Note: In 1919 the hybrid was called W.S.5, but in 1920 it became W.M.5. Also, the hybrid was said to have "deep red filaments".

American Rose Annual, 1920
Plate VI. New Hybrid Rose, "W. M. No. 5" (unnamed Wichuraiana-Setigera Hybrid x R. Moyesii). Originated by Dr. W. Van Fleet.

However, on page 26 Van Fleet wrote, "Rosa Wichuraiana x R. Moyesii was described in the 1919 Rose Annual under the tentative designation of 'W.M.5.' Another season of bloom confirms our estimate of the value of this novelty. There is little indication of R. Moyesii in the plant except in the black-crimson blooms with deep red filaments, borne in the greatest profusion in spring and again to a considerable extent in autumn, followed by large and particularly glossy red fruits. It is very healthy and hardy, and should make an exceptionally attractive pillar rose."


American Rose Annual (1919) vol. 4, page 32
Dr. W. Van Fleet
Owing to its poor seeding abilities when grown as grafted plants on heavy soil, less progress has been made than was hoped for with R. Moyesii, notable among wild roses for the deep red coloring and waxy texture of its widely expanded blooms. Now that our plants have been transferred to the sandy loam of Bell Experiment Plot, and have become established on their own roots, seeds are more freely borne, and a fair number of hybrids are under way. Pollen was plentifully produced, even when the fruits failed to mature, and a few early crosses, the result of applying it to the stigmas of other species and varieties, have sufficiently developed to show prospective value.

The most striking is W. S. No. 5, with an unnamed Wichuraiana-Setigera hybrid as seed parent. This, at four years from germination, forms a fine plant with arching shoots six to eight feet high, covered in June with blackish crimson single blooms nearly three inches across. Even the filaments of the stamens are colored, as in R. Moyesii, but the petals have a white base, making a striking contrast with the deep coloring of the other portions of the flower. The plant appears exceptionally healthy and hardy, and will be propagated for dissemination and trial.