Platanus tree named ‘Woodside Column’

Abstract

A new cultivar of Platanus, ‘Woodside Column’, that is characterized by its narrow upright plant habit, its ease of propagation by softwood stem cuttings, its ease of transplanting with good re-growth, and its moderate growth habit.

Claims

1. A new and distinct cultivar of Platanus tree named ‘Woodside Column’ as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The accompanying colored photographs illustrate the overall appearance and distinct characteristics of the new Platanus, ‘Woodside Column’. The photographs were taken of 5 year-old plants of ‘Woodside Column’ as field grown in Sint-Oedenrode, Netherlands.

(2) FIG. 1 provides an overall view of the plant habit of plants of ‘Woodside Column’.

(3) The photograph in FIG. 2 provides a close-up view of a leaf of ‘Woodside Column’ in fall.

(4) The colors in the photographs are as close as possible with the photographic and printing technology utilized and the color values cited in the Detailed Botanical Description accurately describe the colors of the new Platanus.

DETAILED BOTANICAL DESCRIPTION

(5) The following is a detailed description of a five-year old plant of the new cultivar as field grown in Sint-Oedenrode, Netherlands. The phenotype of the new cultivar may vary with variations in environmental, climatic, and cultural conditions, as it has not been tested under all possible environmental conditions. The color determination is in accordance with The 2015 R.H.S. Colour Chart of The Royal Horticultural Society, London, England, except where general color terms of ordinary dictionary significance are used. General description: Plant type.—Deciduous tree. Plant habit.—Upright with narrow ovate crown. Height and spread.—An average of 4 m in height and 1.5 m in spread, mature height in the landscape is an average of 25 m in height and 10 m in width. Cold hardiness.—At least to U.S.D.A. Zone 6. Diseases and pests.—No susceptibility or resistance to diseases or pests was observed. Root description.—Fibrous, freely branched. Propagation.—Softwood stem cuttings. Root development.—About 3 months to produce a young rooted plant from a cutting initiated in spring. Growth rate.—Moderately vigorous, slow growing. Branch description: Shape.—Elliptic. Branch color.—Young; 144A, later fading to 152A, mature branches and main stem; N199A. Branch size.—Lateral branches; an average of 104 cm in length and 7.5 mm in diameter, main trunk; an average of 6 cm in width measured 12 cm from soil line. Branch surface.—Glabrous and glossy with young stems densely covered with small stellate hairs, an average of 0.1 mm in length and 160D in color, all stems moderately to densely covered with lenticels, an average of 0.3 mm in length and 199C in color, mature bark is smooth and becomes exfoliating as a mature tree. Internode length.—Average of 9.6 cm. Branch aspect.—Lateral branches held at an angle of 45° to main stem. Branch strength.—Very strong. Branching.—Freely branching, an average of 35 lateral branches, pinching is not required, but will improve branching. Foliage description: Leaf shape.—Palmately lobed. Leaf division.—Simple. Leaf quantity.—An average of 11 leaves per lateral branch. Leaf base.—Broadly acuminate. Leaf apex.—Broadly acuminate. Leaf fragrance.—None. Leaf venation.—Laciniate, N144A on upper surface and 151D on lower surface. Leaf margins.—Coarsely serrate-dentate. Leaf arrangement.—Alternate. Leaf aspect.—Held straight from petioles. Leaf attachment.—Petiolate. Leaf surface.—Upper surface; moderately glossy, lower side slightly glossy and densely covered with stellate hairs on the main, secondary and tertiary veins, average hair length is 0.1 mm and 160D in color. Leaf size.—Up to 19.2 cm in length and 20.1 cm width. Leaf color.—Young upper surface; 146B to 146C, young lower surface; 146C, mature upper surface; between NN137A and 147A, mature lower surface; 146B. Petioles.—Average of 3.6 cm in length and 2.5 mm in width, held at about a 45° angle from branch, color of upper and lower surface N144A. Leaf buds.—Surface completely covered by the proximal part of the petiole, ovate in shape, average of 8 mm in length and 6 mm in diameter, 143B to 143C in color. Stipules.—None. Inflorescence description: No flowers have been observed to date.