|| Paphiopedilum gratrixianum
|| gratrixianus = S. GRATRIX, english orchid enthusiast, second half 19th century.
|| south-east Laos, nothern Vietnam
|| terrestrial, lithophytic, in primary wet, broadleafed, evergreen highland cloud forests at 900 to 1220 meters, in leaf litter caught in silicate soil pockets or on rhyolite or on granite cliff walls
|| from seed
|| very vigorous species, needs colder temperature and rest to produce flowers