USPP27545P3 - Maple tree named ‘JFS-KW187’ - Google Patents
Maple tree named ‘JFS-KW187’ Download PDFInfo
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- USPP27545P3 USPP27545P3 US14/545,226 US201514545226V USPP27545P3 US PP27545 P3 USPP27545 P3 US PP27545P3 US 201514545226 V US201514545226 V US 201514545226V US PP27545 P3 USPP27545 P3 US PP27545P3
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- 244000046151 Acer negundo Species 0.000 title claims abstract 3
- 235000004422 Acer negundo Nutrition 0.000 title claims abstract 3
- 241000219226 Acer truncatum Species 0.000 description 13
- 238000011156 evaluation Methods 0.000 description 6
- 230000000644 propagated effect Effects 0.000 description 5
- 241000894007 species Species 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 241000208146 Acer platanoides Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000034303 cell budding Effects 0.000 description 2
- 230000035613 defoliation Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 210000001672 ovary Anatomy 0.000 description 2
- 229940023569 palmate Drugs 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 241000221785 Erysiphales Species 0.000 description 1
- 241001479588 Packera glabella Species 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000010152 pollination Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
Definitions
- Acer truncatum In 1983, I initiated a program of selection and improvement in the species Acer truncatum . I obtained seed and seedlings from several sources that were planted out for evaluation. As part of this program, in March of 1988, I selected four particularly nice seedlings which I planted into a trial block in a nursery in Boring, Oreg. After several years of evaluation, I determined that one of these trees, which I designated Acer truncatum ‘D’ (unpatented) was the best in terms of foliage quality, form, and fall color. I allowed ‘D’ to develop seed from open pollination in the block with many other selected seedlings of Acer truncatum .
- This new cultivar possesses a unique combination of characteristics in that it combines compact growth, dense branching, a narrow upright growth habit, glossy foliage, and bright fall color.
- FIG. 1 Shows the original ‘JFS-KW187’ tree at 21 years of age in summer foliage illustrating its upright growth habit and color of foliage.
- FIG. 2 Shows the original ‘JFS-KW187’ tree at 21 years of age during the winter dormant season illustrating the density of its branching, its straightness, and the stiffly ascending orientation of its branches.
- FIG. 3 Shows 2 year old vegetatively propagated ‘JFS-KW187’ trees in a nursery row in summer foliage showing the upward growth habit and stiffly ascending branch orientation at this age.
- FIG. 4 Shows 3 year old vegetatively propagated ‘JFS-KW187’ trees in a nursery row in fall foliage showing the density of branching, the upward growth habit, and stiffly ascending branch orientation at this age.
- FIG. 5 Shows the upper surface of leaves from a ‘JFS-KW187’ tree in summer illustrating the color and shape.
- FIG. 6 Shows the lower surface of leaves from a ‘JFS-KW187’ tree in summer illustrating the color, the shape, and the prominent palmate veins.
- FIG. 7 Shows the upper surface of leaves from a ‘JFS-KW187’ tree in autumn illustrating the fall color.
- FIG. 8 Shows the dormant buds of a ‘JFS-KW187’ tree during winter.
- FIG. 9 Shows a corymb of male flowers of a ‘JFS-KW187’ tree in early spring illustrating that all flowers in male corymbs are male.
- FIG. 10 Shows a close up of a female flower of a ‘JFS-KW187’ tree in a female corymb in spring illustrating the pistil with its two part style and the ovary with two carpels.
- FIG. 11 Shows the samaras from a ‘JFS-KW187’ tree in autumn as they are ripening to maturity.
- JFS-KW187 variety is based on observations of the original ‘JFS-KW187’ tree and one, two, and three year old vegetatively propagated ‘JFS-KW187’ progeny.
- the observed ‘JFS-KW187’ progeny were trees which were growing in Boring, Oreg. Color descriptions found below use terminology in accordance with The Royal Horticultural Society (London) Colour Chart ⁇ 1986, except where ordinary dictionary significance of color is indicated.
- My new variety is easily distinguished from the most similar cultivars by its growth rate as evidenced by its height, internode length, number of branches, and leaf color.
- the following table shows these differences as measured on one year old trees of my new ‘JFS-KW187’ variety and three comparison varieties growing in Boring, Oreg. My new variety is shorter, more densely branched, and more compact as evidenced by its lesser height, greater number of branches, and shorter internode length.
- the upper leaf surface differs in color.
- My new tree differs from Acer truncatum in that it is more robust in growth and size, as evidenced by its larger leaves and longer internode length. Additionally, its leaf color differs. Differences are shown in Table 2, below.
Abstract
A variety of maple tree which combines compact growth, dense branching, a narrow upright growth habit, glossy foliage, and bright fall color.
Description
Latin name of the genus and species of the plant claimed: Acer truncatum.
Variety denomination: ‘JFS-KW187’.
In 1983, I initiated a program of selection and improvement in the species Acer truncatum. I obtained seed and seedlings from several sources that were planted out for evaluation. As part of this program, in March of 1988, I selected four particularly nice seedlings which I planted into a trial block in a nursery in Boring, Oreg. After several years of evaluation, I determined that one of these trees, which I designated Acer truncatum ‘D’ (unpatented) was the best in terms of foliage quality, form, and fall color. I allowed ‘D’ to develop seed from open pollination in the block with many other selected seedlings of Acer truncatum. In October of 1992, I collected this seed from Acer truncatum ‘D’ and grew them in a seedbed in Boring, Oreg. From this seed, I obtained 58 seedlings which I planted out into a nursery row in Boring, Oreg. in April of 1994. From these 58 seedlings, I selected the best eight to be saved and transplanted in 1997 for further evaluation. The remaining seedlings of this group of 58 seedlings were destroyed. Several years after picking the seed, the parent tree Acer truncatum ‘D’ was destroyed when the block was cleared due to crowding and my evaluations had determined that the selected seedling trees were superior to the seed parent ‘D’.
Of the eight selected seedlings that were transplanted in 1997, I selected the best single tree in August of 1998 which I designated as Acer truncatum ‘JFS-KW187’. My attention was first drawn to ‘JFS-KW187’ because of its very dense, compact, form and its strongly upright growth habit. I later discovered that this ‘JFS-KW187’ tree had superior fall color. In August 1998, I began asexual propagation trials by budding from the original ‘JFS-KW187’ tree onto Acer platanoides rootstock. From this vegetative propagation, I obtained six trees which I compared to the original ‘JFS-KW187’ tree. Subsequently, I vegetatively propagated additional small trial plots of six to twelve ‘JFS-KW187’ trees in 2004, 2007, 2008, and 2009. All of these trial trees were destroyed after evaluation except for one ‘JFS-KW187’ tree that was planted into a long term trial block in 2011 in Boring, Oreg., and eight other ‘JFS-KW187’ trees that were saved to become a future propagation source in a stock block in a nursery in Canby, Oreg. in 2013. My original tree of ‘JFS-KW187’ was moved to a long term trial block in Boring, Oreg. in February, 2002.
This asexual propagation in Boring, Oreg. by budding on Acer platanoides rootstock has shown that the characteristics of my new tree are firmly fixed in successive generations. Testing, evaluation, and comparison of Acer truncatum ‘JFS-KW187’ trees has convinced me that my new tree has superior form and appearance for landscape use.
This new cultivar possesses a unique combination of characteristics in that it combines compact growth, dense branching, a narrow upright growth habit, glossy foliage, and bright fall color.
The colors of an illustration of this type may vary with lighting conditions and, therefore, color characteristics of this new variety should be determined with reference to the observations described herein, rather than from these illustrations alone.
The following detailed description of the ‘JFS-KW187’ variety is based on observations of the original ‘JFS-KW187’ tree and one, two, and three year old vegetatively propagated ‘JFS-KW187’ progeny. The observed ‘JFS-KW187’ progeny were trees which were growing in Boring, Oreg. Color descriptions found below use terminology in accordance with The Royal Horticultural Society (London) Colour Chart© 1986, except where ordinary dictionary significance of color is indicated.
- Scientific name: Acer truncatum ‘JFS-KW187’.
- Parentage:
-
- Seed parent.—A selected seedling of Acer truncatum that I designated as Acer truncatum ‘D’, not patented, never commercially introduced, and since destroyed.
- Pollen parent.—Unknown.
-
- Tree:
-
- Overall shape.—Pyramidal.
- Height.—9.7 meters at 21 years of age.
- Width.—5.5 meters at 21 years of age.
- Caliper.—25.5 cm at 10 cm height above ground and 21.8 cm at 1 meter above ground at 21 years of age.
- Trunk.—Stout, straight.
- Trunk bark texture.—Slightly rough, vertically fissured.
- Trunk bark color.—Immature bark color: Grey-brown 199A to Greyed-brown 197A. Mature bark color: Greyed-green 197A to Greyed-green 197C on ridges of bark and Grey-brown 199C to Grey-brown 199D in fissures.
- Lenticels.—Not visible on mature trunk.
- Primary branches.—Stiffly ascending at 35° to 45° from vertical.
- Branch color.—Greyed-green 197B to Greyed-green 198A.
- Branch lenticels.—Round, 1 mm in diameter on younger branches then disappearing into the bark by the fifth year. Orange-white 159B to Greyed-yellow 161D.
- Dormant buds.—Ovoid, slightly adpressed against the twig, 2 mm to 5 mm long by 2 mm to 3 mm wide by 1 mm to 2 mm thick, with overlapping scales. Greyed-orange 177A to Greyed-purple 183A.
- Bud break.—Bud break averages March 20 in Boring, Oreg.
- Internodes.—Average length 7.1 cm when measured at the mid-point of a 1 year old tree.
- Hardiness.—Has tolerated field temperatures to 5 degrees F. without damage in Boring, Oreg. This is the minimum temperature this location experienced during the life of the tree. It is believed to have Zone 5 cold hardiness similar to other plants of this species.
- Disease resistance.—It has shown moderately good resistance to powdery mildew.
-
- Leaves: Except as otherwise noted, observations are from twenty vigorous growth leaves.
-
- Arrangement.—Opposite.
- Type.—Simple.
- Texture.—Smooth.
- Sheen.—Very glossy.
- Length.—10 cm to 14 cm, averaging 11.4 cm on leaves from 2 year old nursery trees.
- Width.—12 cm to 21 cm, averaging 14.6 cm on leaves from 2 year old nursery trees.
- Petioles.—6 cm to 9 cm long, averaging 7.3 cm on leaves from 2 year old nursery trees. Diameter 1.5 mm to 2.0 mm.
- Overall shape.—Palmate with five major lobes.
- Margin.—Entire.
- Tip.—Acuminate.
- Base.—Truncate to slightly sagittate.
- Stipules.—None.
- Spring leaf color.—First emerging leaves Yellow-green 151A to Yellow-green 144B with a tint of Greyed-purple 183 along the margin near the tip.
- Summer leaf color.—Upper leaf surface: Green 139A to Yellow-green 147A. Lower leaf surface: Yellow-green 146A. Vein: Yellow-green 146A when shaded and varying to Greyed-red 178A where most exposed to sunlight. The vein is prominent on the undersurface of the leaf.
- Fall leaf color.—Varies from Red 44A to Greyed-red 179A to Greyed-red 178A.
- Timing of fall leaf color.—Average dates for original ‘JFS-KW187’ tree in Boring, Oreg. Onset: Averages October 21. Peak: Averages October 28. Latest extent of red fall color: Averages November 4. Fall color begins and peaks at a time that is typical for the species.
- Defoliation.—Complete defoliation averages November 5 in Boring, Oreg.
- Pubescence.—None.
- Persistence.—The tree is deciduous.
-
- Flowers: Monoecious, with male and female flowers occurring in separate clusters on the tree. Observations of the original tree and its vegetatively propagated progeny show that the majority of flowers are male and that female flowers are quite infrequent. This parallels the observation that ‘JFS-KW187’ has produced only sparse seeds. Staminate flowers occur in corymbs of typically 30 to 60 flowers. The corymb is rounded, 6 to 8 cm in diameter. Flowers have 10 exerted stamens, Yellow-green 151B. Anthers are yellow 11A. Five petals are present, long oval to long obovate, each 2 mm wide by 5 mm long. Five sepals are present, acute, each 1.5 mm wide by 4 mm long. Pistillate flowers occur in corymbs of typically 15 to 30 flowers. The corymb is rounded, 5 to 6 cm in diameter. Flowers have 10 short, 2 mm long, vestigial, non-functioning stamens. The pistil is exerted, 3 mm to 4 mm long, and divides into a two parted style. The ovary is superior with two carpels. Female flowers are 10 mm to 13 mm in diameter with 5 petals and 5 sepals. Petals are long oval to long obovate, 2 mm wide by 5 mm long, Yellow 10A. Sepals are acute, 1.5 mm by 4 mm long, Yellow-green 151C. The pistil is Yellow-green 151B. Flowering begins about one week after vegetative bud break and continues for about two weeks, depending on weather conditions.
- Fruit: Samaras are sparsely produced, less than the species. Samaras, held in pairs at angle of 100° to 120°, maturing in mid to late October in Boring, Oreg. Samara pairs typically occur in clusters of two to four. Individual samaras measure 30 to 40 mm long by 10 to 12 mm wide and 3 to 4 mm thick at the seed end becoming paper thin along the wing margin. Samara color varies with maturity: Green 153A to Yellow-green 150C when immature and tinted Red 182A when exposed to full sun, then with maturity and drying they become Greyed-yellow 161C.
My new variety is easily distinguished from the most similar cultivars by its growth rate as evidenced by its height, internode length, number of branches, and leaf color. The following table shows these differences as measured on one year old trees of my new ‘JFS-KW187’ variety and three comparison varieties growing in Boring, Oreg. My new variety is shorter, more densely branched, and more compact as evidenced by its lesser height, greater number of branches, and shorter internode length. In addition, the upper leaf surface differs in color.
Table 1 defines these differences.
TABLE 1 | ||||
‘JFS-KW202’ | ‘Warrenred’ | ‘Keithsform’ | ||
Feature: | ‘JFS-KW187’ | PP 21,838 | PP 7,433 | PP 7,529 |
Tree | 188 | cm | 236 | cm | 320 | cm | 308 | cm |
height | ||||||||
Internode | 7.1 | cm | 11.1 | cm | 9.5 | cm | 9.7 | cm |
length |
Branches | 13.2 | 0.5 | 7.5 | 1.2 |
Leaf color, | Green 139A | Greyed- | Yellow- | Yellow- |
top | to Yellow- | purple 187A | green 146A | green 147B |
green 147A | to Green | to Green | ||
137A and | 137A | |||
Green 137B | ||||
My new tree differs from Acer truncatum in that it is more robust in growth and size, as evidenced by its larger leaves and longer internode length. Additionally, its leaf color differs. Differences are shown in Table 2, below.
TABLE 2 | ||
Feature | JFS-KW187 | Acer truncatum |
Leaf width | 14.6 cm | 9.0 cm |
Leaf length | 11.4 cm | 9.8 cm |
Leaf color, summer | Green 139A to | Yellow-green 144A |
upper surface | Yellow-green 147A | to 147A |
Internode length | 7.1 cm | 4.1 cm |
Claims (1)
1. A new and distinct variety of maple tree, substantially as herein illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/545,226 USPP27545P3 (en) | 2015-04-08 | 2015-04-08 | Maple tree named ‘JFS-KW187’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/545,226 USPP27545P3 (en) | 2015-04-08 | 2015-04-08 | Maple tree named ‘JFS-KW187’ |
Publications (2)
Publication Number | Publication Date |
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US20160302340P1 US20160302340P1 (en) | 2016-10-13 |
USPP27545P3 true USPP27545P3 (en) | 2017-01-17 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/545,226 Active 2035-08-11 USPP27545P3 (en) | 2015-04-08 | 2015-04-08 | Maple tree named ‘JFS-KW187’ |
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Country | Link |
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2015
- 2015-04-08 US US14/545,226 patent/USPP27545P3/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: J. FRANK SCHMIDT & SON CO., OREGON Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WARREN, KEITH S.;REEL/FRAME:035595/0466 Effective date: 20150406 |