USPP6746P - English oak named `Wandell` - Google Patents
English oak named `Wandell` Download PDFInfo
- Publication number
- USPP6746P USPP6746P US07/123,060 US12306087V US6746P US PP6746 P USPP6746 P US PP6746P US 12306087 V US12306087 V US 12306087V US 6746 P US6746 P US 6746P
- Authority
- US
- United States
- Prior art keywords
- wandell
- named
- plants
- crown
- fastigiate
- 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
- 240000009089 Quercus robur Species 0.000 title claims abstract description 7
- 235000011471 Quercus robur Nutrition 0.000 title claims abstract description 7
- 241000221785 Erysiphales Species 0.000 claims abstract description 5
- 230000000644 propagated effect Effects 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims 3
- 230000001174 ascending effect Effects 0.000 abstract description 6
- 231100000241 scar Toxicity 0.000 description 2
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Images
Definitions
- This new variety of English Oak was discovered by me growing on cultivated property in Burlington, Iowa.
- the new variety has a very tight, upright, neat, symmetrical growth habit with a well groomed appearance.
- the fastigiate habit develops at an early age and retains the fastigiate habit with maturity.
- the lateral branches are strongly ascending, conforming to the shape of the crown. This type of fastigiate habit is consistantly maintained when trees are vegetatively propagated.
- the leaves are strongly ascending on the lateral branches and are resistant to powdery mildew common with the species.
- FIG. 1 is a photographic view of the tree in leaf showing its tight, neat, symmetrical, upright growth habit.
- FIG. 2 is a photographic view of a comparision of the leaves of new new variety and showing the absence of powdery mildew compared to a foliage sample from a typical English oak seedling.
- FIG. 3 is a photographic view of the bark of my new variety.
- FIG. 4 is a drawing of the leaf scar of my new variety.
- Parentage A tree of unknown origin and planted in an urban site.
- Propagation Maintains its distinguishing characteristics when propagated by grafting. This tree has been asexually reproduced by myself and under my guidance by grafting.
- Leaves Alternate, strongly ascending on the branches, deciduous although persisting after turning brown, obovate, with 3 to 7 pairs of alternately arranged lobes, glabrous, the apices rounded, the bases shortly auriculate; petioles short, to 5 mm long.
- Twigs Fine, first year twigs 1.2 to 2.5 mm in diameter, glabrous, slightly glaucous, longitudinally grooved, greenish, becoming reddish-brown or purple, marked with buff-colored, ellipsoid lenticels.
- Leaf scars alternate, small, nominally 3-lobed, slightly raised, with numerous bundle traces.
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A unique Quercus robur denominated `Wandell`, characterized primarily by having an extremely fastigiate, upright, attractive appearance; resistance to powdery mildew; and, dense, concentrated and strongly ascending branching habit.
Description
This new variety of English Oak was discovered by me growing on cultivated property in Burlington, Iowa. The new variety has a very tight, upright, neat, symmetrical growth habit with a well groomed appearance. The fastigiate habit develops at an early age and retains the fastigiate habit with maturity. The lateral branches are strongly ascending, conforming to the shape of the crown. This type of fastigiate habit is consistantly maintained when trees are vegetatively propagated. The leaves are strongly ascending on the lateral branches and are resistant to powdery mildew common with the species.
A new and distinct cultivar of English oak characterized by its tight upright form that is consistantly maintained, strongly ascending branches and leaves and resistance to powdery mildew.
FIG. 1 is a photographic view of the tree in leaf showing its tight, neat, symmetrical, upright growth habit.
FIG. 2 is a photographic view of a comparision of the leaves of new new variety and showing the absence of powdery mildew compared to a foliage sample from a typical English oak seedling.
FIG. 3 is a photographic view of the bark of my new variety.
FIG. 4 is a drawing of the leaf scar of my new variety.
The following is a detailed description of my new variety with color designations according to The R.H.S. Colour Chart published by The Royal Horticultural Society of London, England and the stated observations having been made at Burlington, Iowa by applicant.
Origin: Seedling.
Parentage: A tree of unknown origin and planted in an urban site.
Propagation: Maintains its distinguishing characteristics when propagated by grafting. This tree has been asexually reproduced by myself and under my guidance by grafting.
Classification: Quercus robur var. `Wandell`.
Form: Medium sized tree.
Habit: A deciduous tree with a single short trunk and a straight single leader; crown fastigiate, strongly columnar, symmetrical, near, tight and compact, with a height/width ratio of approximately 2.5 to 1; lateral branches strongly ascending, conforming to the overall shape of the crown.
Growth rate: Medium.
Bark: Dark, deeply furrowed.
Leaves: Alternate, strongly ascending on the branches, deciduous although persisting after turning brown, obovate, with 3 to 7 pairs of alternately arranged lobes, glabrous, the apices rounded, the bases shortly auriculate; petioles short, to 5 mm long.
Size.--6 to 11 cm long and 2.5 to 5 cm wide.
Color.--Dark green above (R.H.S. 137A), paler below (R.H.S. 147B).
Winter buds: Ovoid, 4 mm long, chestnut brown, with approximately 20 exposed scales, the scales fringed with short hairs.
Twigs: Fine, first year twigs 1.2 to 2.5 mm in diameter, glabrous, slightly glaucous, longitudinally grooved, greenish, becoming reddish-brown or purple, marked with buff-colored, ellipsoid lenticels. Leaf scars alternate, small, nominally 3-lobed, slightly raised, with numerous bundle traces.
Fruit: An acorn, maturing in one year, often borne in pairs, 2.5 cm long, oblong, the lower third enclosed by the shallow cup; peduncle elongate, up to 5 cm long.
Flowers: Not seen.
Claims (1)
1. A new and distinctive variety and the parts thereof, of Quercus robur named `Wandell` as described herein, that differs from all other varieties by the unique combination of: (1) a narrow, strongly fastigiate crown that is symmetrical, tight and neat with a naturally occurring well groomed appearance; (2) this type of crown is formed on young plants, continues to mature trees, and is consistantly maintained when the plants are vegetatively propagated; and (3) the plants are resistant to powdery mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/123,060 USPP6746P (en) | 1987-11-19 | 1987-11-19 | English oak named `Wandell` |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/123,060 USPP6746P (en) | 1987-11-19 | 1987-11-19 | English oak named `Wandell` |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP6746P true USPP6746P (en) | 1989-04-18 |
Family
ID=22406494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US07/123,060 Expired - Lifetime USPP6746P (en) | 1987-11-19 | 1987-11-19 | English oak named `Wandell` |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP6746P (en) |
-
1987
- 1987-11-19 US US07/123,060 patent/USPP6746P/en not_active Expired - Lifetime
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