USPP27786P2 - Penstemon plant named ‘Novapenblu’ - Google Patents

Penstemon plant named ‘Novapenblu’ Download PDF

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USPP27786P2
USPP27786P2 US14/756,947 US201514756947V USPP27786P2 US PP27786 P2 USPP27786 P2 US PP27786P2 US 201514756947 V US201514756947 V US 201514756947V US PP27786 P2 USPP27786 P2 US PP27786P2
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approximately
plant
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cultivar
color
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Michael S. Dobres
Sloane M. Scheiber
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Ball Horticultural Co
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CP Delaware Inc
NovaFlora LLC
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Assigned to NovaFlora LLC reassignment NovaFlora LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DOBRES, MICHAEL S., SCHEIBER, SLOANE M.
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  • Botanical/commercial classification Penstemon barbatus/Penstemon Plant.
  • Varietal denomination cv. Novapenblu.
  • Penstemon plants sometimes known as Beard Tongue, are herbaceous perennials which provide colorful flowers during the summer.
  • the new Penstemon plant of the present invention was created at West Grove, Pa., U.S.A.
  • a female parent i.e., seed parent
  • Penstemon barbatus ‘Rondo’ non-patented in the United States
  • a male parent i.e. pollen parent
  • Penstemon barbatus ‘Navigator’ non-patented in the United States
  • Seeds from this cross were sown to produce a wide array of plants. What appeared to be promising selections next were made from among the resulting plants. These selections next were assembled and were open pollinated in a controlled environment in a nursery setting.
  • the parentage of the new cultivar can be summarized as follows: [‘Rondo’ ⁇ ‘Navigator’] ⁇ Open Pollination.
  • the new cultivar well meets the needs of the horticultural industry and can be grown to advantage as a perennial garden plant to provide colorful ornamentation.
  • the plant performs well when grown along borders or sidewalks as well as in containers.
  • Plants of the new cultivar can be readily distinguished from other Penstemon cultivars including its parents. More specifically, ‘Rondo’ exhibits a considerably taller growth habit, and ‘Navigator’ commonly displays a wide mix of colored blossoms.
  • the new cultivar When compared to the ‘Delfts Blue Riding Hood’ cultivar (U.S. Plant Pat. No. 23,065), the new cultivar displays a more compact growth habit and displays darker colored blooms.
  • the new cultivar displays considerably more basal branching.
  • the ‘Novapenpin’ cultivar U.S. Plant Pat. No. 26,701
  • the ‘Novapenpur’ cultivar U.S. Plant patent application Ser. No. 13/998,817, filed Dec. 11, 2013
  • the ‘Novapenrub’ cultivar U.S. Plant patent application Ser. No. 14/756,947, filed Nov. 2, 2015
  • the ‘Novapenpin’ cultivar displays bright pink colored blossoms with a white throat, (the ‘Novapenpur’ cultivar displays dark pink blossoms, and the ‘Novapenrub’ cultivar displays dissimilar dark pink colored blossoms.
  • the new cultivar of the present invention has been named ‘Novapenblu’, and will be marketed under the BLUE ROCK CANDY Trademark.
  • FIG. 1 illustrates the upright compact growth habit of a flowering plant of the new cultivar.
  • FIG. 2 illustrates a close view of the blossoms in various stages of development and the foliage of the new cultivar.
  • Plants of the ‘Novapenblu’ cultivar have not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotypic expression may vary somewhat with changes in light intensity and duration, cultural practices, and other environmental conditions.

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  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

The new Penstemon plant was created by the crossing of parent plants which had been studied in the hope that they might provide desired characteristics. Attractive bluish-purple blossoms with a white throat are formed in the absence of a vernalization requirement for flowering. An upright compact mounding growth habit is displayed. The plant is well suited for providing attractive ornamentation.

Description

Botanical/commercial classification: Penstemon barbatus/Penstemon Plant.
Varietal denomination: cv. Novapenblu.
SUMMARY OF THE INVENTION
Penstemon plants, sometimes known as Beard Tongue, are herbaceous perennials which provide colorful flowers during the summer.
The new Penstemon plant of the present invention was created at West Grove, Pa., U.S.A. A female parent (i.e., seed parent) was selected from a seed mix Penstemon barbatus ‘Rondo’ (non-patented in the United States) on the basis of branching habit, dark purple flower color, and repeat blooming nature. Next, a male parent (i.e. pollen parent) was selected from a seed mix of Penstemon barbatus ‘Navigator’ (non-patented in the United States) on the basis of branching habit, pink flower color, and repeat blooming nature. Seeds from this cross were sown to produce a wide array of plants. What appeared to be promising selections next were made from among the resulting plants. These selections next were assembled and were open pollinated in a controlled environment in a nursery setting.
The plants resulting from the sowing of seeds of this open pollination were physically and biologically different from each other. Selective study resulted in a single plant of the new cultivar and a single plant of the ‘Novapenrub’ cultivar (U.S. Plant patent application Ser. No. 14/756,947, filed Nov. 2, 2015).
The parentage of the new cultivar can be summarized as follows:
[‘Rondo’בNavigator’]×Open Pollination.
It was found that the new Penstemon plant displays the following combination of characteristics:
    • (a) displays an upright compact growth habit with strong basal branching,
    • (b) is lacking a vernalization requirement for flowering,
    • (c) forms attractive bluish-purple blossoms with a white throat, and
    • (d) is well suited for providing attractive ornamentation.
During observations to date, the plant has been found to be hardy in U.S.D.A. Hardiness Zone Nos. 6 to 9. Trimming of the plant promotes further flowering.
The new cultivar well meets the needs of the horticultural industry and can be grown to advantage as a perennial garden plant to provide colorful ornamentation. The plant performs well when grown along borders or sidewalks as well as in containers.
Plants of the new cultivar can be readily distinguished from other Penstemon cultivars including its parents. More specifically, ‘Rondo’ exhibits a considerably taller growth habit, and ‘Navigator’ commonly displays a wide mix of colored blossoms.
When compared to the ‘Delfts Blue Riding Hood’ cultivar (U.S. Plant Pat. No. 23,065), the new cultivar displays a more compact growth habit and displays darker colored blooms.
Also, when compared to the ‘Hot Pink Riding Hood’ cultivar (U.S. Plant Pat. No. 23,089), the new cultivar displays considerably more basal branching. Additionally, when compared to the ‘Novapenpin’ cultivar (U.S. Plant Pat. No. 26,701), the ‘Novapenpur’ cultivar (U.S. Plant patent application Ser. No. 13/998,817, filed Dec. 11, 2013), and the ‘Novapenrub’ cultivar (U.S. Plant patent application Ser. No. 14/756,947, filed Nov. 2, 2015), it is found that the ‘Novapenpin’ cultivar displays bright pink colored blossoms with a white throat, (the ‘Novapenpur’ cultivar displays dark pink blossoms, and the ‘Novapenrub’ cultivar displays dissimilar dark pink colored blossoms.
The rooting of vegetative cuttings has been used to asexually propagate the new cultivar at West Grove, Pa., U.S.A. It has been found that the characteristics of the new cultivar are stable and are reliably transmitted from one generation to another. Accordingly, the new cultivar can be asexually reproduced in a true-to-type manner.
The new cultivar of the present invention has been named ‘Novapenblu’, and will be marketed under the BLUE ROCK CANDY Trademark.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying photographs illustrate typical flowering plants of the new cultivar in color as nearly true as it is reasonably possible make the same in color illustrations of this nature. The plants were approximately one year of age and were being grown outdoors in containers in full sun during August 2014 at West Grove, Pa., U.S.A. The plants had been asexually reproduced by the rooting of vegetative cuttings.
FIG. 1 illustrates the upright compact growth habit of a flowering plant of the new cultivar.
FIG. 2 illustrates a close view of the blossoms in various stages of development and the foliage of the new cultivar.
DETAILED BOTANICAL DESCRIPTION
The following is a detailed description while observing one-year-old plants of the new cultivar that were produced by the rooting of vegetative cuttings. Such plants were being grown during June 2015 in containers outdoors at West Grove, Pa., U.S.A. The chart used in the identification of color is The R.H.S. Colour Chart (1995 Edition) of The Royal Horticultural Society, London, England. Common color terms are to be accorded their customary dictionary significance.
  • Botanical classification: Penstemon barbatus, cv. Novapenblu.
      • Parents.—Cross of seed mixtures of Penstemon barbatus ‘Rondo’ and ‘Navigator’ with some selection followed by open pollination to produce progeny and an ultimate selection from within such progeny.
      • Plant type.—Herbaceous perennial.
  • Plant:
      • Growth habit.—Upright and compact.
      • Height.—Approximately 30 to 45 cm on average when mature. During observations, the ‘Rondo’ ancestor has assumed a height of approximately 60 cm. Under the same growing conditions the ‘Delfts Blue Riding Hood’ cultivar displayed a height of approximately 50 cm.
      • Spread.—Approximately 30 to 45 cm on average when mature.
      • Branching.—Commonly approximately 9 lateral stems arise at the base.
      • Branch length.—Commonly approximately 20 cm on average.
      • Branch diameter.—Commonly approximately 4 mm on average.
      • Stem strength.—Relatively strong.
      • Stem color.—Near Green Group 139C.
      • Stem texture.—Smooth.
      • Internode length.—Commonly approximately 3 cm.
      • Roots.—Fibrous network.
  • Foliage:
      • Arrangement.—Opposite, simple, sessile.
      • Shape.—Broadly lanceolate.
      • Apex.—Acuminate.
      • Base.—Truncate.
      • Length.—Commonly approximately 8 to 15 cm on average.
      • Width.—Commonly approximately 1.5 to 3 cm on average.
      • Texture.—Smooth on the upper and under surfaces.
      • Color.—On the upper surface near Green Group 143C, and on the lower surface near Green Group 138B.
      • Margins.—Entire.
  • Inflorescence:
      • Season.—The natural flowering season when grown outside primarily is May to July.
      • Type.—Single bi-labiate, arranged on terminal racemes, and with flowers mostly facing outwards.
      • Buds.—Ovoid, approximately 1.5 cm in length on average just before opening, approximately 5 mm in diameter, and near Green Group 139D in coloration.
      • Quantity.—Free-flowering, commonly with approximately 50 flowers on average developing per inflorescence.
      • Flower diameter.—Approximately 7 mm on average.
      • Flower length.—Approximately 3 cm on average.
      • Petal number.—Five.
      • Petal arrangement.—Petals fused into a tube, bi-labiate, upper lip with two upper petals, and lower lip with three lower petals.
      • Petal length.—Approximately 1 cm on average.
      • Petal width.—Approximately 5 mm on average.
      • Petal shape.—Substantially round.
      • Petal apex.—Rounded.
      • Petal margin.—Entire.
      • Petal texture.—Smooth on upper and under surfaces.
      • Petal color.—Upper surface: when opening near Violet-Blue Group 89D, and when fully open near Violet-Blue Group 89A. The ‘Delfts Blue Riding Hood’ cultivar when fully open under the same growing conditions displayed a Violet-Blue Group 98C coloration. Lower surface: when opening near Green-White Group 157C, and when fully open near Violet-Blue Group 89D.
      • Throat color.—The tube commonly is near White Group 155A.
      • Sepal arrangement.—In a single whorl, and with a salverform calyx.
      • Size.—Commonly approximately 4 mm in length on average and approximately 2 mm in width on average.
      • Sepal shape.—Lanceolate.
      • Sepal apex.—Pointed.
      • Sepal base.—Truncate.
      • Sepal margin.—Entire.
      • Sepal texture.—Smooth on upper and under surfaces.
      • Sepal color.—Near Green Group 143B on both surfaces.
      • Sepal number.—Five.
      • Stamen number.—Four.
      • Anther opening.—Tend to dehisce the full length across the connective and usually spread widely apart.
      • Anther length.—Approximately 3 mm on average.
      • Anther color.—Near Yellow-Orange Group 18C.
      • Filaments.—Commonly approximately 2 cm in length on average, and near White Group 155B in coloration.
      • Pollen.—Present in a moderate quantity, and near White Group 155B in coloration.
      • Staminoid.—One, approximately 1.3 cm in length, less than 1 mm in diameter, and near White Group 155D in coloration.
      • Pistil number.—One.
      • Pistil length.—Approximately 2 cm on average.
      • Style length.—Approximately 1.2 cm on average.
      • Style color.—White Group 155B.
      • Stigma color.—Near White Group 155A.
      • Stigma shape.—Flattened.
      • Ovary color.—Near Green Group 143C.
      • Seeds/fruit.—Have not been observed.
      • Fragrance.—None detected.
      • Peduncle length.—Approximately 1.2 cm on average.
      • Peduncle diameter.—Approximately 1 mm on average.
      • Peduncle aspect.—Commonly up straight.
      • Peduncle texture.—Smooth.
      • Peduncle strength.—Relatively strong.
      • Peduncle color.—Near Green Group 143C.
      • Pedicel length.—Approximately 7 mm on average.
      • Pedicel diameter.—Approximately 0.8 mm on average.
      • Pedicel aspect.—Commonly up straight.
      • Pedicel strength.—Moderately strong.
      • Pedicel color.—Near Green Group 143C.
  • Disease resistance: The tolerance/susceptibility to diseases and pests common to Penstemon plants appears to be typical during observations to date.
Plants of the ‘Novapenblu’ cultivar have not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotypic expression may vary somewhat with changes in light intensity and duration, cultural practices, and other environmental conditions.

Claims (1)

We claim:
1. A new and distinct Penstemon plant having the following combination of characteristics:
(a) displays an upright compact growth habit with strong basal branching,
(b) is lacking a vernalization requirement for flowering,
(c) forms attractive bluish-purple blossoms with a white throat, and
(d) is well suited for providing attractive ornamentation;
substantially as illustrated and described.
US14/756,947 2015-11-02 2015-11-02 Penstemon plant named ‘Novapenblu’ Active USPP27786P2 (en)

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