Pfeiffera erecta Ritt.-"Taxon", XIII: 3, 116.1964.

Info from Backeberg’s Lexicon
Reduced to synonymy under L. ianthothele by Barthlott and Taylor Bradleya 13 - back to Pfeirrera

• Body. erect, to 30cm high., little branching;
• Shoots 6 - 12 mm diam ; ribs. 5 - 7, to 2.5 mm high ;
• Areoles. white, round, 3 - 5 mm apart;
• Spines. 12-16, thin, whitish, 4 - l0 mm long.
• Flower. 1.5 cm long., white;
• Petals. obtuse above, em­arginate;
• Tube. without a nectary;
• Ovary. with minute red scales and fine white bristles;
• Filament, style and Stigma. white
• Fruit. 1 cm long., dark green, with thin white bristles;
• Seed. l.5 mm long., glossy, black, smooth.
• Habitat - Bolivia (Dept. Santa Cruz, Prov. Valle Grande, W. of Valle Grande, on the slopes downto the Rio Mizque (FR 883).