USPP6154P - Exacum named Blue Rosette - Google Patents
Exacum named Blue Rosette Download PDFInfo
- Publication number
- USPP6154P USPP6154P US06/832,931 US83293186V US6154P US PP6154 P USPP6154 P US PP6154P US 83293186 V US83293186 V US 83293186V US 6154 P US6154 P US 6154P
- Authority
- US
- United States
- Prior art keywords
- flower
- rosette
- blue
- exacum
- new
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 241000735572 Exacum Species 0.000 title abstract 2
- 241000196324 Embryophyta Species 0.000 claims abstract description 8
- 230000036512 infertility Effects 0.000 claims abstract 2
- 230000000644 propagated effect Effects 0.000 claims abstract 2
- 241000735574 Exacum affine Species 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 2
- 241001164374 Calyx Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Images
Definitions
- the present new variety "Blue Rosette” is a result of radiation treatments carried out in 1983 on meristimatic tissues of the cultivar "Blue Rococo,” and appeared as a provoked mutant of Blue Rococo, grown as potted plants.
- FIG. 1 is a full-color photograph of a potted plant in full bloom
- FIG. 2 is a full-color photograph of the blossoms of the plant.
- Blue Rosette is a characteristic new mutant from an earlier variety of Blue Rococo and distinguishable from its origin as follows:
- Growth rate is equal to single-flowered seed-propagated cultivars.
- Stamens are absent as they have become petalloid, forming a rosette in the flower center.
- the flowers are sterile and produce no seed.
- Plant diameter Similar to height.
- Type of cutting Terminal shoots or stem segments.
- Rooting habit Dense and fibrous.
- Shape of leaves Cordate to elliptic ovate.
- Venation Faintly three-veined from petiole. Middle vein strongest.
- Length of internodes 25-32 mm.
- Breaking action Sympodial. One flower terminal at each node and two side shoots.
- Bud Round, 4-6 mm in diameter. Color 145 B.
- Petals Five outer petals, each 7-8 mm wide forming a flat circular flower, 18-20 mm in diameter. In the center, 5 incurved petals of transformed stamens form a rosette. The number of petals depend on light conditions and day length. During the winter, some stamens are only partly petalloid.
- Stamens Normally absent.
- Style 12 mm long, white, with a yellowish stigma 2 mm above the central petals.
- Petal color 87B to 88B. Reverse side 86C.
- Lasting quality Average keepability one week depending on temperature.
- Behaviour The large number of flowers appear as an eye catcher at the surface of the compact green foliage, where new buds and flowers succeed the wilting.
- Pedicels 35-40 mm long, light purplish green.
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new and distinct variety of Exacum plant characterized by semidouble flowers, floriferousness, blooming habits and the sterility of the flower. The normal stamens are petalloid and arranged incurved as a rosette in the center of the lavender-blue-violet flower. Plants can be propagated by asexual processes true to type. Rooting ability of the variety is excellent. The type of flower differs from that of the other known single cultivars.
Description
The present new variety "Blue Rosette" is a result of radiation treatments carried out in 1983 on meristimatic tissues of the cultivar "Blue Rococo," and appeared as a provoked mutant of Blue Rococo, grown as potted plants.
Asexual propagation of my new cultivar by cuttings in my greenhouse through several generations, has proved that the new cultivar is true to type, and constant in its characteristics. Descriptions were carried out on Nov. 12, 1985. Color readings were based on The Royal Horticultural Society's Colour Chart.
The new plant is illustrated in the accompanying drawings in which FIG. 1 is a full-color photograph of a potted plant in full bloom and FIG. 2 is a full-color photograph of the blossoms of the plant.
Exacum Affine Balf. "Blue Rosette" is a characteristic new mutant from an earlier variety of Blue Rococo and distinguishable from its origin as follows:
1. The flowers are semidouble.
2. Growth rate is equal to single-flowered seed-propagated cultivars.
3. Growth habit as potted plants is compact with an excellent branching ability.
4. Stamens are absent as they have become petalloid, forming a rosette in the flower center.
5. The flowers are sterile and produce no seed.
6. Reproduces easily with cuttings.
7. The keepability of the flower is slightly better than that for the single-flowered cultivars.
The accompanying color photograph illustrates the overall appearance of the cultivar "Blue Rosette." The flower color is slightly dependent on prevailing light conditions. The following is based on observations made on Nov. 12, 1985.
Origin: Mutation in a well defined cultivar "Blue Rococco."
Form: Upright with heavy paniculate branching ability right from base to the terminal shoots.
Height: To flowering 18-25 cm.
Plant diameter: Similar to height.
Growth rate: Fast under good light conditions.
Type of cutting: Terminal shoots or stem segments.
Rooting time: 12-14 days.
Rooting habit: Dense and fibrous.
Arrangements: Oppositer sessile leaves at the bottom of all nodes.
Shape of leaves: Cordate to elliptic ovate.
Tip: Acute.
Base: Attenuate.
Margin: Entire.
Venation: Faintly three-veined from petiole. Middle vein strongest.
Size: Leaf-blade and petiole 40-60 mm. Length of blade 30-35 mm. Width at widest point 32-35 mm.
Surface: Slightly crinkled.
Texture: Glabrous.
Variegation: None.
Color:
Petiole.--144 B.
Veins.--145 B.
Leaf surface.--138 A, under side -- 144 A.
Color: 144 B -- at internodes purplish tinted.
Length of internodes: 25-32 mm.
Structure: Strong, rounded quadrangular.
Breaking action: Sympodial. One flower terminal at each node and two side shoots.
Form: Round.
Born: Terminal, single at the end of each node.
Bud: Round, 4-6 mm in diameter. Color 145 B.
Calyx: 5 winged. Color 143 B.
Petals: Five outer petals, each 7-8 mm wide forming a flat circular flower, 18-20 mm in diameter. In the center, 5 incurved petals of transformed stamens form a rosette. The number of petals depend on light conditions and day length. During the winter, some stamens are only partly petalloid.
Stamens: Normally absent.
Style: 12 mm long, white, with a yellowish stigma 2 mm above the central petals.
Petal color: 87B to 88B. Reverse side 86C.
Lasting quality: Average keepability one week depending on temperature.
Behaviour: The large number of flowers appear as an eye catcher at the surface of the compact green foliage, where new buds and flowers succeed the wilting.
Pedicels: 35-40 mm long, light purplish green.
Claims (1)
1. "Blue Rosette" to be a new and distinct cultivar of Exacum Affine as shown and described, characterized by its semidouble blue flowers, where the normal stamens are petalloid and arranged incurved as a rosette in the center of the lavender-blue-violet flower, by the sterility of the flower with the plants being propagated by asexual processes true to type, the excellent rooting ability, and the double flower differs from that of the other known cultivars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/832,931 USPP6154P (en) | 1986-02-24 | 1986-02-24 | Exacum named Blue Rosette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/832,931 USPP6154P (en) | 1986-02-24 | 1986-02-24 | Exacum named Blue Rosette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP6154P true USPP6154P (en) | 1988-04-19 |
Family
ID=25262963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/832,931 Expired - Lifetime USPP6154P (en) | 1986-02-24 | 1986-02-24 | Exacum named Blue Rosette |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP6154P (en) |
-
1986
- 1986-02-24 US US06/832,931 patent/USPP6154P/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: NURSERYMEN S EXCHANGE, 475 SIXTH STREET, SAN FRANC Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ROSENDAL, ERIK;REEL/FRAME:004525/0464 Effective date: 19860211 |