USPP6102P - Exacum named White Rosette - Google Patents
Exacum named White Rosette Download PDFInfo
- Publication number
- USPP6102P USPP6102P US06/832,912 US83291286V US6102P US PP6102 P USPP6102 P US PP6102P US 83291286 V US83291286 V US 83291286V US 6102 P US6102 P US 6102P
- Authority
- US
- United States
- Prior art keywords
- flower
- rosette
- exacum
- white
- 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 claims abstract description 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 8
- 230000000644 propagated effect Effects 0.000 claims abstract description 3
- 230000036512 infertility Effects 0.000 claims abstract 2
- 238000005520 cutting process Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 241001164374 Calyx Species 0.000 description 1
- 241000735574 Exacum affine Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Images
Definitions
- the present new variety "White Rosette” was discovered by me in a commercial greenhouse in Denmark in 1984 as a spontaneous mutant within a large number of the Exacum Affine Balf. cultivar "Best White” grown as pot 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.
- Growth rate is equal to single-flowered seed-propagated cultivars.
- Stamens are normally absent as most have become petalloid, forming a rosette in the flower center.
- the flowers are sterile and produce no seed.
- the accompanying color photograph illustrates the overall appearance of the cultivar "White Rosette.”
- the flower color is white at full maturity, greenish white as a bud.
- the following is based on observations made on Nov. 12, 1985.
- Plant diameter Similar to height.
- Type of cutting Terminal shoots or stem segments.
- Rooting habit Fast and dense.
- Shape of leaves Cordate to elliptic ovate.
- Venation Faintly three-veined from petiole. Middle vein strongest.
- Color Basic color green with shades of purple 183C, at internodes strong purplish tinted.
- Length of internodes 30-40 mm.
- Breaking action Sympodial. Flowers solitary in dichasia. Each node with two lateral shoots.
- Bud Round, 4-5 mm. in diameter. Color 145 B.
- Petals Five white, outer petals, 8-9 mm. each, forming a round flower, 18-20 mm. in diameter. In the center, 5 incurved, crinkled petals of transformed anthers form a rosette. The number and type of these inner petals depend on the prevailing light conditions. During the summer, the rosette will be tight and have a diameter of 7-9 mm. In the winter, some anthers will only be partly petalloid or form sterile anthers.
- Style 12 mm. long, white, bent with greenish stigma.
- Stamens Normally absent.
- Petal color White with a greenish base, lower side 149 D at base.
- 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.
- Pedicels 15-25 mm., purplish green.
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new and distinct variety of Exacum plant characterized by double flowers, with the normal 5 anthers transformed into a rosette of petals in the center of the flower, floriferousness, blooming habits and the sterility of the flower. Plants can be propagated by asexual processes true to type. Rooting ability of the variety is excellent. The semidouble flower differs from that of the other known cultivars.
Description
The present new variety "White Rosette" was discovered by me in a commercial greenhouse in Denmark in 1984 as a spontaneous mutant within a large number of the Exacum Affine Balf. cultivar "Best White" grown as pot 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 "White Rosette" is a characteristic new mutant from a known seed propagated cultivar "Best White" 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 normally absent as most 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 "White Rosette." The flower color is white at full maturity, greenish white as a bud. The following is based on observations made on Nov. 12, 1985.
Origin: Mutation in a well defined seed-grown cultivar "Best White."
Form: Upright with a distinct dichotomous 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 condition.
Type of cutting: Terminal shoots or stem segments.
Rooting time: 12-14 days.
Rooting habit: Fast and dense.
Arrangements: Opposite sessile leaves at 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 40-55 cm. Length of blade 25-45 mm. Width at widest point 28-40 mm.
Surface: Smooth, with slightly depressed veins.
Texture: Glabrous.
Variegation: None.
Color:
Petiole.--144 A.
Veins.--144 B.
Leaf surface.--137 C, lower side -- 143 B.
Color: Basic color green with shades of purple 183C, at internodes strong purplish tinted.
Length of internodes: 30-40 mm.
Structure: Strong, rounded quadrangular.
Breaking action: Sympodial. Flowers solitary in dichasia. Each node with two lateral shoots.
Form: Round.
Born: Solitary, terminal in dichasia.
Bud: Round, 4-5 mm. in diameter. Color 145 B.
Calyx: 5 winged. Color 143 B.
Petals: Five white, outer petals, 8-9 mm. each, forming a round flower, 18-20 mm. in diameter. In the center, 5 incurved, crinkled petals of transformed anthers form a rosette. The number and type of these inner petals depend on the prevailing light conditions. During the summer, the rosette will be tight and have a diameter of 7-9 mm. In the winter, some anthers will only be partly petalloid or form sterile anthers.
Style: 12 mm. long, white, bent with greenish stigma.
Stamens: Normally absent.
Petal color: White with a greenish base, lower side 149 D at base.
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.
Pedicels: 15-25 mm., purplish green.
Claims (1)
1. "White Rosette" to be a new and distinct cultivar of Exacum as shown and described, characterized by its semidouble white flowers, with the normal five anthers transformed into a rosette of petals in the center of the flower, its floriferousness, its blooming habits, by the sterility of the flower with the plants being propagated by asexual processes true to type, excellent rooting ability and the semidouble flower differing from that of the other known cultivars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/832,912 USPP6102P (en) | 1986-02-24 | 1986-02-24 | Exacum named White Rosette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/832,912 USPP6102P (en) | 1986-02-24 | 1986-02-24 | Exacum named White Rosette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP6102P true USPP6102P (en) | 1988-02-09 |
Family
ID=25262907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/832,912 Expired - Lifetime USPP6102P (en) | 1986-02-24 | 1986-02-24 | Exacum named White Rosette |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP6102P (en) |
-
1986
- 1986-02-24 US US06/832,912 patent/USPP6102P/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:004525/0451 Effective date: 19860211 |