these tentacle can take root like any other normal Euphorbia. But they will spent their entire life stay as single tentacle and not grow into medusa-like plant. I heard that if you cut these rooted tentacle from base the new spurt from stump has chance become medusa-like . Never tried personally tho...

The first one look like Echinocereus to me. You can check it's ovary. Echinocereus has spiny ovary and Lobivia has hairy wooly ovary. Echinocereus has plenty of dioecious speciese. It's not too strange to see a Echinocereus has only male or female part. Mostly Echinocereus coccineus related species....

BioChar is charcoal which is Medium-Rare. Not comply carbonized. BioChar has reputation of being variable and non-consistent. They can be made from wood-chip to chicken-litter. They can be made by burning or heating or other crazy chemical witchcraft. Different temperature during making and how long...

the flower wither a day after.Unusually fast. Stamen and pistil are all cluster together inside small flower. I never think about it's fertility before. Now i think about it, it's small and tub flower do resemble other self-fertile cactus: Rhipsalis Melocactus. Any way i found it's ovary begin to sw...

full bloom

thank you it's very helpful.

22 month has past. these little guy prove to be particular problematic . Only 5 remain on own root. The grafted one are not doing well either. Pereskiopsis provide a huge early push,but once it shade all leaf .Pereskiopsis lost most of the juicy and momentum. These graft on Pereskiopsis grow rapidly...

about 10 years ago i translate an BCSS Article about Yavia cryptocarpa in to chinese. But now i look back, the original link become Invalid. I only have translated version of the article and lost the info about original author. I want to credit the original author properly. Can anyone help me get ba...

most plant virus can't transmit via seed.
theoretically the seedling should be healthy.

RSM is not an insect. Neonicotinoid did not affect them. In fact some study show Neonicotinoid even boost RSM growth. ref: Neonicotinoid Insecticide Imidacloprid Causes Outbreaks of Spider Mites on Elm Trees in Urban Landscapes Adrianna Szczepaniec , Scott F. Creary, Kate L. Laskowski, Jan P. Nyrop,...