Hi,
When I wanted to create flowers for the library I found a problem. Many plants have hair on the stem. I could not put real hair, so I tried various ways to get the look from afar. With Vray, got what he wanted, using VrayfastSSS2, combining with falloff, but in "Mental" I did not find the same solution, so I used "carpaint" which although not a very academic solution, it gets the wanted look without too many complications.
Regards.