USPP13821P2 - Corylopsis spicata plant named ‘Golden Spring’ - Google Patents

Corylopsis spicata plant named ‘Golden Spring’ Download PDF

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Publication number
USPP13821P2
USPP13821P2 US09/544,008 US54400800V USPP13821P2 US PP13821 P2 USPP13821 P2 US PP13821P2 US 54400800 V US54400800 V US 54400800V US PP13821 P2 USPP13821 P2 US PP13821P2
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Prior art keywords
corylopsis
spicata
color
plant named
long
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US09/544,008
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Seiju Yamaguchi
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Treesap Farms LLC
Wells Fargo Bank NA
Bankers Trust Co
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Hines Nurseries Inc
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy

Definitions

  • the present invention relates to a new and distinct variety of Corylopsis spicata Sieb. & Zucc. which was discovered as a chance seedling (natural mutation) in a controlled planting of Corylopsis spicata (unnamed, unpatented) by Mr. Seiju Yamaguchi, in Gifu Prefecture, Japan.
  • the varietal denomination of the new variety is ‘GOLDEN SPRING’.
  • the genus Corylopsis is included in the family Hamamelidaceae which comprises about 28 genera and 90 species of deciduous or evergreen trees and shrubs growing in the northern and southern hemispheres.
  • the genus is currently in taxonomic flux with the reported number of species ranging from 12 to 30, inhabiting the region from Bhutan to Japan; all species are deciduous. They are generally spreading shrubs or, rarely, small trees with the primary ornamental feature being early spring blooms.
  • Corylopsis spicata is native to Japan and has alternate, simple leaves, 4 to 11 cm long, 4 to 9 cm wide, orbicular-ovate or orbicular-obovate, acuminate to abruptly short acuminate, base rounded to cordate to obliquely cordate, glabrous above, glaucous and pubescent beneath, sinuate-denticulate with bristle-like teeth, palmately veined with 6 to 7 pronounced vein pairs, petiole 1 to 2.5 cm long and densely pubescent.
  • the new growth is purplish, alter becoming dull dark to blue green.
  • the new variety was discovered as a chance seedling (natural mutation) in a controlled planting and differs from its parent in having striking yellow foliage.
  • Asexual reproduction of the new variety by grafting in Gifu Prefecture, Japan and Lewisberry, Pa. has confirmed that the distinctive characteristics of the new variety are stable and transmitted to succeeding generations, and the new variety reproduces true to type.
  • ‘GOLDEN SPRING’ is distinguished from its parent and all other varieties of Corylopsis spicata of which I am aware in showing a distinctive yellow foliage color rather than the bluish-green color of the parent.
  • FIG. 1 illustrates the distinctive golden yellow foliage of the new variety.
  • Propagation By grafting and vegetative cuttings.
  • Mature plant can be 1.5 to 3 meters high with a spread of about 2 to 4 meters at maturity.
  • Leaf shape Simple, orbicular-ovate or orbicular-obovate.
  • Base. Rounded to cordate to obliquely cordate.
  • Leaf size 4 to 11 cm long, 4 to 9 cm wide.
  • Leaf margin Sinuate-denticulate with bristle-like teeth.
  • Venation Palmately veined with 6 to 7 vein pairs.
  • Immature leaf color Near Yellow Group 4A and 5B; margins near Red-Purple Group 58A.
  • Mature leaf color Near Yellow Group 4A and 5B.
  • Petioles Petiole 1 to 2.5 cm long and densely pubescent.
  • Vigor Moderately vigorous; younger specimens grow to 50 cm per year.
  • Pests/diseases No resistance or susceptibility to pests or disease problems beyond that of the species has been noted.
  • Color of mature leaves (Color readings from conditions in July, Forest Grove, Oreg., under 50% shade) Near 4A, Near 5B.
  • Lastingness of individual bloom 2 to 3 weeks.
  • Floral arrangement Pendulous spike with 7 to 10 sessile flowers, each flower subtended by a single bract, borne on previous season's growth.
  • Bracts are concave, 3-lobed; approximately 2 mm to 7 mm long, the longer bracts located at the base of the spike; the entire spike is subtended by several concave bracts approximately 12 mm to 15 mm long.
  • Flower size 10 mm to 12 mm long; 8 mm to 10 mm wide.
  • Size 1 mm to 2 mm long; less than 1 mm across.
  • Stamens 5; about 10 mm to 12 mm long; near Yellow-Green Group 150C; abaxial portion is pale reddish green.
  • Pistils 1; Near Yellow-Green Group 150C.
  • Anthers Near Red-Purple Group 59A.
  • Fruit 2-beaked capsule, pubescent, 7 to 8 mm across.
  • Seed capsule color Near Greyed Orange Group 166C. Seed color: Near Brown Group 200B.

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

Abstract

A new plant variety of Corylopsis spicata characterized by having distinctively yellow colored foliage during the growing season.

Description

BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct variety of Corylopsis spicata Sieb. & Zucc. which was discovered as a chance seedling (natural mutation) in a controlled planting of Corylopsis spicata (unnamed, unpatented) by Mr. Seiju Yamaguchi, in Gifu Prefecture, Japan. The varietal denomination of the new variety is ‘GOLDEN SPRING’.
The genus Corylopsis is included in the family Hamamelidaceae which comprises about 28 genera and 90 species of deciduous or evergreen trees and shrubs growing in the northern and southern hemispheres. The genus is currently in taxonomic flux with the reported number of species ranging from 12 to 30, inhabiting the region from Bhutan to Japan; all species are deciduous. They are generally spreading shrubs or, rarely, small trees with the primary ornamental feature being early spring blooms.
Corylopsis spicata is native to Japan and has alternate, simple leaves, 4 to 11 cm long, 4 to 9 cm wide, orbicular-ovate or orbicular-obovate, acuminate to abruptly short acuminate, base rounded to cordate to obliquely cordate, glabrous above, glaucous and pubescent beneath, sinuate-denticulate with bristle-like teeth, palmately veined with 6 to 7 pronounced vein pairs, petiole 1 to 2.5 cm long and densely pubescent. The new growth is purplish, alter becoming dull dark to blue green.
Flowers of Corylopsis spicata are fragrant, bright yellow and borne in 6 to 12 flowered, 2 to 6 cm long pendulous pubescent racemes in early to mid spring.
SUMMARY OF THE INVENTION
The new variety was discovered as a chance seedling (natural mutation) in a controlled planting and differs from its parent in having striking yellow foliage. Asexual reproduction of the new variety by grafting in Gifu Prefecture, Japan and Lewisberry, Pa. has confirmed that the distinctive characteristics of the new variety are stable and transmitted to succeeding generations, and the new variety reproduces true to type.
COMPARISON WITH PARENT
‘GOLDEN SPRING’ is distinguished from its parent and all other varieties of Corylopsis spicata of which I am aware in showing a distinctive yellow foliage color rather than the bluish-green color of the parent.
The accompanying photographic illustration shows a specimen of the new cultivar as true to color as is reasonably possible to make in an illustration of this character.
FIG. 1 illustrates the distinctive golden yellow foliage of the new variety.
DETAILED DESCRIPTION OF THE NEW VARIETY
‘GOLDEN SPRING’ has not been observed under all possible environmental, cultural, and light conditions. The following observations and descriptions are of 7-year-old plants grown in 5-gallon nursery containers in under conditions in July, in Forest Grove, Oreg., under 50% shade. In this description, color references are to The Royal Horticultural Society Colour Chart (1995) and terminology used in the color descriptions herein refers to plate numbers in this color chart. Phenotypic expression may vary with light intensity, cultural, and environmental conditions.
CLASSIFICATION
Botanical: Corylopsis spicata Sieb. & Zucc. ‘GOLDEN SPRING’.
Parentage: Chance seedling (natural mutation) in a controlled planting of Corylopsis spicata (unnamed, unparented).
Propagation: By grafting and vegetative cuttings.
PLANT
Size: Mature plant can be 1.5 to 3 meters high with a spread of about 2 to 4 meters at maturity.
Habit: A wide, spreading shrub often twice as wide as high.
LEAF DESCRIPTION
Arrangement: Alternate.
Leaf shape: Simple, orbicular-ovate or orbicular-obovate.
Apex.—Acuminate to abruptly short acuminate.
Base.—Rounded to cordate to obliquely cordate.
Leaf size: 4 to 11 cm long, 4 to 9 cm wide.
Leaf margin: Sinuate-denticulate with bristle-like teeth.
Leaf texture and substance:
Adaxial.—Glabrous.
Abaxial.—Glaucous and pubescent.
Venation: Palmately veined with 6 to 7 vein pairs.
Immature leaf color: Near Yellow Group 4A and 5B; margins near Red-Purple Group 58A.
Mature leaf color: Near Yellow Group 4A and 5B.
Petioles: Petiole 1 to 2.5 cm long and densely pubescent.
Hardiness: USDA Zone 5 (−20° to −10° F.).
Vigor: Moderately vigorous; younger specimens grow to 50 cm per year.
Pests/diseases: No resistance or susceptibility to pests or disease problems beyond that of the species has been noted.
Color of mature leaves: (Color readings from conditions in July, Forest Grove, Oreg., under 50% shade) Near 4A, Near 5B.
Hardiness.—USDA Zone 5 (−20° to −10° F.).
INFLORESCENCE
Bloom period: March, before foliage emerges, through April.
Lastingness of individual bloom: 2 to 3 weeks.
Floral arrangement: Pendulous spike with 7 to 10 sessile flowers, each flower subtended by a single bract, borne on previous season's growth.
Bracts: Bracts are concave, 3-lobed; approximately 2 mm to 7 mm long, the longer bracts located at the base of the spike; the entire spike is subtended by several concave bracts approximately 12 mm to 15 mm long.
Flower size: 10 mm to 12 mm long; 8 mm to 10 mm wide.
Sepals:
Average quantity of sepals.—5.
Shape.—Obovate; acutely pointed.
Aspect.—Concave.
Size.—1 mm to 2 mm long; less than 1 mm across.
Color.—Near Yellow-Green Group 150C.
Bracts.—Pubescent, especially when young, glabrous on outside.
Calyx.—Nearly glabrous.
Buds.—Shape; Ovoid; acute apices. Size: 8 mm to 10 mm long.
Fragrance: None noted.
REPRODUCTIVE SYSTEM
Stamens: 5; about 10 mm to 12 mm long; near Yellow-Green Group 150C; abaxial portion is pale reddish green.
Pistils: 1; Near Yellow-Green Group 150C.
Anthers: Near Red-Purple Group 59A. Fruit: 2-beaked capsule, pubescent, 7 to 8 mm across.
Seed capsule color: Near Greyed Orange Group 166C. Seed color: Near Brown Group 200B.

Claims (1)

I claim:
1. A new plant variety of Corylopsis spicata of the variety substantially
US09/544,008 2000-04-06 2000-04-06 Corylopsis spicata plant named ‘Golden Spring’ Expired - Lifetime USPP13821P2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/544,008 USPP13821P2 (en) 2000-04-06 2000-04-06 Corylopsis spicata plant named ‘Golden Spring’

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/544,008 USPP13821P2 (en) 2000-04-06 2000-04-06 Corylopsis spicata plant named ‘Golden Spring’

Publications (1)

Publication Number Publication Date
USPP13821P2 true USPP13821P2 (en) 2003-05-20

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