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Hosta 'Foxfire Palm Sunday'


According to the U.S. government, a new Hosta cultivar is an "invention". Therefore, it is eligible to receive a patent, just like Edison's electric light bulb. In the case of hostas and other plants, a patent means that for the next 20 years, nobody may propagate and sell this cultivar without providing compensation to the owner of the patent. This is a different process than registering a Hosta with The American Hosta Society.

The application for a patent must include a tremendous amount of information about the plant. Measurements of every conceivable part of the plant are given in metric terms. The color of all plant tissues are given in terms of representations on the Royal Horticultural Society Colour Chart (RHS).

Shown below is the extensive patent information for this cultivar which has a patent application but has not been granted a patent as it was listed on FreePatentsOnline.com:

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Hosta plant, botanically known as Hosta hybrida, and hereinafter referred to by the cultivar name “Foxfire Palm Sunday”.

'Foxfire Palm Sunday' was selected in 2000 and originated from seedlings of an open pollination cross between pod parent H. 'Independence_Day.htm">IndependenceDay' (not patented) and an unknown pollen parent. The pod parent exhibits leaves with uniform gold margins and chartreuse centers. 'Foxfire Palm Sunday' was selected primarily for its unique foliage pattern, vigorous growth characteristics and intense 'Rubbery' leaf texture. 'Foxfire Palm Sunday' differs from its pod parent in general shape, color and texture of the leaf as well as the unique 'Palm leaf' variegation pattern within the leaf.

The inventor first accomplished asexual reproduction of the new cultivar by division in Marshfield, Wis. in 2007. Asexual reproduction of the new cultivar by division and tissue culture in 2008 has shown the unique features of 'Foxfire Palm Sunday' are stable and reproduced true to type in successive generations.

The new Hosta has not been observed under all possible environmental conditions. The appearance of the plant may vary somewhat with variations in environment such as degree of shading and ambient temperature but the genotype will remain stable.

BRIEF SUMMARY OF THE INVENTION

The following traits have been repeatedly observed and are determined to be the unique characteristics of 'H. “Foxfire Palm Sunday”' as a new and distinct cultivar.

•1. Broad, irregular, yellow/chartreuse leaf margin.
•2. Intense, rubbery leaf texture
•3. Unique, green center leaf pattern of irregular multi-lobular 'Palmate' shape

BRIEF DESCRIPTION OF THE DRAWING

The accompanying color photograph illustrates the overall appearance of the new cultivar, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. The photograph comprises a top perspective view of a plant “H. “Foxfire Palm Sunday”” in a cultivated area of the garden. There may be slight differences in the leaf colors of the photograph from the actual colors due to light reflectance.

DETAILED BOTANICAL DESCRIPTION

In the following description, color references are made to The Royal Horticultural Society Colour Chart except where general terms of ordinary dictionary significance are used. The following observations and measurements describe the plant as grown in the ground in Central Wisconsin under partial shade.

•Botanical Classification: Hosta hybrid cultivar “Foxfire Palm Sunday”.

•Parentage: Pod parent HostaIndependence_Day.htm">IndependenceDay”.

•General description:

a) Blooming period. about four weeks from June 25th to July 20th in Wisconsin, USA.

b) Plant habit. Herbaceous perennial, clump forming, upright, vase shaped habit.

d) Height and spread. reaches about 24.0 cm (9 in.) (up to about 70 cm (28 in.) at maturity) in height and 70 cm (28 in.) (up to about 100 cm (39 in.) at maturity) in width.

e) Hardiness. USDA Zone 3-8.

f) Culture. Light shade to partial sun, moist soils of moderate fertility.

g) Diseases and pests. No susceptibility or resistance to diseases or other pests has been observed for “Foxfire Palm Sunday”.

h) Root description. Freely branched, fleshy.

i) Propagation. In vitro propagation is preferred using typical methods for Hosta, division is also possible.

j) Root development. Rooted transplants from tissue culture fully develop in a 72-cell liner in about 5-9 weeks in a greenhouse with average temperature of about 70 degrees F.

k) Growth rate. Vigorous.

•  Foliage description:

a) Leaf shape. Narrowly ovate.

b) Leaf base. tapered elongated into petiole.

c) Leaf size. 31 cm (12.2 in.) in length 17 cm (6.7 in.) in width.

d) Leaf texture. Very thick, near 'Rubbery'.

e) Leaf quantity. 5-6 per shoot (eye).

f) Leaf appearance. moderately wavy in mature leaf, 'Crumpled' in the juvenile form.

g) Leaf surface. top surface slightly shiny bottom surface: glaucous bloom.

h) Leaf venation. About 10 to 12 pairs of veins, campylodrome pattern, impressed on upper surface and raised on lower surface, color matches foliage coloration. Margin exhibits notable 'Matrix' veining between the primary veins.

i) Leaf margin. slightly wavy, extending well down into petiole as it narrows from a maximum width of 4.0 cm (1.6 in.) in the upper leaf to 0.5 cm (0.2 in.) in the petiole.

j) Leaf arrangement. Basal, radiate spirally from base.

k) Leaf color. (July 4th, 50% shade, Wisconsin) Margin of the leaf is yellow green nearest to RHS 144A. Dark green center color (about RHS 137A) extends between the veins irregularly into the margin to produce the distinctively lobed 'Palmate' variegation pattern. Margin assumes a deeper yellow color as season progresses and/or with greater exposure to sunshine.

l) Petiole description. a) About 15 cm (5.9 in.) in length, 2-3 cm (1.2 in.) in width b) Petiole color: Central region is green (about RHS 139C) with a yellow/green margin (about RHS 144A) c) Petiole surface: glaucous d) Petiole shape: Sulcate.

•Flower scape description:

a) Scape shape. round, solid.

b) Scape number. One per mature eye.

c) Scape posture. Straight, upright no arching.

d) Scape size. 45-75 cm (29.5 in.) long, 10-15 mm wide.

e) Scape color. green (about RHS 144A).

f) Scape surface. glaucous.

g) Leaf bracts. about 5-10 per scape, 4.0 cm (1.6 in.) length, 1.5 cm (0.6 in.) width, rigid, lanceolate in shape About RHS 136A in color, dull on upper surface, shiny on lower surface.

•Flower type:

a) Inflorescence type. Terminal racemes of single tubular-shaped flowers, closely spaced on the last 12 cm (4.7 in.) of the scape.

b) Lastingness of inflorescence. about 4 weeks from first opening bloom to fading of last opening bloom, individual blooms lasting about one day.

c) Flower number. 25-35.

d) Flower fragrance. none detected.

e) Flower shape. tubular.

f) Flower bud shape. Spathulate.

g) Flower bud color. Light lavender (about RHS 85B).

h) Flower size. 6 cm long, 1.5 cm (0.6 in.) wide.

i) Flower color. White (about RHS N155B) with lavender (about RHS 85A) striations on the inner surface.

j) Pedicel. About 5 mm in length, 2 mm in diameter, RHS 145A.

k) Perianth features. Comprised of six tepals, 3 internal, 3 external, overlapping in expanded region and fused in tube region.

l) Tepal shape. Oblanceolate with acute apex.

m) Tepal size. 6 cm in length and 1.5 cm (0.6 in.) in width.

n) Tepal color. White (about RHS N155B) with lavender (about RHS 85A) striations on the inner surface.

o) Tepal texture. Glaucous.

•  Reproductive organs:

•Gynoecium: a) 1 pistil; style is about 4cm in length and 1 mm in diameter, white in color; stigma is 3 lobed and white in color; ovary is superior, compound, composed of 3 locules RHS 145A in color.

•Androecium: 6 stamens; filament is about 4.0 cm (1.6 in.) in length and 1 mm in diameter, white in color, anthers are about 5 mm in length and 2 mm in width, RHS 199C in color. Pollen is abundant and RHS 15B in color.

•  Fruit: Not observed under growing conditions tested

•Seeds Not observed under growing conditions tested.

RHS Colour Chart - The Royal Horticultural Society in the United Kingdom has produced a color tool that resembles a paint chart with over 920 samples. It is used by horticulturists around the world to identify colors of flowers, fruits and plant parts in order to bring a level of consistency. Each color has its own unique name along with a number and letter code.

 
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