Plants – Herbaceous ornamnental flowering plant – Bouvardia
Plant Patent
1999-10-18
2002-08-20
Campell, Bruce R. (Department: 1661)
Plants
Herbaceous ornamnental flowering plant
Bouvardia
Plant Patent
active
PP012864
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of Bouvardia plant, botanically known as
Bouvardia salisb
, and hereinafter referred to by the cultivar name ‘Green Spring’. Bouvardia is native to Mexico and other countries of Central America. The genus is named after the French medical doctor Charles Bouvard who lived from 1572 to 1657.
The genus Bouvardia is a member of the family Rubiaceae and mainly contains small shrubs. Generally, the flowers of Bouvardia contain a four-lobed calyx and a long tubular, funnel-shaped, corolla with four spreading lobes. There are two carpels and two stigmas and the fruit is a capsule.
Bouvardia plants are generally propagated by soft tip cuttings. For example, mother plants are pruned under temperature conditions whch prevent flower bud formation (20-22° C.). Young shoots with at least two well-developed leaf pairs are rooted.
‘Green Spring’ is a product of a planned breeding program which had the objective of creating new Bouvardia cultivars having improved quality and flowers of various colors. ‘Green Spring’ originated from a hybridization made by the inventor in a controlled breeding program in Roelofarendsveen, the Netherlands, in 1996. The female parent was a proprietary Bouvardia selection designated 94.423.34. The male parent was a proprietary Bouvardia selection designated 92.423. ‘Green Spring’ was discovered and selected as one flowering plant within the progeny of the stated cross by the inventor, John M. F. de Jong, in a controlled environment in Roelofarendsveen, the Netherlands.
The first act of asexual reproduction of ‘Green Spring’ was accomplished when soft tip cuttings were taken from the originally discovered plant in 1997 in a controlled environment in Roelofarendsveen, the Netherlands by John M. F. de Jong. Horticultural examination of these asexually reproduced plants has demonstrated that the combination of characteristics as herein disclosed for ‘Green Spring’ are firmly fixed and are retained through successive generations of asexual reproduction.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘Green Spring’ which, in combination, distinguish this Bouvardia as a new and distinct cultivar:
1. White flowers that are green at the apex;
2. Dark-green foliage;
3. Short internodes, which makes it suitable for growing as a potplant; and
4. Excellent keeping quality.
The following chart illustrates a comparison between Bouvardia ‘Green Spring’ and the parental cultivars.
‘Green Spring’
94.423.34
92.423
Flower
Petalage color: Base of
The whole
Upper side of petals is
Color
tube is RHS 139D,
flower is
light pink, RHS 49D.
suffusing into RHS 155D
white,
The lower side of
toward the base of
RHS 155B
petals is white, RHS
petals (both outside and
155A
inside). Base of petals
RHS 155D (both upper
and lower side) suf-
fusing into RHS 139C
towards the apex of
the petals (both
upper and lower side).
Leaf Color
RHS 139A
RHS
RHS 147A
(Top side)
137A
‘Green Spring’ has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary significantly with variations in environment such as temperature, light intensity, and daylength without any change in genotype. The following observations, measurements, and values describe the pot plants at 12 weeks old, and the plants for the production of cut flowers at 2-4 years old, as grown in Roelofarendsveen, the Netherlands under conditions which approximate those generally used in commercial practice. Unless otherwise stated, the following observations, measurements, and values apply to both pot plants and plants for the production of cut flowers.
REFERENCES:
patent: 7011 (2000-11-01), None
patent: BUV 55 (1997-03-01), None
GTITM UPOVROM Citation for ‘Green Spring’ as per NL PBR BUV0055; Mar. 14, 1997.
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