This could be Lilium sulphureum.
Some other unidentified trumpet lilies from China have also bulbilles of this colour, Kiew is said to have a L. leucanthum var. leucanthum with such features. I still doubt this identification. Lilium sargentiae has green ones.
Chen Yi used to send some different ones.
It could alo be a hybrid with one of these trumpets.
I still keep one of these but it is now quite small because of neglect. The motherplant is very hardy but the bulbilles all died outside.
6b
It was 1,20 and had two years in a row a single flower.
It was of course something else I ordered.