Book  (1872)  Page(s) 136.  
 
C. PULCHERRIMA (Cripps) .- One of the many forms allied to C. lanuginosa. The habit of growth and the character of the foliage resemble those of that species, but the flowers are very large, white, with a pale lavender bar on each sepal, in the way of those of C. Marie Lefebvre.