the stems are not the puffy ones found in subbiflora.
subbiflora heigh is usually 15-40 max
I think it could be germanica (plant 45cm?) , found in the nearby of a village?
In Portugal during the 60's many hybrids were made crossing subbiflora and germanica.
Cutting rhizome of germanica doesn't produce a kind of milk, subblifora produce a very scented "milk".