Plants – Rose – Climber
Plant Patent
2000-06-02
2002-02-05
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012384
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of Spathiphyllum plant, botanically known as
Spathiphyllum hybrid
, and hereinafter referred to by the cultivar name ‘Grand Dad’.
The new cultivar is the product of a breeding program carried out by the inventors Ann E. Lamb, David R. Lilly and Randy L. Allamand. The new cultivar named ‘Grand Dad’ is the result of a cross made in Apopka, Fla. in November of 1993. The female parent was a selection of Spathiphyllum ‘Mauna Loa’ known in the commercial trade as ‘Linda’ (unpatented). The male parent was a plant, found among seedling-derived Spathiphyllum ‘Mauna Loa’ named ‘Vibrant’ (unpatented) which was selected and maintained by the inventors and used only for breeding purposes.
The new cultivar named ‘Grand Dad’ was discovered and selected by the inventors from a group of seedlings of the stated cross in Homestead, Fla. on Feb. 26, 1996. Propagation by tissue culture in the laboratories of Twyford Plant Laboratories, Inc., in Sebring, Fla., under the supervision of the inventors, was used to increase the number of plants for evaluation and has demonstrated the stability of the combination of characteristics as herein described are firmly fixed and reproduces true to type from generation to generation.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘Grand Dad’ which in combination distinguish this Spathiphyllum as a new and distinct cultivar:
1. Plants are large and ideally suited for pot sizes of 20 cm or larger;
2. Leaves are dark-green, large and broad with a shiny surface;
3. Spathes are large, ovate, cupped and are held just above the foliage on thick, sturdy peduncles. The spathes are pale green in color when newly open, becoming green with age; and
4. Foliage is well adapted to commercial shipping practices because it is flexible and does not damage easily.
‘Grand Dad’ has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary significantly with variations in environment such as temperature, light intensity, and daylength, without any change in genotype.
Of the commercial cultivars known to the inventors, the most similar in comparison to ‘Grand Dad’ is the cultivar ‘Gorgusis No. 1’ (U.S. Plant Pat. No. 6,964 and known in the commercial trade as ‘Sensation R’). In comparison to ‘Gorgusis No. 1’, the leaves of ‘Grand Dad’ have a shinier surface than the leaves of ‘Gorgusis No. 1’. The growth habit of ‘Gorgusis No. 1’ is more upright than that of ‘Grand Dad’. The foliage of ‘Grand Dad’ is flexible while the foliage of ‘Gorgusis No. 1’ is often brittle.
The female parent ‘Linda’ is a large, upright growing variety used in 10-14 inch pots, with broad dark green leaves and large, bright white spathes held above the foliage. In comparison to ‘Linda’, ‘Grand Dad’ is a larger plant and has larger, broader leaves with very glossy and shiny surfaces.
The male parent ‘Vibrant’ is a very large plant with very large, shiny leaves and green spathes which are held just above the foliage. In comparison to ‘Vibrant’, the growth habit of Spathiphyllum ‘Grand Dad’ is more upright and compact, and plants of ‘Grand Dad’ are more likely to branch than those of ‘Vibrant’. The spathes of ‘Grand Dad’ are pale green when newly open. The spathes of ‘Vibrant’ are darker green when newly open, and are larger than those of ‘Grand Dad’.
REFERENCES:
patent: PP6964 (1989-08-01), Georgusis
Allamand Randy L.
Lamb Ann E.
Lilly David R.
Bell Kent L.
Campell Bruce R.
Twyford Plant Laboratories, Inc.
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