Colonial Morphology: Grows very slowly as
glabrous, lightly downy, heaped up, button like, waxy, white, may
be yellowish or greyish on surface and reverse. Better growth at
37°C.
Physiological Tests: Urease negative, hair perforation negative,
requires thiamine and often inositol; BCP-milk: no change in pH,
wide hydrolytic zone.
