Cultivated Plants: Their Propagation and Improvement (1877) p. 99
By P. W. Burbidge

Mr Henderson, a distinguished American horticulturist, remarks that in a bed of about one hundred cuttings of the new Tea Rose, "La Nankin," all made from one parent plant, he found four distinct varieties, some with clear nankeen flowers, others pure white, others light pink or blush, and the remainder in the normal state, white above and nankeen below.