Senecio genus plant named ‘Sunsenere’

Details Senecio genus plant named ‘Sunsenere’ Senecio genus plant named ‘Sunsenere’

1999-07-01

2001-10-23

Campell, Bruce R. (Department: 1661)

Plants

Rose

Climber

Plant Patent

active

PP012162

ABSTRACT:

BACKGROUND OF THE VARIETY
The present invention relates to a new and distinct variety of Senecio genus plant named ‘Sunsenere’. ‘Sunsenere’ is a distinct and unique variety, which is a dome-shaped plant of high height with abundant branching, vivid reddish purple flowers, and a long blooming term.
There are many varieties in
Senecio L. Senecio cruentus
is well known as ‘Cineraria’ and cultivated in the world. There are many cultivated varieties with flowers of a single color of white, pink red, blue or violet. Some varieties have marginal variegation with off color parts.
The female parent used in the crossing of ‘Sunsenere’ is a cultivar,
Senecio cruentus
, ‘Jupiter Crimson’ (not patented in the United States), which is a compact, dome-shaped plant, 17 cm in height. The stems are thick, 8.5 mm in diameter, with anthocyanin coloration. The leaf is of a serrated heart form and moderate yellowish green. The leaf size is medium, 12.5 cm long and 13.5 cm wide. The flower is single flowered and has strong purplish red petals with moderate purplish red disk flowers having no marginal variegation. ‘Jupiter Crimson’ has some scent.
The pollen parent used in the crossing of ‘Sunsenere’ is
Senecio heritierii
(having no variety name; not patented or sold in the United States), which was introduced from nurseries in England.
Senecio heritierii
is a high and dome-shaped plant, 26 cm in height with abundant branching. The stems are 5.1 mm in diameter, with no anthocyanin coloration. The leaf is in a serrated heart form and light yellowish green. The leaf is small, 5.5 cm long and 6.3 cm wide. Flowers are single flowered, having strong purple petals with vague white parts and strong reddish purple disk flowers.
Senecio heritierii
has no scent.
The controlled crossing with
Senecio cruentus
‘Jupiter Crimson’ and
Senecio heritierii
was first conducted at Hakusho-cho, Kitokoma-gun, Yamanashi-ken, Japan in January 1995. Seedlings from this crossing were grown since July 1995. The new variety was selected in January 1996 among them in view of flower color and early blooming. After multiplication by tissue culture, the botanical characteristics of the selected new variety were examined and tested in potting, using parent varieties and ‘Miss Yokohama’ and ‘Midget’ (both not patented in he United States) for comparison, since July 1996. As a result, it is confirmed that this selected variety met our criteria of being uniform and stable in its characteristics.
Then this new variety of Senecio genus plant was named ‘Sunsenere’ (
Senecio cruentus×Senecio heritierii
).
Senecio cruentus
, ‘Jupiter Crimson’, and
Senecio heritierii
are presently maintained at the Hakusho-cho, Kitokoma-gun, Yamanashi-ken, Japan.
In the following descriptions, the color-coding is in accordance with the Horticultural Colour Chart of The Royal Horticultural Society, London, England (R.H.S. Colour Chart). In some instances, the color-coding based on color charts from The Japan Color Standard for Horticultural Plant (J.H.S. Color Chart) is also added for reference.
The botanical characteristics of the female parent plant
Senecio cruentus
, ‘Jupiter Crimson’, used in the crossing of ‘Sunsenere’ are as follows.
Plant:
Growth habit.—
Dwarf compact.
Height.—
17 cm.
Stem:
Thickness.—
8.5 mm.
Color.—
Moderate yellowish green (R.H.S.C.C.No. 139C, J.H.S.C.C.No. 3709).
Anthocyanin coloration.—
Present.
Degree of anthocyanin coloration.—
Medium.
Branching.—
Abundant.
Type of primary lateral shoot.—
Branch from every node.
Pubescence.—
Sparse.
Length of internode.—
0.5 cm.
Leaf:
Whole shape.—
Heart form with a swollen basal part, which is notched at where the basal part of the blade attaches to the petiole.
Depth of concavity of leaf margin.—
Shallow.
Type of convexity.—
Acute.
Apex shape.—
Obtuse.
Base shape.—
Cordate.
Degree of undulation.—
Fair.
Length.—
12.5 cm.
Width.—
13.5 cm.
Diameter of petiole.—
5.5 mm.
Length of petiole.—
5.7 cm.
Stipule.—
Absent.
Color of upper surface.—
Moderate yellow green (R.H.S.C.C.No. 137D, J.H.S.C.C.No. 3712).
Color of reverse surface.—
Grayish yellow green (R.H.S.C.C.No. 138B, J.H.S.C.C.No. 3715).
Anthocyanin coloration of reverse surface.—
Absent.
Pubescence of upper surface.—
Present.
Pubescence of reverse surface.—
Dense.
Color of pubescence of reverse surface.—
White.
Flower (single flowered):
Shape of flower cluster.—
Flat.
Diameter of flower cluster.—
20 cm.
Height of flower cluster.—
9 cm.
Transected shape of corolla.—
Flat.
Diameter of flower.—
6.5 cm.
Size of disk flower.—
1.8 cm.
Color of petal.—
Strong purplish red (R.H.S.C.C.No. 67A, J.H.S.C.C.No. 9708).
Marginal variegation.—
Absent.
Color of disk flower.—
Moderate purplish red (R.H.S.C.C.No. 64A, J.H.S.C.C.No. 9714).
Petal length.—
2.4 cm.
Petal width.—
1.1 cm.
Shape of petal.—
Rectangular.
Lengthwise warp of petal.—
Convex.
Concavity of petal tip.—
Present.
Shape of petal tip.—
Rounded.
Number of ray flower.—
13.
Number of disk flower.—
120.
Diameter of pedicel of the first flower.—
1.8 mm.
Length of pedicel of the first flower.—
2.5 cm.
Number of flowers per a flower cluster.—
53.
Scent.—
Present.
Calyx:
Degree of concavity.—
Flat.
Degree of recurvature.—
2.5 mm.
Color.—
Moderate yellowish green (R.H.S.C.C.No. 139C, J.H.S.C.C.No. 3709).
Anthocyanin coloration.—
Absent.
Pistil:
Color.—
Moderate purplish red (R.H.S.C.C.No. 64A, J.H.S.C.C.No. 9714).
Number.—
1.
Type.—
Style branches truncate (i.e. the top of the style is separated into two and the shape of the top is truncated).
Stamen:
Color.—
Moderate purplish red (R.H.S.C.C.No. 64A, J.H.S.C.C.No. 9714).
Type.—
5 anthers are connate, with separated filaments.
Blooming period.—
December (Sowing in August).
Hardiness:
Cold.—
Good.
Rain.—
Good.
Heat.—
Good.
Resistance:
Disease.—
Good.
Insect.—
Good.
The botanical characteristics of the male parent plant
Senecio heritierii
used in the crossing of ‘Sunsenere’ are as follows.
Plant:
Growth habit.—
Semi-dwarf erect.
Height.—
26 cm.
Stem:
Thickness.—
5.1 mm.
Color.—
Very pale green (R.H.S.C.C.No. 128D, J.H.S.C.C.No. 4902).
Anthocyanin coloration.—
Absent.
Branching.—
Abundant.
Type of primary lateral shoot.—
Branch from every node.
Pubescence.—
Dense.
Length of internode.—
0.8 cm.
Leaf:
Whole shape.—
Heart form with a swollen basal part, which is notched at where the basal part of the blade attaches to the petiole.
Depth of concavity of leaf margin.—
Medium.
Type of convexity.—
Acute.
Apex shape.—
Obtuse.
Base shape.—
Cordate.
Degree of undulation.—
Weak.
Length.—
5.5 cm.
Width.—
6.3 cm.
Diameter of petiole.—
3.5 mm.
Length of petiole.—
7.5 cm.
Stipule.—
Absent.
Color of upper surface.—
Light yellowish green (R.H.S.C.C.No. 136D, J.H.S.C.C.No. 4002).
Color of reverse surface.—
Very pale green (R.H.S.C.C.No. 128D, J.H.S.C.C.No. 4902).
Anthocyanin coloration of reverse surface.—
Absent.
Pubescence of upper surface.—
Dense.
Pubescence of reverse surface.—
Dense.
Color of pubescence of reverse surface.—
White.
Flower (single flowered):
Shape of flower cluster.—
Uneven.
Diameter of flower cluster.—
18 cm.
Height of flower cluster.—
15 cm.
Transected shape of corolla.—
Flat.
Diameter of flower.—
4.8 cm.
Size of disk flower.—
0.9 cm.
Color of petal.—
Strong purple (R.H.S.C.C.No. 81B, J.H.S.C.C.No. 8605).
Marginal variegation.—
Present.
Diameter of off color part.—
1.3 cm.
Border of marginal variegation.—
Vague.
Color of disk flower.—
Strong reddish purple (R.H.S.C.C.No. 72A, J.H.S.C.C.No. 9214).
Petal length.—
2.2 cm.
Petal width.—
0.4 cm.
Shape of petal.—
Rectangular.
Lengthwise warp of petal.—
Flat.
Concavity of petal tip.—
Present.
Shape of petal tip.—
Acute.
Number of ray flower.—
13.
Number of disk flower.—
110.
Diameter of pedicel of the first flower.—
1.2 mm.
Length of pedicel of the first flower.—
2.5 cm.
Number of flowers per a flower cluster.—
35.
Scent.—
Absent.
Calyx:
Degree of concavity.—
Flat.
Degree of recurvature.—
3.1 mm.
Color.—
Very pale green (R.H.S.C.C.No. 128D, J.H.S.C.C.No. 4902).
Anthocyanin coloration.—
Present.
Pistil:
Color.—
Strong reddish purple (R.H.S.C.C.No. 72A, J.H.S.C.C.No. 9214).
Number.—
1.
Type.

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