Nandina domestic plant named ‘Jaytee’

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Plant Patent

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Plant Patent

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PP014668

ABSTRACT:

Latin name of the genus and species:
Nandina domestica.
Variety denomination: ‘Jaytee’.
CROSS REFERENCE TO RELATED APPLICATIONS
Nandina domestica
Thunb. called ‘Lowboy’, U.S. Plant Pat. No. 5,560.
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT
None.
BACKGROUND OF THE INVENTION
1. Field of Invention
The present Invention relates to a new and distinct cultivar of Nandina plant, botanically known as
Nandina domestica
and hereinafter referred to by the cultivar name ‘Jaytee’. This new Nandina is a product of a seedling selection program conducted by the inventor at Rushing Nursery, Inc., Semmes, Ala.
2. Description of Relevant Prior Art Including Information Disclosed Under 37 CFR 1.56.
The new Nandina originated as a chance seedling of
Nandina domestica
, originating from seed collected from a bed of Nandina containing one named and many unnamed varieties. The named variety is
Nandina domestica
‘Harbour Dwarf’ (unpatented). ‘Jaytee’ fruits more abundantly, has a denser more rhizomatous and vigorous habit, and exhibits a broader color spectrum of leaf color and heavier textured leaves than ‘Harbour Dwarf’. ‘Jaytee’ is lower growing, more rhizomatous, and exhibits leaves of heavier texture with a broader color spectrum than ‘Lowboy’. Stem cutting propagation of ‘Jaytee’ has been performed by the inventor at Rushing Nursery, Inc., Semmes, Ala. Tissue culture propagation has been accomplished at Magnolia Gardens Nursery, Waller, Tex. Both methods have shown that the unique features of this new Nandina are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The ‘Jaytee’ cultivar has been observed and extensively tested in different growing situations for five years. Its recognizable characteristics, which distinguish it from other known Nandina cultivars are:
1. Compact, dense form, spreading by rhizomes, with a mature height of 18-22″.
2. Aggressive, vigorous growth.
3. Has proven adaptable to harsh environmental conditions.
4. Abundant flowers and fruit at an age of 1½ years.
5. Exhibits unique leaf coloration.
 New growth is dark, reddish brown.
 Intermediate growth is light green with reddish hues.
 Mature winter foliage is purple with pinkish hues and dark green with yellow tint.
 Leaves are large and appear thick and heavily textured.
6. Is sun and shade tolerant maintaining its proportions equally well in both conditions.
7. Versatile uses are: groundcover, mass plantings, and individual specimens.
8. Has shown no susceptibility to mosaic virus.
9. Has survived −6 degrees in Zone 6. Winter hardiness testing is being continued.
10. Has proved to be adaptable to extreme landscape conditions, where ‘Harbour Dwarf’ would have difficulty in becoming established.
TABLE 1
Comparison: ‘Jaytee’ and ‘Harbour Dwarf’
Harbour Dwarf
Applicant (‘JayTee’)
(unpatented)
Height
18-22″
27-36″
(taller in heavy shade)
Width
30-36″
24″
Leaf Length
30-34 mm
28-30 mm
Leaf Width
18-20 mm
16-18 mm
Leaflet Length
5.5-7 mm
5-6 mm
Leaflet Width
2.5-3 mm
1.5-2 mm
Foliage
Opposite, bipinnate,
Opposite, bi-tripinnate,
compound evergreen
compound evergreen
New Foliage
Dark, reddish brown
Light green with pinkish
Color
(RHS 174A)
hues (RHS 143A)
Intermediate
Light green with reddish
Light yellowish-green
Foliage Color
hues (RHS 140A)
(RHS 144A)
Mature Foliage
Dark green (RHS 136A)
Dark green (RHS 139A)
Color
Winter Foliage
Purple with pinkish hues
Orange to bronzy red to
Color
(RHS N187A) and Dark
reddish purple (RHS 173)
greenish with yellow tint
(RHS 147A)
Foliage Texture
leathery in appearance
somewhat leathery in
appearance
Rachis Color
Reddish-purple (RHS 71A)
Brownish-orange
(RHS 176B)
Flowers
Numerous perfect flowers
Occasionally flowers with
that are white in bud,
perfect flowers that are
with yellow anthers,
slightly pink in bud, turning
Flowers develop in
white with yellow antlers.
May-June.
Fruit
Abundant clusters of red
Few small red (RHS 42A)
(RHS 43A) berries.
berries, sparingly
Typically larger than those
produced. 6-7 mm
of ‘Harbour Dwarf.’
diameter
8-9 mm diamter.
Growth Habit
Dense, dwarf, compact
Dwarf form, stiff wide-
mounding form.
spreading crown, becoming
Aggressive, vigorous,
more graceful in
spreading by rhizomes.
appearance with age.
Maintains fullness with no
Tendency towards legginess
tendancy toward legginess.
in shade.
Disease
no mosaic virus
Susceptible to mosaic
susceptibility to date
virus
TABLE 2
Comparison - ‘Jaytee’ and other Nandina cultivars
Mature Size
Other Characteristics
Jaytee
18-22″ × 30-36″
as previously described
Heavenly
6-8′ H
perennating by rhizomes, prone to
Bamboo
legginess, generally fruits abundantly
Compacta
4-6′ H
perennating by rhizomes, fruiting
capability dependent on selection
Moonbay
3-3½′ H
not rhizomatous, flowering sparse to nil
Gulf Stream
3-3½′ H
not rhizomatous, flowering sparse to nil
Lowboy
Typically 2-3′
typical species leaf coloration,
H × 3.5′ W.
moderately rhizomatous, good fruit set
Will reach 5′ H ×
3.5′ W in shade


REFERENCES:
patent: PP5560 (1985-09-01), Rushing

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