Sansevieria plant named ‘YELLOWSTONE’

Abstract

A new and distinct cultivar of Sansevieria aubreytiana plant named YELLOWSTONE, particularly characterized by its variegated foliage with irregular, differently green toned bands with light green toned margin bands; wide and lanceolate leaves, supported in a rosette; 50-80 cm plant height; erect plant habit; and high drought tolerance with low need for water.

Claims

1. A new and distinct variety of Sansevieria aubreytiana plant named YELLOWSTONE, substantially as illustrated and described herein.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photographs illustrate the overall appearance of the new Sansevieria cultivar YELLOWSTONE showing the colors as true as is reasonably possible with colored reproductions of this type. Colors in the photographs may differ slightly from the color value cited in the detailed botanical description which accurately describe the color of YELLOWSTONE.

(2) FIG. 1Shows a side view of a six-month old plant of Sansevieria YELLOWSTONE in a 26 cm diameter pot.

(3) FIG. 2Shows a top down view of a typical six-month-old plant of Sansevieiria YELLOWSTONE.

(4) FIG. 3shows a close-up view of the typical leaves of Sansevieria YELLOWSTONE from a six-month old plant (upper sideA, under sideB).

DETAILED BOTANICAL DESCRIPTION

(5) The new Sansevieria YELLOWSTONE has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary with variations in environment such as temperature, light intensity, and day length without any change in the genotype of the plant.

(6) The aforementioned photographs, together with the following observations, measurements and values describe the new Sansevieria cultivar YELLOWSTONE as grown in open-field conditions at Monterrey, San Carlos, Alajuela province, Costa Rica, under conditions which closely approximate those generally used in commercial practice. 24.5 C. during the day and 18 C. at night. Plants grow under natural light conditions.

(7) This crop does not require constant fertilization, to increase production per area about 200 kg ha1 N, 150 kg ha1 of P and 100 kg ha1 K are required, the production is closely related with soil conditions in which they are grown.

(8) Color references are made to The Royal Horticultural Society Colour Chart, except where general colors of ordinary significance are used. The photographs and descriptions were taken during the rainy season in Monterrey, San Carlos, Alajuela province, Costa Rica when outdoor day temperature was 23 C. The age of the plants described is 6 months. Classification: Botanical.Sansevieria aubrytiana. Variety denomination: YELLOWSTONE. Parentage: Sansevieria aubrytiana SAYURI (unpatented). Optimal growth conditions: Light intensities.High adaptability to outdoor or indoor conditions. Temperature.Day: 24 C. to 32 C. Night: 18 C. to 23 C. Temperature tolerance.Tolerant to temperatures between 12 C. and 35 C. Fertilization.200, 150 and 100 kg ha.sup.1 of N, P and K. Growth regulators.Not necessary. Propagation: Type.Vegetative, by rooted cuttings. Rooting habit description.Rhizomes, with short roots. Time to initiate roots.15 to 22 days at 20-25 C. Faster time to produce a rooted cutting.About 60 to 90 days at 20-25 C. Plant: General appearance and form. Height.About 80 cm when grown in ground; about 50 cm when grown in a 26 cm size container. Spread.About 15 cm when grown in ground; About 12 cm when grown in 26 cm size container. Form.Monocot; leaf bases arranged in a rosette around growth point. Shape.Cylindrical. Growth rate and habit.About 2 cm per week; upright. Fragrance.None. Stem.Modified (Rhizome and foliage). Length: About 12 cm when grown in ground; About 8 cm when grown in 21 cm size container. Diameter: About 3.0-4.0 cm. Shape: round. Texture: rough. Color: RHS 4D. Strength: strong and durable. Inter node length: About 0.6 mm to 0.8 mm. Foliage: Quantity.About 4-6 leaves. Arrangement and attachment.Single, alternate; leaf bases arranged in a rosette around growth point. Leaf length.About 30 cm. Leaf width.About 9 cm. Overall shape of leaf: Lanceolated. Apex shape.Acute, triangular. Base shape.Plane. Margin.Sharp, smooth. Texture.Upper Surface: smooth and waxy texture. Under Surface: smooth and waxy texture. Pubescence.None. Color of mature leaf.Upper Surface: RHS 4C, RHS141A and RHS141C. Lower Surface: RHS 4C, RHS141A and RHS141C. Color of immature leaf.Upper Surface: RHS 4C, RHS141A and RHS141C. Lower Surface: RHS 4C, RHS141A and RHS141C. Venation.Pattern: longitudinal/parallel leaf shape. Color: None. Leaf fragrance: None. Inflorescence description: Arrangement and type.Inflorescence. Orientation at opening.Out of the spike. Quantity, per plant with at least one open flower.About 60 at 2 weeks. Inflorescence size.Length: About 35 cm. Diameter: About 1.2 cm. Flower size.Length: About 6 cm. Diameter: About 0.5 cm. Depth: About 1 cm. Fragrance.None. Rate of opening.About 7 to 8 days, according to weather. Shape.Ovoid. Length.About 2 cm. Diameter.About 1 cm. Color.Apex: RHS 149 B. Base: RHS 142 B. Texture (both surfaces).Smooth. Reproductive organs: Androecium.Stamen: Number: 6 per flower. Length: About 1.2 mm. Color: RHS 150D. Anther: Length: About 4 mm. Width: About 1 mm. Color: RHS 150D. Filament: Length: About 1.3 mm. Color: RHS 150 D. Pollen: Amount: moderate. Color: RHS 150D. Gynoecium.Pistil: Number: One per flower. Length: About 1.5 mm. Stigma: Length: About 0.5 mm. Width: About 1 mm. Color: RHS 150D. Style: Length: About 20 mm. Color: RHS 150D. Ovary: Length: About 5 mm. Width: About 4 mm. Color: RHS 143A.