I know that this is not a popular species, but I think that it's great. It's very fragrant and easy to grow in the home. It seems to like warm indoor temperatures.
Do you find it provides any cultural challenges? The article compares it to C. dowiana in culture.
As a matter of fact, I bought this plant from Chadwick about 4-5 years ago. I have dowiana too, but it does not bloom for me under the same conditions.
That is a really nicely shaped lawrenceana!! This species is well known for having a "droopy" and somewhat closed shape but yours is very open. Looks great!