Dogwood tree named ‘Rutnut’

Details Dogwood tree named ‘Rutnut’ Dogwood tree named ‘Rutnut’

2002-12-11

2004-10-12

Grunberg, Anne Marie (Department: 1661)

Plants

Broadleaf tree

Dogwood

Plant Patent

active

PP015219

ABSTRACT:

Latin name of genus and species:
Cornus florida
L. var.
rubra
West.
Cultivar name: ‘Rutnut’.
BACKGROUND OF THE INVENTION
This new cultivar is the product of a long standing detailed program of hybridization and selection of large-bracted dogwoods, in this instance from our native Eastern or
Cornus florida
seedlings which are carefully controlled, records carefully retained and characteristics analyzed for their differences and outstanding value as potential commercial varieties or cultivars.
As will be understood from the following, the program has resulted in many outstanding crosses which ultimately result in particularly attractive vegetative and floral parts, which appear on trees which are very floriferous and regular bearers.
We have selected the particular seedling hereof from certain progeny grown in a cultivated area and, as a result, have in turn caused the same to be asexually reproduced by stem cuttings in the vicinity of New Brunswick, N.J. The cultivar may also be so reproduced by budding and grafting. The claimed cultivar is stable and reproduced true to type in successive generation of asexual reproduction.
The reproduction and actual growth and selection of the new cultivar took place in the vicinity of New Brunswick, N.J. and has been found to be distinctive as to its winter-hardiness in that area, USDA Plant Hardiness Map Zone 6a.
As will be understood from the detailed description of the invention which appears hereinafter, the new cultivar is in fact outstanding and readily identified as being such, thus providing for a new variety which is identified botanically for the purposes hereof as
Cornus florida
L. Var.
rubra
West, and will be known commercially as ‘Rutnut’.
With the foregoing in mind, the description which follows will be understood as clearly defining the new cultivar, the desirable characteristics of which are the result of such a program as has been heretofore suggested.
SUMMARY OF THE INVENTION
A cultivar of dogwood tree that is characterized by a unique combination of red floral bracts and a dwarf rounded shape. This new variety is distinguished from its parents, both of which grew to heights of 5 to 7 meters and exhibited flower heads with white bracts, whereas plants of “Rutnut” at maturity are very dwarf in size (less than 1 meter). It is believed to be the only dwarf
Cornus florida
to produce flower heads exhibiting pink-red floral bracts.


REFERENCES:
patent: PP8214 (1993-04-01), Orton et al.

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