I believe that P. sieboldii is correct. Thank you very much.

Haha, thank you. The bloom is slightly different from other Alliums and there is only a single stalk (sans leaves), but I checked on your suggestion and they look identical. Thank you. It does smell of Allium, good advice. Ha. Especially for photo number one as it is slightly different from number two. Thank you floral_uk and Thedocguy for the information.

Here's one list I found on the net. What sort of plant was it? Woody, perennial, annual, vine ? Here is a link that might be useful: plant family

Great plant! I wish that was near me so I could grab a cutting, LOL. Before reading any of the text I thought it sure looked like Harrisia bonplandii, so I'd agree with AZtreelover on that as a good candidate. It's definitely not the typical queen of the night P. greggii which I've grown for several years in the past at my last garden. Greggii has very thin, brittle stems that are very blue gray and the aereoles don't have such a nice white tuft. Let us know if you decide on a definite ID. It's a very neat plant and your pics are great as always! Keep us posted! Take care and thanks for highlighting this fun plant, Grant