Plants – Rose – Climber
Plant Patent
1999-10-18
2001-09-11
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012082
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of Guzmania plant, hereinafter referred to by the cultivar name ‘Siralbert’. The genus Guzmania is a member of the family Bromeliaceae.
Guzmania is predominantly epiphytic with a few terrestrial species and is native to the tropics. For the most part, species vary in diameter from 7 or 8 inches to 3 or 4 feet and have rosettes of glossy, smooth-edged leaves.
Floral bracts of Guzmania frequently have brilliant colors and may last for many months. The range of colors for Guzmania is generally from yellow through orange but may also include flame red and red-purple. White or yellow, tubular, three-petalled flowers may also appear on a stem or within the leaf rosette but are usually short-lived.
Guzmania may be advantageously grown as pot plants for greenhouse or home use. Desirably, the plants are shaded from direct sunlight, and during the spring to autumn period, the central vase-like part of the leaf rosette is desirably filled with water.
Guzmania is native to tropical America. Leaves of Guzmania are usually formed as basal rosettes, which are stiff and entire and in several vertical ranks. Guzmania plants have terminal spikes or panicles which are often bracted with petals united in a tube about as long as the calyx. The ovary is superior and the seeds plumose.
Asexual propagation of Guzmania is frequently done through the use of tissue culture practices. Propagation can also be from offshoots produced by the plant which may then be rooted. The resulting plantlets are detached from the mother plant and may be potted in a suitable growing mixture.
The new cultivar was discovered as a naturally occurring mutation among plants of the parent cultivar ‘Gisela G26’ (unpatented), which is a non-variegated Guzmania plant. The female parent of ‘Gisela G26’ was Guzmania ‘Magnifica’ (unpatented). The male parent of ‘Gisela G26’ was
Guzmania zahnii
. ‘Siralbert’ was discovered and selected among plants of the cultivar ‘Gisela G26’ by the inventor. Reginald Deroose, in 1990 in a controlled environment in Evergem, Belgium.
‘Siralbert’ is characterized by its vigorous growth, its variegated foliage which is red-purple at the sheath to creamy white towards the apex of the leaf, and its rather compressed inflorescence where the primary bracts are positioned with yellow to orange color and red to reddish-pink striations.
The first act of asexual reproduction of the new cultivar was performed by the inventor in 1990, from offshoots produced by the plant. Horticultural examination of these asexually reproduced plants initiated in 1990 has demonstrated that the combination of characteristics as herein disclosed for ‘Siralbert’ are firmly fixed and reproduces true to type 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 ‘Siralbert’ which is combination distinguish this Guzmania as a new and distinct cultivar:
1. Vigorous growth habit;
2. Variegated foliage, from one-third to one-half of the leaf surface, which goes from red-purple at the sheath to cream-white towards the apex of the leaf;
3. Margins are dark-purple at the leaf sheath and become dark-green towards the apex of the leaf;
4. Rather compressed inflorescence where the primary bracts are positioned, bracts with yellow-orange color and red to reddish-pink striations; and
5. Erect arching leaves with no droop at the apex.
‘Siralbert’ has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary significantly when grown under different conditions of temperature, light and other determining factors, without any change in genotype.
Of the many commercial cultivars known to the inventor, the most similar in comparison to ‘Siralbert’ is the parental cultivar Guzmania ‘Gisela G26’ and ‘Symfonie Encore’, U.S. Plant patent application Ser. No. 09/432,079. The inflorescence and plant shape of ‘Siralbert’ are similar to the inflorescence and plant shape of ‘Gisela G26’. However, the leaves of ‘Siralbert’ are variegated whereas ‘Gisela G26’ has entirely green leaves. The leaves of ‘Siralbert’ are erect-arching whereas ‘Giseala G26’ has more downward-bending leaves. ‘Siralbert’ differs from ‘Symfonie Encore’ in that plants of ‘Siralbert’ grow shorter and smaller than those of ‘Symfonie Encore’. ‘Siralbert’ has a smaller (in width) leaf sheath, shorter leaf length and smaller (in width) leaf blade than ‘Symfonie Encore’. The leaf variegation of ‘Siralbert’ is distinctly less wide than ‘Symfonie Encore’. The leaves of ‘Siralbert’ are erect and arch with no droop. The leaves of ‘Symfonie Encore’ are erect with a well-defined droop at the last 11-18 cm of the blade. The inflorescence of ‘Siralbert’ is smaller, less straight, and has less intense contrasting color than ‘Symfonie Encore’.
REFERENCES:
patent: P.P. 9476 (1996-03-01), Kent
patent: P.P. 10069 (1997-10-01), Kent
patent: P.P. 10383 (1998-05-01), Bos
GTITM UPOVROM Citation for ‘Sir Albert’ as per QZ PBR 991056; Jul. 21, 1999.
Bell Kent L.
Campell Bruce R.
Deroose Plants BVBA
Foley & Lardner
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