized it under the name Trichocereus angelesii. Check out two photos of Trichocereus strigonus in comparison The flower of …