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Isolatocereus
Isolatocereus: (Backeb.) From Mexico, flowers are nocturnal, more or less tubular-funnelform, numerous almost in a chain, floral tube lacks bristles, ovary is bristly, fruit sometimes with bristles.
 Isolatocereus dumortieri: (Scheidw.) Backbg.(T.) Central Mexico Hidalgo to Oaxaca. |
 Isolatocereus dumortieri X Myrtillocactus geometrizans: natural hybrid HBG72688 |
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Copyright Bob Ressler, no reproduction without permission of the author.