Cephalocereus tetetzo

Cephalocereus tetetzo grows in a columnar with mostly branching shoots and reaches heights of up to 15 meters. A trunk with a diameter of up to 70 cm (28 in) is formed. The gray-green shoots are 8 to 12 meters long and have a diameter of 18 to 30 cm (7.1 to 11.8 in). The 15 to 20 blunt ribs are slightly rounded with black spines. The areoles have a single central spine, up to 5 cm (2.0 in) long and 8 to 13 radial spines are 1 to 2 cm (0.39 to 0.79 in) long. The bell- to funnel-shaped whitish flowers 5 to 6 cm (2.0 to 2.4 in) long appear near the tips of the shoots. Its pericarpel and flower tube are covered with tubercles, scales, wool and bristles. The egg-shaped green fruits are up to 4 cm (1.6 in) long and have thorns.