Appeared in:

 Britton & Rose's The Cactaceae

  Vol. 4 p. 131:

"2. Trichocereus thelegonoides (Spegazzini).

Description:
   More or less branched above;
   trunk 4 to 6 meters high, cylindric, 18 cm. in diameter;
   branches more or less curved, ascending, 5 to 8 cm. in diameter, obtuse at apex;
   ribs 15, low, obtuse, at first strongly tubercled by a strong depression between the areoles, but gradually disappearing in age;
   areoles small, circular, felted;
   spines 8 to 10, yellow or brownish, setaceous, short, 4 to 8 mm. long;
   flowers 20 to 24 cm. long, greenish without;
   inner perianth-segments ob-lanceolate, acute, white;
   scales on the ovary and flower-tube hairy in their axils.

Type locality: Jujuy, Argentina.

Distribution: Northern Argentina.

Living specimens were brought from Argentina by Dr. Rose in 1915."