R. linearis K. Schumann in Martius, Fl. Bras. 4: 296 (1890)

Info from Backeberg's Lexicon
Reduced to synonymy under L. warmingianum by Barthlott and Taylor Bradleya 13

  • Body. shrubby, 60 - 80 cm long., branching from the sides;
  • Shoots very narrow, linear, 5 - 20 cm long., 4 - 7 mm broad, with a stout mid-rib, distinctly notched;
  • Areoles. weakly felty, without bristly spines;
  • Flowers . lateral, funnelform or rotate, to 1.8cm long, white to yellowish;
  • Ovary. ellipsoid, naked;
  • Fruit. spherical, translucent, white, 5 mm diam.
  • Habitat - Brazil (in the south, no locality stated); Paraguay (on the Rio Yhu and near Caaguazu); Argentina (Misiones).
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