USPP14743P2 - Miscanthus plant named ‘Gilded Tower’ - Google Patents

Miscanthus plant named ‘Gilded Tower’ Download PDF

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Publication number
USPP14743P2
USPP14743P2 US10/348,581 US34858103V USPP14743P2 US PP14743 P2 USPP14743 P2 US PP14743P2 US 34858103 V US34858103 V US 34858103V US PP14743 P2 USPP14743 P2 US PP14743P2
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miscanthus
leaf
color
gilded
tower
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US10/348,581
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C. Greg Speichert
Roger Grounds
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/12Leaves
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/46Gramineae or Poaceae, e.g. ryegrass, rice, wheat or maize

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  • the present invention relates to a new and distinct cultivar of hybrid Miscanthus and will be referred to hereafter by its cultivar name, ‘Gilded Tower’.
  • ‘Gilded Tower’ represents a new cultivar of Giant Miscanthus, an ornamental grass grown for landscape use.
  • ‘Gilded Tower’ was discovered as a naturally occurring culm sport of the cultivar Miscanthus ‘Giganteus’ (unpatented), a cultivar of hybrid origin.
  • the new cultivar ‘Gilded Tower’ was selected for its unique leaf variegation pattern and is unlike any other known cultivars of Miscanthus known to the inventors.
  • ‘Gilded Tower’ has leaf variegation that is comprised of longitudinal yellow-green and deep green stripes that vary in width and a white mid-rib. Although the stripe width for each component color is variable, the coloration is present on all foliage and perpetuated through propagation.
  • Miscanthus ‘Giganteus’ has deep green foliage with a white mid-rib with no presence of yellow green variegation.
  • the new Miscanthus has not been observed under all possible environmental conditions.
  • the phenotype may vary somewhat with variations in temperature, day-length, light intensity, soil types, and water and fertility levels without, however, any variance in genotype.
  • the measurements, observations, and descriptions that follow describe plants grown outdoors for two years from a single culm division in St. John, Ind. These attributes in combination distinguish ‘Gilded Tower’ from any selections of Miscanthus known to the inventors.
  • foliage of ‘Gilded Tower’ is variegated with stripes of yellow-green and deep green with a while mid-rib. In the fall the variegation changes to shades of greyed-orange with areas of greyed purple and finally to an overall color that is a light greyed-orange.
  • the flowers of the new Miscanthus arise in late fall and are composed of arching, terminal panicles of slender, silky racemes that open a creamy white color with a purple-red tint and appear silvery as they mature.
  • ‘Gilded Tower’ is best grown in moisture-retentive soils in full sun but is tolerant to a wider range of growing conditions and tolerant of wind and partial shade.
  • the photograph on Sheet One shows the plant habit of ‘Gilded Tower’ when in bloom.
  • Botanical classification ‘Gilded Tower’ is a cultivar of Miscanthus of hybrid origin.
  • Blooming period Blooms in late fall or not at all in short growing seasons. Blooms are retained over the winter.
  • Plant habit Herbaceous, clump-forming, ornamental grass with an upright form and pendant, robust foliage.
  • Height and spread. 2 to 3 m in height bloom with a spread of 40 to 50 cm in a single growing season from a 3 culm division. Moderate vigor.
  • Root description Fibrous, well-banched, very dense root system. Slightly rhizomatous, with shoots arising from 5 to 10 cm from the base of the culms.
  • Propagation Culm division, best divided in spring when in active growth.
  • Culm color Ranges from 144D to 144B with occasional markings on the sheath edges of 59C.
  • Culm size 0.7 to 1.0 cm in diameter, 2 to 3 m in height from base to tip of flower panicle.
  • Internode length 6 to 18 cm.
  • Ligule Membranous area, 1 mm in height and 200B in color with very fine white hairs, 1 to 2 mm in length.
  • Leaf shape Linear, widest at base through the mid-point then narrowing to a point at apex.
  • Leaf persistence Some loss of lower leaves during the growing season, those that remain are persistent through winter.
  • Leaf attachment Sheathed.
  • Leaf is sheathed from the base of culm and the blade extends out from the culm at a node. Sheath margins are overlapping with a gradually opening at 4 to 5 cm below the node.
  • Leaf size 2 to 2.5 cm at base, 2 to 3 cm at mid-point, then tapering to a point at the apex. 24 to 36 cm in length.
  • Leaf arrangement Alternate.
  • Leaf color. Upper and lower leaves exhibit the same coloration, with the exception of the white mid-rib, which is present on the upper surface only.
  • Panicle size Approximately 30 cm in length and 12 cm in width.
  • Panicle color Emerges creamy white (effectively 158A) tinted with purple-red (187C) and changes to a silvery color during plant dormancy (effectively 202D).
  • Rachis size 13 to 18 cm in length, continuous with culm.
  • Rachis number Approximately 50.
  • Spikelet bud Emerge with spiklet surrounded by closed glumes, 4 mm in length and 1 mm in width with fine white hairs up to 1 cm in length.
  • Spikelet size 5 mm in length and 2 mm in width (excluding hairs).
  • Spikelet hairs Emerging from the base as a ring, long (up to 1.2 cm in length, very fine.
  • Spikelet pedicel. Unequal in length in the pairs, 1 mm and 3 mm, 161 in color.
  • Lemmas. Lower, sterile flower, papery and translucent 4 mm in length and 0.5 mm in width. No lemma observed for upper fertile flower.
  • Androecium Anthers; 2.5 mm in length, 0.75 mm in width, color is 187C changing to 187A, basofixed on very short filament (0.5 mm). Pollen is moderate in quality, 165D in color, longitudinally dehiscence.
  • Gynoecium Pistil; 1, 2 plumose stigmas, 1.5 mm in length, 0.5 mm in width, color is 187C changing to 187A. Ovary; 1-locular, superior, minute, not easily quantifiable in size and color.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

Miscanthus ‘Gilded Tower’, a sport of Miscanthus ‘Giganteus’, is a new and unique cultivar that is characterized by its variegated foliage of yellow-green and deep green stripes with a white mid-rib.

Description

BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of hybrid Miscanthus and will be referred to hereafter by its cultivar name, ‘Gilded Tower’. ‘Gilded Tower’ represents a new cultivar of Giant Miscanthus, an ornamental grass grown for landscape use.
The inventors discovered and selected the new cultivar, ‘Gilded Tower’, in a cultivated garden in Lymington, Hampshire, United Kingdom in the fall of 1998. ‘Gilded Tower’ was discovered as a naturally occurring culm sport of the cultivar Miscanthus ‘Giganteus’ (unpatented), a cultivar of hybrid origin.
The new cultivar ‘Gilded Tower’ was selected for its unique leaf variegation pattern and is unlike any other known cultivars of Miscanthus known to the inventors. ‘Gilded Tower’ has leaf variegation that is comprised of longitudinal yellow-green and deep green stripes that vary in width and a white mid-rib. Although the stripe width for each component color is variable, the coloration is present on all foliage and perpetuated through propagation.
The parent plant, Miscanthus ‘Giganteus’ has deep green foliage with a white mid-rib with no presence of yellow green variegation.
Asexual reproduction of the new cultivar was first accomplished by culm division in Lymington, Hampshire, United Kingdom in the fall of 1998 by the inventors. The characteristics of this cultivar have been determined to be stable and are reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and represent the characteristics of the new cultivar. The new Miscanthus has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in temperature, day-length, light intensity, soil types, and water and fertility levels without, however, any variance in genotype. The measurements, observations, and descriptions that follow describe plants grown outdoors for two years from a single culm division in St. John, Ind. These attributes in combination distinguish ‘Gilded Tower’ from any selections of Miscanthus known to the inventors.
1. The foliage of ‘Gilded Tower’ is variegated with stripes of yellow-green and deep green with a while mid-rib. In the fall the variegation changes to shades of greyed-orange with areas of greyed purple and finally to an overall color that is a light greyed-orange.
2. The flowers of the new Miscanthus arise in late fall and are composed of arching, terminal panicles of slender, silky racemes that open a creamy white color with a purple-red tint and appear silvery as they mature.
3. The plant habit of ‘Gilded Tower’ is upright with robust, pendant foliage. It is clump-forming and herbaceous, with persistence of leaf and flower panicles throughout the winter. There is some loss of lower leaves during the growing season.
4. ‘Gilded Tower’ is best grown in moisture-retentive soils in full sun but is tolerant to a wider range of growing conditions and tolerant of wind and partial shade.
BRIEF DESCRIPTION OF THE DRAWING
The photographs used in these drawings were taken of a 2 year old plant grown from a single culm division of ‘Gilded Tower’ and grown outdoors in a trial bed in St. John, Ind.
The photograph on Sheet One shows the plant habit of ‘Gilded Tower’ when in bloom.
The two photographs on Sheet Two give a representation of the foliage variegation. The colors in the photographs are as close as possible with conventional photography.
BOTANICAL DESCRIPTION OF THE PLANT
The following is a detailed description of the new cultivar as grown in an outdoor trial bed for two years in St. John, Ind. The color determination is in accordance with the 1995 R.H.S. Colour Chart of The Royal Horticultural Society, London, England, except where general color terms of ordinary dictionary significance are used.
Botanical classification: ‘Gilded Tower’ is a cultivar of Miscanthus of hybrid origin.
Commercial classification: ‘Gilded Tower’ Giant Miscanthus.
Parentage: Culm sport of Miscanthus ‘Giganteus’, a cultivar of Miscanthus of hybrid origin.
General description:
Blooming period.—Blooms in late fall or not at all in short growing seasons. Blooms are retained over the winter.
Plant habit.—Herbaceous, clump-forming, ornamental grass with an upright form and pendant, robust foliage.
Height and spread.—2 to 3 m in height bloom with a spread of 40 to 50 cm in a single growing season from a 3 culm division. Moderate vigor.
Hardiness.—Zone 4 to 9.
Culture.—Grows best in fertile, moist soil in full sun. Tolerant to wind and partial shade; however, lodging will occur if grown in too much shade.
Diseases and pests.—No susceptibility or resistance to diseases or pests that affect Miscanthus has been observed.
Root description.—Fibrous, well-banched, very dense root system. Slightly rhizomatous, with shoots arising from 5 to 10 cm from the base of the culms.
Growth and propagation:
Propagation.—Culm division, best divided in spring when in active growth.
Time required for root development from a single division.—A 3 culm division planted in a bark-based media will fully develop roots in a 5 gallon container in 3 to 4 month, grown outdoors under standard summer temperatures and natural lighting.
Culm (stem) description:
General.—Cylindrical, pithy, reed-like, erect, sheathed.
Culm color.—Ranges from 144D to 144B with occasional markings on the sheath edges of 59C.
Culm size.—0.7 to 1.0 cm in diameter, 2 to 3 m in height from base to tip of flower panicle.
Stem surface.—Glabrous.
Internode length.—6 to 18 cm.
Ligule.—Membranous area, 1 mm in height and 200B in color with very fine white hairs, 1 to 2 mm in length.
Foliage description:
Leaf shape.—Linear, widest at base through the mid-point then narrowing to a point at apex.
Leaf division.—Simple.
Leaf base.—Sheathed.
Leaf apex.—Acute.
Leaf aspect.—Pendant, leaves are flat to slightly involute.
Leaf venation.—Parallel, the midrib is distinct and recessed on the upper surface, mid-rib color is 155D on upper surface only.
Leaf margins.—Entire.
Leaf persistence.—Some loss of lower leaves during the growing season, those that remain are persistent through winter.
Leaf attachment.—Sheathed. Leaf is sheathed from the base of culm and the blade extends out from the culm at a node. Sheath margins are overlapping with a gradually opening at 4 to 5 cm below the node.
Leaf size.—2 to 2.5 cm at base, 2 to 3 cm at mid-point, then tapering to a point at the apex. 24 to 36 cm in length.
Leaf number.—12 to 18.
Leaf arrangement.—Alternate.
Leaf surface.—Glabrous on upper and lower surface.
Leaf color.—Upper and lower leaves exhibit the same coloration, with the exception of the white mid-rib, which is present on the upper surface only.
Flower description:
General description.—Compact panicle, composed of numerous, slender, pubescent racemes, cascading to one side, spikelets arranged in two equal pairs, 2 flowers per spikelet. Upper flower is hermaphrodite, lower flower is sterile.
Lastingness of inflorescence.—Panicles are persistent from fall through winter.
Fragrance.—None.
Panicle size.—Approximately 30 cm in length and 12 cm in width.
Panicle color.—Emerges creamy white (effectively 158A) tinted with purple-red (187C) and changes to a silvery color during plant dormancy (effectively 202D).
Rachis size.—13 to 18 cm in length, continuous with culm.
Rachis number.—Approximately 50.
Rachis color.—161B.
Spikelet bud.—Emerge with spiklet surrounded by closed glumes, 4 mm in length and 1 mm in width with fine white hairs up to 1 cm in length.
Spikelet size.—5 mm in length and 2 mm in width (excluding hairs).
Spikelet hairs.—Emerging from the base as a ring, long (up to 1.2 cm in length, very fine.
Spikelet pedicel.—Unequal in length in the pairs, 1 mm and 3 mm, 161 in color.
Glumes.—2, 164 in color, equal in size, 4 mm in length and 1 mm in width, lanceolate in shape, awn-less.
Lemmas.—Lower, sterile flower, papery and translucent 4 mm in length and 0.5 mm in width. No lemma observed for upper fertile flower.
Reproductive organs:
Androecium.—Anthers; 2.5 mm in length, 0.75 mm in width, color is 187C changing to 187A, basofixed on very short filament (0.5 mm). Pollen is moderate in quality, 165D in color, longitudinally dehiscence.
Gynoecium.—Pistil; 1, 2 plumose stigmas, 1.5 mm in length, 0.5 mm in width, color is 187C changing to 187A. Ovary; 1-locular, superior, minute, not easily quantifiable in size and color.
Caryopsis.—None observed.

Claims (1)

What is claimed is:
1. A new and distinct cultivar of Miscanthus plant named ‘Gilded Tower’ substantially as herein illustrated and described.
US10/348,581 2003-01-21 2003-01-21 Miscanthus plant named ‘Gilded Tower’ Expired - Lifetime USPP14743P2 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050001359A1 (en) * 2000-08-09 2005-01-06 Heribert Hohn Method for producing concrete or mortar using a vegetal aggregate
EP2659771A1 (en) 2009-07-20 2013-11-06 Ceres, Inc. Transgenic plants having increased biomass
US9101100B1 (en) 2014-04-30 2015-08-11 Ceres, Inc. Methods and materials for high throughput testing of transgene combinations
US9441233B2 (en) 2010-05-06 2016-09-13 Ceres, Inc. Transgenic plants having increased biomass
US9562236B2 (en) 2011-08-12 2017-02-07 Ceres, Inc. Transcription terminators
US9828608B2 (en) 2010-10-27 2017-11-28 Ceres, Inc. Transgenic plants having altered biomass composition
US9938536B2 (en) 2011-11-02 2018-04-10 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US10323256B2 (en) 2011-12-09 2019-06-18 Ceres, Inc. Transgenic plants having altered biomass composition
USPP35115P2 (en) * 2021-05-19 2023-04-18 Brian Robinson Miscanthus plant named ‘Sunlit Satin’
USPP35138P2 (en) * 2021-05-19 2023-04-25 Brian Robinson Miscanthus plant named ‘Red Zenith’

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050001359A1 (en) * 2000-08-09 2005-01-06 Heribert Hohn Method for producing concrete or mortar using a vegetal aggregate
US7407615B2 (en) * 2000-08-09 2008-08-05 Miscanthus-Holding, S.A. Method for producing concrete or mortar using a vegetal aggregate
EP3437466A1 (en) 2009-07-20 2019-02-06 Ceres, Inc. Transgenic plants having increased biomass
EP2659771A1 (en) 2009-07-20 2013-11-06 Ceres, Inc. Transgenic plants having increased biomass
US11162108B2 (en) 2009-07-20 2021-11-02 Ceres, Inc. Transgenic plants having increased biomass
US12516339B2 (en) 2009-07-20 2026-01-06 Ceres, Inc. Transgenic plants having increased biomass
US12319921B2 (en) 2009-07-20 2025-06-03 Ceres, Inc. Transgenic plants having increased biomass
US9441233B2 (en) 2010-05-06 2016-09-13 Ceres, Inc. Transgenic plants having increased biomass
US9828608B2 (en) 2010-10-27 2017-11-28 Ceres, Inc. Transgenic plants having altered biomass composition
US12391954B2 (en) 2010-10-27 2025-08-19 Ceres, Inc. Transgenic plants having altered biomass composition
US11667925B2 (en) 2010-10-27 2023-06-06 Ceres, Inc. Transgenic plants having altered biomass composition
US9562236B2 (en) 2011-08-12 2017-02-07 Ceres, Inc. Transcription terminators
US10472646B2 (en) 2011-11-02 2019-11-12 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US10557143B2 (en) 2011-11-02 2020-02-11 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US9938536B2 (en) 2011-11-02 2018-04-10 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US11254948B2 (en) 2011-11-02 2022-02-22 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US12188033B2 (en) 2011-11-02 2025-01-07 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US11339403B2 (en) 2011-11-02 2022-05-24 Ceres, Inc. Transgenic plants having increased tolerance to aluminum
US10815496B2 (en) 2011-12-09 2020-10-27 Ceres, Inc. Transgenic plants having altered biomass composition
US11299747B2 (en) 2011-12-09 2022-04-12 Ceres, Inc. Transgenic plants having altered biomass composition
US10822616B2 (en) 2011-12-09 2020-11-03 Ceres, Inc. Transgenic plants having altered biomass composition
US10323256B2 (en) 2011-12-09 2019-06-18 Ceres, Inc. Transgenic plants having altered biomass composition
US9101100B1 (en) 2014-04-30 2015-08-11 Ceres, Inc. Methods and materials for high throughput testing of transgene combinations
USPP35138P2 (en) * 2021-05-19 2023-04-25 Brian Robinson Miscanthus plant named ‘Red Zenith’
USPP35115P2 (en) * 2021-05-19 2023-04-18 Brian Robinson Miscanthus plant named ‘Sunlit Satin’

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