■(TB) 'Purissima'

1927, Mohr-Mitchell

'Purissima' (William Mohr and Sydney B. Mitchell, Not registered*) TB, 48", Midseason bloom. Color Class-WW. Standards and falls pure white; good form; heavy substance. 'Argentina' x 'Conquistador'. Mohr-Mitchell, Salbach 1927.

No written record of registration year in either the 1939 or 1949 A.I.S. checklists.

See below:

• * References

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References:

From Carl Salbach catalog, 1927: PURISSIMA. It is going to be very hard to improve on this Argentina X Conquistador seed- ling for a pure white of great size, perfect form and heavy substance, this last a most important factor in white irises. These qualities, with its vigor and its tall branched stems, account for the rating of 96 given it by a jury of A.I.S members, all seedling raisers themselves, who judged it in the garden last season. This is the variety referred to by Mr. Jacob Sass in A.I.S. Bulletin 21, page 36, which he says he doesn’t expect to see surpassed. $25.00.
From J. C. Nicholls catalog, 1931: PURRISSIMA (Mitchell 1927) 46 inches. $4.00. Large wonderful white. Thrives and blooms here (Ithaca, NY) if given perfect drainage and if no covering be used for winter. Clear bottom of plants in spring to let in the sunrays.
The very old Purissima is for mild climates only, and that garden is fortunate that can grow it to perfection. The big bud is blue, the great blossom a crisp, sparkling white with slight venation of pale sea green. [Lila McCombs, “A Critical Evaluation of Older Irises”, The Bulletin of the American Iris Society, No. 110 (July 1948): 59.]

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-- BobPries - 2011-03-07