Plants – Herbaceous ornamnental flowering plant – Verbena
Plant Patent
2002-12-26
2004-05-25
Grunberg, Anne Marie (Department: 1661)
Plants
Herbaceous ornamnental flowering plant
Verbena
Plant Patent
active
PP014831
ABSTRACT:
Botanical/commercial classification:
Verbena hybrida/
Verbena Plant.
Varietal denomination: cv. ‘Sunmaref TPPW’.
BACKGROUND OF THE VARIETY
Verbena is a very popular plant and is used for flower bedding and potting in the summer season. There are only a few varieties of the Verbena plants which have a spreading growth habit, abundant branching, and form a large number of flowers in a spike and which have high resistances to rain, heat, cold, and diseases. Accordingly, this invention was aimed at obtaining a new Verbena variety having a spreading growth habit, abundant branching, the formation of a large number of flowers in a spike that manifest high tolerances to heat, rain, drought and cold, and high resistances to diseases and pests.
The new variety of Verbena plant according to this invention originated from crossing as female parent the ‘Long Run White’ variety (non-patented in the United States) and as male parent the ‘V-Tenera White’ variety (non-patented in the United States).
Initially, 20 seedlings were obtained in 1988 from this crossing. Nine seedlings were selected for further observation in view of their spreading growth habit and flower color. From among these seedlings one seedling was finally selected in view of its long flowering duration. This seedling was propagated by the use of cuttings and was grown and evaluated while present in pots and flower beds. The botanical characteristics of the seedling were examined while using similar varieties ‘Sunmaref TP-W’ U.S. Plant Pat. No. 9,059) and ‘Sunmaref TP-P’ (U.S. Plant Pat. No. 9,014) for comparison from May to November of 1999. As the result, it was concluded that this new Verbena plant is distinguishable from any other variety, whose existence is known to me, and is uniform and stable in its characteristics. This new variety of Verbena plant was named ‘Sunmaref TPPW’.
In the following description, the color-coding is in accordance with The R.H.S. Colour Chart of The Royal Horticultural Society, London, England. A color chart based on The Japan Color Standard for Horticultural Plant (J.H.S. Color Chart) is also added for reference.
The ‘Long Run White’ variety used as female parent, was bred by the Takii Seed Corp, of Japan and is commercially available. The main botanical characteristics of the ‘Long Run White’ variety are as follows:
Plant:
Growth habit.—
Semi-erect.
Plant width.—
Approximately 25-30 cm.
Plant height.—
Approximately 20-25 cm.
Stem:
Diameter.—
Approximately 2.0-3.3 mm.
Anthocyanin pigmentation.—
Absent.
Branching.—
Medium.
Subterranean stem.—
Absent.
Pubescence.—
Sparse.
Length of internode.—
Approximately 3.0-3.5 cm.
Leaf:
Phyllotaxis.—
Opposite.
Shade of blade.—
Cordate.
Length.—
Approximately 1.7-2.4 cm.
Width.—
Approximately 1.5-2.1 cm.
Depth of incision.—
Deep.
Color.—
Dark green (R.H.S. 137A, J.H.S. 3707).
Pubescence.—
Sparse.
Flower:
Facing direction.—
Upward.
Outward curvature of petal.—
Curved.
Diameter.—
Approximately 1.0-1.5 cm.
Height.—
Approximately 13-15 mm.
Color.—
White (R.H.S. 155C, J.H.S. 01).
Color intensity.—
Absent.
Overlapping of petals.—
Open.
Spike.—
Approximately 25-30 mm in length; and approximately 30-35 mm in diameter.
Calyx.—
Approximately 0.5-1.0 cm in length.
Anthocyanin pigmentation of calyx limb.—
Present.
Peduncle.—
Approximately 1.7-1.8 mm in thickness; and approximately 4.0-6.0 cm in length.
Number of flowers.—
Few (approximately 7-11).
Reproductive organs.—
1 pistil and 5 stamens.
Flower fragrance.—
Absent.
Flowering duration.—
Medium.
Physiological and ecological characteristics: Moderate tolerances to heat, cold, and pests and low resistance to diseases.
The Verbena plant named ‘V-Tenera White’ used as male parent white-flowering, is native to Brazil, and is not commercially available. This parent plant is presently maintained at the Omi R & D Center of Suntory Flowers Ltd., located at 863-1, Aza-Iketani, Omori-cho, Yokaichi-shi, Shiga-ken, Japan. The main botanical characteristics of this male parent are as follows:
Plant:
Growth habit.—
Slightly erect and spreading.
Plant width.—
Approximately 65-100 cm.
Plant height.—
Approximately 5-8 cm.
Stem:
Diameter.—
Approximately 1.0-2.0 mm.
Anthocyanin pigmentation.—
Present.
Branching.—
Medium.
Subterranean stem.—
Absent.
Pubescence.—
Medium.
Length of internode.—
Approximately 2.0-5.0 cm.
Leaf:
Phyllotaxis.—
Opposite.
Shape of blade.—
Narrow lanceolate.
Length.—
Approximately 2.0-4.0 cm.
Width.—
Approximately 1.0-2.0 cm.
Depth of incision.—
Deep.
Color.—
Dark green (R.H.S. 143A, J.H.S. 3707).
Pubescence.—
Sparse.
Flower:
Facing direction.—
Upward.
Outward curvature of petal.—
Slightly curved.
Diameter.—
Approximately 1.3-1.5 cm.
Height.—
Approximately 13-15 mm.
Color.—
White (R.H.S. 155C, J.H.S. 01).
Color intensity.—
Absent.
Overlapping of petals.—
Separate.
Spike.—
Approximately 20-25 mm in length; and approximately 30-40 mm in diameter.
Calyx.—
Approximately 1.0 cm in length.
Anthocyanin pigmentation of calyx limb.—
Present.
Peduncle.—
Approximately 1-2 mm in thickness; and approximately 4.0-5.0 cm in length.
Number of flowers.—
Plentiful (approximately 13-15).
Reproductive organs.—
1 pistil and 5 stamens.
Flower fragrance.—
Absent.
Flowering duration.—
Short.
Physiological and ecological characteristics: High resistances to diseases and pests, high tolerance to heat, and moderate tolerance to cold.
This new variety of Verbena plant ‘Sunmaref TPPW’ has been asexually reproduced by the use of cuttings at the Omi R&D Center, Flower Division, Suntory Ltd, 863-1 Aza-Iketani Omori-cho Yokaichi-shi, Shiga-ken, Japan, and the homogeneity and stability thereof were confirmed. The instant plant retains its distinctive characteristics and reproduces true to type in successive generations.
SUMMARY OF THE VARIETY
This new variety of Verbena plant has a spreading growth habit and short stems. The plant displays abundant branching, and forms flowers in a spike with a great profusion of blooms. The blooming period commonly is April to November and the flowering duration is long. The entire plant remains in bloom for a considerable period of time. The flower size is large and the flower petal coloration is white. The plant has high tolerances to cold, heat, rain and drought, and high resistances to pests and diseases, particularly powdery mildew. Once cuttings of the new variety are placed, roots are well developed in approximately twenty days.
REFERENCES:
patent: PP8995 (1994-11-01), Tachibana et al.
patent: PP9014 (1994-12-01), Tachibana et al.
patent: PP9059 (1995-02-01), Tachibana et al.
patent: PP9085 (1995-03-01), Tachibana et al.
patent: PP9121 (1995-04-01), Tachibana et al.
patent: PP9411 (1995-12-01), Tachibana et al.
patent: PP10311 (1998-03-01), Tachibana
patent: PP10705 (1998-11-01), Tachibana
patent: PP10743 (1999-01-01), Nagase
patent: PP10755 (1999-01-01), Nagase
patent: PP10801 (1999-02-01), Nagase
patent: PP11037 (1999-08-01), Yomo et al.
patent: PP11104 (1999-10-01), Yomo et al.
patent: PP11113 (1999-11-01), Yomo et al.
patent: PP11120 (1999-11-01), Yomo et al.
patent: PP11130 (1999-11-01), Yomo et al.
Grunberg Anne Marie
McCormick Susan B.
Suntory Flowers Limited
LandOfFree
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