USPP6927P - Exacum plant `Best Rose` - Google Patents
Exacum plant `Best Rose` Download PDFInfo
- Publication number
- USPP6927P USPP6927P US07/142,590 US14259088V US6927P US PP6927 P USPP6927 P US PP6927P US 14259088 V US14259088 V US 14259088V US 6927 P US6927 P US 6927P
- Authority
- US
- United States
- Prior art keywords
- exacum
- rose
- plant
- petals
- seed
- 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 9
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000010930 yellow gold Substances 0.000 claims abstract 2
- 229910001097 yellow gold Inorganic materials 0.000 claims abstract 2
- 241000735574 Exacum affine Species 0.000 claims description 4
- 241000220317 Rosa Species 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 7
- 230000000442 meristematic effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001568 sexual effect Effects 0.000 description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009363 floriculture Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000011869 shoot development Effects 0.000 description 1
Images
Definitions
- This invention relates to a new and distinctive cultivar of exacum plant known botanically as exacum affine and known by the cultivar name Best Rose.
- This new cultivar was discovered by me as a result of radiation treatment carried out on meristematic tissues of my exacum cultivar Best Blue, and continued successive selection to obtain a new color, grown as a pot plant.
- the flowers have stamens and style and produce seed.
- the new variety is a result of radiation treatment carried out on meristematic tissues of my exacum affine cultivar Best Blue, and continued successive selection to obtain a new color.
- Type cutting Terminal Shoots or stem segments.
- Length of internode 25-36 mm.
- Breaking action Sympodial. One flower terminal at each node and two side shoots.
- Time to root 12-14 days at 21° C. in summer; 12-14 days at 21° C. in winter.
- Rooting habit Dense and fibrous.
- Foliage Opposite, sessile leaves at the bottom of all nodes.
- Flower bud Round, 5-6 mm (0.2-0.24 inch) color 145C.
- Reproductive organs sexual propagation or young tip/stem cuttings.
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new and distinctive cultivar of exacum plant particularly characterized by its uniquely colored rose-purple petals not seen in exacum before, the petals surrounding bright yellow-gold stamen, the flower set against a dense, moderately dark green foliage, the plant having a rapid, full and compact growth, a floriferous display of rose-purple flowers that have stamens and style and produce seed, and reproduces easily and consistently by cuttings or by seed.
Description
This invention relates to a new and distinctive cultivar of exacum plant known botanically as exacum affine and known by the cultivar name Best Rose.
This new cultivar was discovered by me as a result of radiation treatment carried out on meristematic tissues of my exacum cultivar Best Blue, and continued successive selection to obtain a new color, grown as a pot plant.
Asexual reproduction by stem cuttings has reproduced the unique features by the new cultivar through successive propagations. Sexual propagation by seed is possible as the flowers are fertile. Seedlings are true to type meaning that seedlings give exactly the same uniform product as cuttings.
The following characteristics distinguish the new exacum from both its parents and other exacum affines commercially known and used in the floriculture industry:
(1) Flowers are single.
(2) Growth rate is equal to other single flowered cultivars.
(3) Growth as potted plant is compact.
(4) The color of the petals of the flower is rose-purple, a color not seen in exacum before.
(5) The flowers have stamens and style and produce seed.
(6) The cultivar reproduces easily with cuttings and also by seed.
(7) The color and appearance of the wilted flower do not disfigure the plant in the same manner as known in blue cultivars.
The accompanying color photographs illustrate the overall appearance of this cultivar taken, one, as a face view of the overall plant second, of a close up of the flower and foliage and showing the colors as true as it is reasonably possible to obtain in a colored reproduction of this type.
The following is a detailed description of my new exacum cultivar based on plants produced under experimental growing conditions in glasshouses in Sandager, in Denmark. Color references are made to The Royal Horticultural Society Colour Chart, except where general color terms of ordinary dictionary significance are used.
The new variety is a result of radiation treatment carried out on meristematic tissues of my exacum affine cultivar Best Blue, and continued successive selection to obtain a new color.
Type cutting: Terminal Shoots or stem segments.
Color:
Stem.--144B by internode tinted 61.
Length of internode: 25-36 mm.
Structure: Strong, rounded quadrangular.
Breaking action: Sympodial. One flower terminal at each node and two side shoots.
Time to root: 12-14 days at 21° C. in summer; 12-14 days at 21° C. in winter.
Rooting habit: Dense and fibrous.
Time for shoot development of cuttings: 14 days.
Form: Upright, with heavy paniculate branching from base to terminal shoots. Potted plant diameter similar to its height.
Habit of growth: Rapid under good light conditions. Growth is compact.
Foliage: Opposite, sessile leaves at the bottom of all nodes.
(1) Size.--Average leaf at maturity from 4-4.5 cm. (1.6-1.8 inches) long.
(2) Shape.--Cordate to elliptic ovate.
(3) Tip.--Acute.
(4) Base.--Attenuate.
(5) Texture.--Glabrous.
(6) Margin.--Entire.
(7) Color.--Young foliage top side; 138A. under side; 144A. mature foliage top side; 138A. under side; 144A. petiole; 144B. veins; 145B.
(8) Veination.--Three veined from petiole. Middle vein deepest.
Flowering habits: The large number of flowers appear clear of the compact foliage where new buds and flowers succeed. The wilted flowers do not disfigure as much as typical with blue cultivars.
Natural flowering season: April-October.
Flower bud: Round, 5-6 mm (0.2-0.24 inch) color 145C.
Flowers borne: Terminal, single at the end of each node.
Quantity: Floriferous.
Petals:
(1) Shape.--Round.
(2) Color.--186B-186C greyed purple. Reverse: 186C.
(3) Number.--5.
(4) Size.--8-9 mm (0.32-0.36 inches).
(5) Flower size.--15-20 mm (0.6-0.8 inches).
Reproductive organs: Sexual propagation or young tip/stem cuttings.
Disease resistance: No particular increase in resistance to disease observed to date.
Claims (1)
1. A new and distinct cultivar of exacum affine plant named Best Rose, as shown and described, and particularly characterized by its uniquely colored rose-purple petals never seen in exacum before, the petals surrounding bright yellow-gold stamen to produce a unique flower set against a dense, moderately dark green foliage, the cultivar having a rapid, full and compact growth, a floriferous display of rose-purple flowers that produce seed, and reproduces easily and consistently by cuttings or seed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/142,590 USPP6927P (en) | 1988-01-11 | 1988-01-11 | Exacum plant `Best Rose` |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/142,590 USPP6927P (en) | 1988-01-11 | 1988-01-11 | Exacum plant `Best Rose` |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP6927P true USPP6927P (en) | 1989-07-18 |
Family
ID=22500472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US07/142,590 Expired - Lifetime USPP6927P (en) | 1988-01-11 | 1988-01-11 | Exacum plant `Best Rose` |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP6927P (en) |
-
1988
- 1988-01-11 US US07/142,590 patent/USPP6927P/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: L. DAEHNFELDT A/S, P.O. BOX 15-DK 5100, ODENSE C, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ROSENDAL, ERIK;REEL/FRAME:004920/0241 Effective date: 19880104 |