USPP13446P2 - Scabiosa plant named ‘Walminiblue’ - Google Patents

Scabiosa plant named ‘Walminiblue’ Download PDF

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Publication number
USPP13446P2
USPP13446P2 US09/962,382 US96238201V USPP13446P2 US PP13446 P2 USPP13446 P2 US PP13446P2 US 96238201 V US96238201 V US 96238201V US PP13446 P2 USPP13446 P2 US PP13446P2
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Prior art keywords
walminiblue
plant
scabiosa
color
blue
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US09/962,382
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David Ralph Tristram
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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
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • 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 cultivar of Scabiosa plant, botanically known as Scabiosa columbaria and will be referred to hereafter by its cultivar name ‘Walminiblue’.
  • Scabiosa columbaria is a hardy perennial grown for landscape use.
  • ‘Walminiblue’ was discovered in 1988 by the inventor at his nursery in West Wales, England. ‘Walminiblue’ was discovered as a naturally occurring mutation, amongst a large crop of Scabiosa columbaria ‘Butterfly Blue’ (un-patented). The new invention was discovered as a whole plant, however it originated as a single cutting taken from ‘Butterfly Blue’. Several selections were discovered and observed before ‘Walminiblue’ was selected as unique and desirable for its characteristics of plant size, plant habit, flower color, and sterility.
  • the new variety of Scabiosa can be characterized by its smaller size: the foliage dimensions, diameter of the flower heads and the height of the plant are less in comparison to the parent plant, ‘Butterfly Blue’.
  • the new invention has never set fruit and all flowers observed have been self-sterile. Near self-sterility is a characteristic of ‘Butterfly Blue’ and the inventor's Scabiosa variety ‘Pink Mist’ (U.S. Plant Pat. No. 8,957), however, it is not a characteristic of any other commercial cultivars of Scabiosa columbaria known to the inventor.
  • the flower color of ‘Walminiblue’ is deeper and more blue in comparison to ‘Butterfly Blue’.
  • the new cultivar is similar to both ‘Butterfly Blue’ and ‘Pink Mist’ in that it has a compact habit and has a continuous and prolific flowering habit.
  • ‘Walminiblue’ is smaller in height and has less of a spread in comparison to ‘Butterfly Blue’. ‘Walminiblue’ attains 10 to 18 cm in height and 10 to 20 cm in width while ‘Butterfly Blue’ attains 15 to 30 cm in height and 17 to 30 cm in width, dependent on growing conditions.
  • the flowers of ‘Walminiblue’ are smaller than those of Butterfly Blue, ranging from 2.5 to 4.3 cm in diameter while the flower size of ‘Butterfly Blue’ ranges from 4.0 to 6.0 cm in diameter. This range in flower size is found on a single plant.
  • the flowers of ‘Walminiblue’ are lavender blue tending towards pure blue and are deeper in color than ‘Butterfly Blue’.
  • the flowers of ‘Walminiblue’ are typically 92A whereas those of ‘Butterfly Blue’ are typically 91A-91B.
  • ‘Walminiblue’ blooms continuously and profusely from early spring until frost. Typically, there are 10-12 flower heads showing color at one time.
  • the photograph on Sheet 1 is of a 6 month-old plant of ‘Walminiblue’ as grown in a one-gallon container. The plant was grown in a greenhouse in Encinitas, Calif. under natural lighting and with an average daytime temperature of 75° F. and an average nighttime temperature of 70° F.
  • the photograph on Sheet 2 is a close-up of recently opened flowers.
  • the colors in these photographs are as accurate as could be obtained by conventional photography.
  • the flower color is pinker in the photographs due to the difficulty in accurately capturing blue tones with photographic film.
  • Botanical classification Scabiosa columbaria ‘Walminiblue’.
  • Height and spread. 10 to 18 cm in height in bloom (bloom stalks vary in height) and 10 to 20 cm in spread depending on growing conditions.
  • Type. Hardy herbaceous perennial.
  • Propagation By terminal tip cuttings and division.
  • Root system Fibrous, branching.
  • Time to initiate roots. 10 to 15 days in the summer months at temperatures of 64° F. to 72° F. and 15 to 20 days in the winter months at temperatures of 53° F. to 60° F.
  • Vigor. A rooted cutting will establish roots and initiate flowers in a six-inch container after 15 weeks at an average temperature of 75° F. and constant fertilizer feed of 20-10-20 at a rate of 175 ppm Nitrogen.
  • Powdery mildew is the only known disease known to be a problem in the garden.
  • Basal leaves Simple, opposite arrangement, obovate to oblanceolate, entire to coarsely lobed with lobes and apex rounded, 5.0 to 10 cm in length and 1.5 to 2.5 cm in width.
  • Flowering stem leaves Simple, obovate, pinnafid to pinnatisect with up to seven pinnae on each side, leaftlets are opposite or alternately arranged, lobes are ovate to lanceolate, apices of leaf and leaflets are acute. Stem leaves are 5.0 to 12.0 cm in length and 2.0 to 3.0 in width.
  • Venation. Not prominent, with the exception of the mid-rib on the lower portion of the basal leaves, color 139D (upper and lower surface).
  • Size 1.5-3.0 mm in diameter in width, 10 to 18 cm in height with the longer stems occurring when temperatures are warmer, above 75° F.
  • Branching Initially none, but as the flower stem elongates, lateral branches are produced, each with a single flower head.
  • Type. Terminal flat heads, regular to slightly irregular, round, numerous with outer florets that are larger than the inner florets.
  • Lastingness of the flowers Approximately one week, not self cleaning; bristled calyx and involucral bracts are persistent.
  • Buds. Dome-shaped, emerge 143D and 5.0 mm in diameter, gradually changing to the petal color 92A, with a diameter of 1.0 cm.
  • Involucral bracts 10-15 in a single row, held horizontally, linear-lanceolate, apex acute, length ranges from 5.0 mm to 12.0 mm, width ranges from 1.5 mm to 3.0 mm, base of bract is 145A, portion of bract extended beyond flower head is 137A, pubescent.
  • Calyx Densely packed to from a receptacle-like structure. Cupular, composed of 5 united sepals, 144 C, 1.5 mm in width and 2.0 mm in height with a bristle, 202A, extending 2.0 mm in length beyond each sepal. Entire Calyx is persistent.
  • Outer florets are 8 to 15 mm in length and 4 to 6 mm in width, approximately 15-30 ray florets per inflorescence, color 92A that fades to 91A with maturity on both surfaces.
  • Inner florets are 4-7 mm in length and 2-3 mm in width, approximately 50-120 disc florets per inflorescence, color 92A on both surfaces, fading to 91A and then fading to 159D at maturity.
  • Stamens 4, partially fused, can be included or extend up to 4 mm above corolla in early stages of flowering and then are not visible, 68D in color, no pollen was observed to date.
  • Pistil. One, 159D, clearly visible in later stage of flowering, extending up to 6.0 mm beyond corolla, superior ovary.
  • Fruit/seed. Fruit production has not been observed to date, presumed to be sterile.

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

Abstract

A new cultivar of Scabiosa columbaria named ‘Walminiblue’ that is characterized by its small plant size, compact plant habit, proportionately sized, intensely colored lavender blue flowers, prolific and continuous flowering, and sterility.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is co-pending with another application entitled Scabiosa Plant Named ‘Walminipink’ (application Ser. No. 09/962,381).
LATIN NAME OF THE GENUS AND SPECIES
Scabiosa columbaria.
VARIETY DENOMINATON
‘Walminiblue’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Scabiosa plant, botanically known as Scabiosa columbaria and will be referred to hereafter by its cultivar name ‘Walminiblue’. Scabiosa columbaria is a hardy perennial grown for landscape use.
The new cultivar, ‘Walminiblue’, was discovered in 1988 by the inventor at his nursery in West Sussex, England. ‘Walminiblue’ was discovered as a naturally occurring mutation, amongst a large crop of Scabiosa columbaria ‘Butterfly Blue’ (un-patented). The new invention was discovered as a whole plant, however it originated as a single cutting taken from ‘Butterfly Blue’. Several selections were discovered and observed before ‘Walminiblue’ was selected as unique and desirable for its characteristics of plant size, plant habit, flower color, and sterility.
The new variety of Scabiosa can be characterized by its smaller size: the foliage dimensions, diameter of the flower heads and the height of the plant are less in comparison to the parent plant, ‘Butterfly Blue’. The new invention has never set fruit and all flowers observed have been self-sterile. Near self-sterility is a characteristic of ‘Butterfly Blue’ and the inventor's Scabiosa variety ‘Pink Mist’ (U.S. Plant Pat. No. 8,957), however, it is not a characteristic of any other commercial cultivars of Scabiosa columbaria known to the inventor. The flower color of ‘Walminiblue’ is deeper and more blue in comparison to ‘Butterfly Blue’. The new cultivar is similar to both ‘Butterfly Blue’ and ‘Pink Mist’ in that it has a compact habit and has a continuous and prolific flowering habit.
Asexual reproduction of the new cultivar was first accomplished by taking cuttings in West Sussex, England by the inventor in 1988. The characteristics of this cultivar have been determined to be stable and are reproduced true to type in successive generations both by vegetative cuttings and by tissue culture.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and are determined to be the basic characteristics of the new cultivar. These attributes in combination distinguish the new invention from wild forms of Scabiosa columbaria and distinguish it as a new and distinct cultivar. ‘Walminiblue’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic, and cultural conditions:
1. ‘Walminiblue’ is smaller in height and has less of a spread in comparison to ‘Butterfly Blue’. ‘Walminiblue’ attains 10 to 18 cm in height and 10 to 20 cm in width while ‘Butterfly Blue’ attains 15 to 30 cm in height and 17 to 30 cm in width, dependent on growing conditions.
2. The plant habit of ‘Walminiblue’ is compact with a tight rosette of basal growth.
3. The flowers of ‘Walminiblue’ are smaller than those of Butterfly Blue, ranging from 2.5 to 4.3 cm in diameter while the flower size of ‘Butterfly Blue’ ranges from 4.0 to 6.0 cm in diameter. This range in flower size is found on a single plant.
4. The flowers of ‘Walminiblue’ are lavender blue tending towards pure blue and are deeper in color than ‘Butterfly Blue’. The flowers of ‘Walminiblue’ are typically 92A whereas those of ‘Butterfly Blue’ are typically 91A-91B.
5. ‘Walminiblue’ blooms continuously and profusely from early spring until frost. Typically, there are 10-12 flower heads showing color at one time.
6. The flowers of ‘Walminiblue’ are presumed to be sterile, as fruit set has not been observed to date.
BRIEF DESCRIPTION OF THE DRAWING
The photograph on Sheet 1 is of a 6 month-old plant of ‘Walminiblue’ as grown in a one-gallon container. The plant was grown in a greenhouse in Encinitas, Calif. under natural lighting and with an average daytime temperature of 75° F. and an average nighttime temperature of 70° F.
The photograph on Sheet 2 is a close-up of recently opened flowers. The colors in these photographs are as accurate as could be obtained by conventional photography. The flower color is pinker in the photographs due to the difficulty in accurately capturing blue tones with photographic film.
BOTANICAL DESCRIPTION OF THE PLANT
The following is a detailed botanical description of the new cultivar as grown under greenhouse conditions in Encinitas, Calif. The 6-month old plant was grown under natural lighting with an average daytime temperature of 75° F. and an average nighttime temperature of 70° C. and a constant feed of 20-10-20 fertilizer at a rate of 175 ppm Nitrogen. General plant descriptions describe a plant as observed in the garden in West Sussex, England for 6 years. The color determination is in accordance with The 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: Scabiosa columbaria ‘Walminiblue’.
Market classification: Hardy perennial for landscape use.
Parentage: Naturally occurring mutation of Scabiosa columbaria ‘Butterfly Blue’ (not patented).
Plant description:
Blooming period.—Natural flowering season is from early spring until frost in the Northern hemisphere.
Plant habit.—Dense, mounded rosette with upright flowering stems.
Height and spread.—10 to 18 cm in height in bloom (bloom stalks vary in height) and 10 to 20 cm in spread depending on growing conditions.
Hardiness.—Zone 3-9.
Type.—Hardy herbaceous perennial.
Propagation.—By terminal tip cuttings and division.
Root system.—Fibrous, branching.
Time to initiate roots.—10 to 15 days in the summer months at temperatures of 64° F. to 72° F. and 15 to 20 days in the winter months at temperatures of 53° F. to 60° F.
Vigor.—A rooted cutting will establish roots and initiate flowers in a six-inch container after 15 weeks at an average temperature of 75° F. and constant fertilizer feed of 20-10-20 at a rate of 175 ppm Nitrogen.
Culture.—Well drained soils of average fertility in full sun.
Diseases and pests.—Powdery mildew is the only known disease known to be a problem in the garden.
Foliage description (characteristics that differ in basal and flowering stem leaves): Basal leaves: Simple, opposite arrangement, obovate to oblanceolate, entire to coarsely lobed with lobes and apex rounded, 5.0 to 10 cm in length and 1.5 to 2.5 cm in width.
Flowering stem leaves: Simple, obovate, pinnafid to pinnatisect with up to seven pinnae on each side, leaftlets are opposite or alternately arranged, lobes are ovate to lanceolate, apices of leaf and leaflets are acute. Stem leaves are 5.0 to 12.0 cm in length and 2.0 to 3.0 in width.
Foliage description (characteristics that are similar for the basal and flowering stem leaves):
Venation.—Not prominent, with the exception of the mid-rib on the lower portion of the basal leaves, color 139D (upper and lower surface).
Surface.—Pubescent on upper and lower surfaces.
Color.—Upper surface, mature and immature leaves, 137A. Lower surface, mature and immature leaves, 137C.
Flowering stem description (peduncle):
Shape.—Round.
Size.—1.5-3.0 mm in diameter in width, 10 to 18 cm in height with the longer stems occurring when temperatures are warmer, above 75° F.
Surface.—Pubescent.
Color.—138B.
Branching.—Initially none, but as the flower stem elongates, lateral branches are produced, each with a single flower head.
Flower description:
Type.—Terminal flat heads, regular to slightly irregular, round, numerous with outer florets that are larger than the inner florets.
Fragrance.—None.
Size.—2.5 to 4.3 cm in diameter cm in diameter, approximately 1.0 cm in depth.
Lastingness of the flowers.—Approximately one week, not self cleaning; bristled calyx and involucral bracts are persistent.
Buds.—Dome-shaped, emerge 143D and 5.0 mm in diameter, gradually changing to the petal color 92A, with a diameter of 1.0 cm.
Involucral bracts.—10-15 in a single row, held horizontally, linear-lanceolate, apex acute, length ranges from 5.0 mm to 12.0 mm, width ranges from 1.5 mm to 3.0 mm, base of bract is 145A, portion of bract extended beyond flower head is 137A, pubescent.
Calyx.—Densely packed to from a receptacle-like structure. Cupular, composed of 5 united sepals, 144 C, 1.5 mm in width and 2.0 mm in height with a bristle, 202A, extending 2.0 mm in length beyond each sepal. Entire Calyx is persistent.
Corolla.—Zygomorphic, five petals, partially united near base. Outer florets are 8 to 15 mm in length and 4 to 6 mm in width, approximately 15-30 ray florets per inflorescence, color 92A that fades to 91A with maturity on both surfaces. Inner florets are 4-7 mm in length and 2-3 mm in width, approximately 50-120 disc florets per inflorescence, color 92A on both surfaces, fading to 91A and then fading to 159D at maturity.
Reproductive organs.—Stamens; 4, partially fused, can be included or extend up to 4 mm above corolla in early stages of flowering and then are not visible, 68D in color, no pollen was observed to date.
Pistil.—One, 159D, clearly visible in later stage of flowering, extending up to 6.0 mm beyond corolla, superior ovary.
Fruit/seed.—Fruit production has not been observed to date, presumed to be sterile.

Claims (1)

I claim:
1. A new and distinct cultivar of Scabiosa plant named ‘Walminiblue’ as described and illustrated.
US09/962,382 2001-09-25 2001-09-25 Scabiosa plant named ‘Walminiblue’ Expired - Lifetime USPP13446P2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP14038P2 (en) * 2002-08-06 2003-07-29 Terra Nova Nurseries, Inc. Scabiosa caucasica plant named ‘Ultra Violet’

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP14038P2 (en) * 2002-08-06 2003-07-29 Terra Nova Nurseries, Inc. Scabiosa caucasica plant named ‘Ultra Violet’

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