Calibrachoa plant named ‘Cal Sunre’

Details Calibrachoa plant named ‘Cal Sunre’ Calibrachoa plant named ‘Cal Sunre’

2003-03-13

2004-03-16

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Plant Patent

active

PP014605

ABSTRACT:

Genus and species: Calibrachoa spp.
Variety denomination: ‘Cal Sunre’.
BACKGROUND OF THE INVENTION
‘Cal Sunre’ originated from a hybridization made in the year 2000 in Gilroy, Calif. The female parent was a Calibrachoa breeding line with yellow colored flowers known as Million Bells Yellow a commercial patented (U.S. Plant Pat. No. 11,558) line. The male parent was Calibrachoa variety 16-1, a scarlet red proprietary line unnamed and unpatented.
‘Cal Sunre’ is a product of a planned breeding program intended to create new calibrachoa plants with a golden yellow background with scarlet variegation colored flowers, compact habit, good basal branching and moderately vigorous growth.
The new cultivar was created in 2000 in Gilroy, Calif. and has been asexually reproduced repeatedly by vegetative cuttings and tissue culture in Gilroy, Calif., Andijk, The Netherlands, and Guatemala over a 2 and half-year period. The plant has also been trialed at Gilroy, Calif., Litchfield, Mich. and Andijk, The Netherlands. The present invention has been found to retain its distinctive characteristics through successive propagations; and this novelty is firmly fixed.
Description of the genus Calibrachoa Llave & Lex
The genus Petunia was originally established in 1803 by A. L. Jussieu, who described both,
P. parviflora
and
P. nyctaginifloa
as type species. Using a non-horticultural system that selected the first mentioned species as the type species (lectotype), N. L. Britton and H. A. Brown declared
P. parviflora
as the type species for Petunia in 1913.
During the 1980's and 1990, H. J. Wijsman published a series of articles regarding the ancestry of
P. hybrida,
the Garden Petunia, and the inter-relationship of several species classified as Petunia. These studies discovered that
P. hybrida
and its ancestrial species,
P. nyctaginiflora
(=
P. axillaris
) and
P. violacea
(=
P. integrifolia
), possessed 14 pairs of chromosomes while several other species, including
P. parviflora
, possessed 18 pairs of chromosomes. Since
P. parviflora
was the lectotype species for the Petunia genus, Wijsman and J. H. de Jong proposed transferring the 14 chromosome species to the genus Stimoryne. Horticulturists opposed reclassifying the Garden Petunia and in 1986, Wijsman proposed the alternative of making
P. nyctaginiflora
the lectotype species for Petunia and transferring the 18 chromosome species to another genus. The I. N. G. Committee adopted this proposal. By 1990 Wijsman had transferred several species, including
P. parviflora
(=
C. parviflora
) to Calibrachoa, originally established by Llave and Lexarza in 1825.
Calibrachoa parviflora
(=
C. mexicana
Llave & Lexarza) is now the type species for the genus Calibrachoa.
Classification of the current Petunia and Calibrachoa species is still in progress. New species are also being identified. Consequently a proper description has not been written for the Calibrachoa genus. Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud aestivation. Whereas Petunia species bear a flower peduncle and one new stem from a node, Calibrachoa bear a flower peduncle and three stems. Petunia species have a cochlear corolla bud, a single outermost petal covers the other four, radially folded and terminally contorted petals. Calibrachoa flower buds are flat with all five petals linearly folded and the two lower petals forming a cover around the three other petals and fused together.

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