Here’s Vanillaccurate’s version of the warped stem block. It’s somewhat similar to the warped planks in many regards, and has some emissive stuff on the bark, much like the crimson stem has.
Looks pretty dope in the “new” nether, provided you use a compatible shader.
Loop 
BSL 
Complementary 
Spectrum 
Kappa 
Complementary 
Complementary 
Complementary
HardTop Vanillaccurate 