USPP28567P2 - Colocasia plant named ‘Tropical Storm’ - Google Patents
Colocasia plant named ‘Tropical Storm’ Download PDFInfo
- Publication number
- USPP28567P2 USPP28567P2 US14/999,838 US201614999838V USPP28567P2 US PP28567 P2 USPP28567 P2 US PP28567P2 US 201614999838 V US201614999838 V US 201614999838V US PP28567 P2 USPP28567 P2 US PP28567P2
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- tropical storm
- colocasia
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- leaves
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- 241001584859 Colocasia <moth> Species 0.000 title claims abstract description 20
- 230000002062 proliferating effect Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 24
- 210000003462 vein Anatomy 0.000 description 11
- 239000002689 soil Substances 0.000 description 4
- 244000205754 Colocasia esculenta Species 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000010152 pollination Effects 0.000 description 3
- 240000004972 Bergenia crassifolia Species 0.000 description 2
- 235000014785 Bergenia crassifolia Nutrition 0.000 description 2
- 235000006481 Colocasia esculenta Nutrition 0.000 description 2
- 241001454293 Tetranychus urticae Species 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- LMGJXMFXAVSBGN-UHFFFAOYSA-N bis-(ent-9-epi-7,15-isopimaradien-18-yl)malonate Natural products CC1(CCC2C(=CCC3C(C)(COC(=O)CC(=O)OCC4(C)CCCC5(C)C6CCC(C)(CC6=CCC45)C=C)CCCC23C)C1)C=C LMGJXMFXAVSBGN-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229940023569 palmate Drugs 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000021749 root development Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/12—Leaves
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/10—Aroideae, e.g. Zantedeschia
Definitions
- Genus and species Colocasia esculenta.
- the present invention relates to a new and distinct variety of Colocasia commonly known as the taro plant or elephant ears.
- Colocasia is grown as a food crop and for use as an ornamental plant in containers or in the landscape.
- the new cultivar is known botanically as Colocasia esculenta and will be referred to hereinafter by the cultivar name ‘Tropical Storm’.
- Colocasia is a tuberous rooted perennial which is native to tropical Asia and Polynesia. Native plants of Colocasia grow to 1.5 m to 2 m in height from starchy tubers. The leaves of Colocasia are heart-shaped and typically are very large in size.
- the new Colocasia variety named ‘Tropical Storm’ is the product of a formal breeding program carried out in a cultivated area in Kula, Hi.
- the purpose of the breeding program is to develop new commercial varieties by combining attributes not found in currently commercially available varieties.
- Tropical Storm is a seedling selection from the controlled pollination of the Colocasia variety named ‘Black Magic’ (unpatented) as the female parent variety by brushing pollen from the Colocasia variety ‘Nancy's Revenge’ (unpatented) as male parent. Seeds were allowed to mature within the developing fruits that formed after pollination. Seeds were removed around 45 days after pollination, and sown. From the resulting seedlings, the inventor selected ‘Tropical Storm’ in 2007.
- ‘Tropical Storm’ exhibits a compact plant habit with multiple basal branches giving rise to a high leaf count.
- the leaves of ‘Tropical Storm’ are purple-black in color except for a prominent contrasting cream-yellow central streak.
- FIG. 1 shows a mature plant of ‘Tropical Storm’ in the foreground.
- FIG. 2 shows a close-up of the leaf of ‘Tropical Storm’.
- ‘Tropical Storm’ is compact and reaches a mature height of 0.45 m to 0.60 m.
- the leaves of ‘Tropical Storm’ are proportionately smaller than the leaves of either parent.
- the leaves of ‘Black Magic’ are entirely dark purple-black in color and do not exhibit the prominent central cream-yellow streak which characterizes ‘Tropical Storm’.
- the leaves of ‘Nancy's Revenge’ do exhibit a central cream-yellow streak: however, the predominant foliage color of ‘Nancy's Revenge’ is green, whereas the leaves of ‘Tropical Storm’ are predominantly purple-black in color.
- the closest comparison variety in commerce known to the inventor is the male parent variety Colocasia ‘Nancy's Revenge’ whose leaves bear a similarly prominent cream-yellow central streak.
- the predominant leaf color of ‘Nancy's divorce’ is green and the plant height of ‘Nancy's Revenge’ is 1.5 m to 2.0 m.
Abstract
A new cultivar of Colocasia plant named ‘Tropical Storm’ that is characterized by very compact, prolific basal branching and leaves which are purple-black in color except for a prominent contrasting cream-yellow central streak.
Description
This invention was made with Government support under Grant No. 2005-31100-06015/HAW00948H awarded by the U.S. Department of Agriculture. The Government may have certain rights in this invention.
Genus and species: Colocasia esculenta.
Variety denomination: ‘Tropical Storm’.
The present invention relates to a new and distinct variety of Colocasia commonly known as the taro plant or elephant ears. Colocasia is grown as a food crop and for use as an ornamental plant in containers or in the landscape. The new cultivar is known botanically as Colocasia esculenta and will be referred to hereinafter by the cultivar name ‘Tropical Storm’.
Colocasia is a tuberous rooted perennial which is native to tropical Asia and Polynesia. Native plants of Colocasia grow to 1.5 m to 2 m in height from starchy tubers. The leaves of Colocasia are heart-shaped and typically are very large in size.
The new Colocasia variety named ‘Tropical Storm’ is the product of a formal breeding program carried out in a cultivated area in Kula, Hi. The purpose of the breeding program is to develop new commercial varieties by combining attributes not found in currently commercially available varieties.
‘Tropical Storm’ is a seedling selection from the controlled pollination of the Colocasia variety named ‘Black Magic’ (unpatented) as the female parent variety by brushing pollen from the Colocasia variety ‘Nancy's Revenge’ (unpatented) as male parent. Seeds were allowed to mature within the developing fruits that formed after pollination. Seeds were removed around 45 days after pollination, and sown. From the resulting seedlings, the inventor selected ‘Tropical Storm’ in 2007.
‘Tropical Storm’ exhibits a compact plant habit with multiple basal branches giving rise to a high leaf count. The leaves of ‘Tropical Storm’ are purple-black in color except for a prominent contrasting cream-yellow central streak.
The most commonly employed means of asexual propagation of the genus Colocasia is the excision and replanting of a shoot which consists of the apical 1 cm to 2 cm portion of the plant corm with the attached basal 15 cm to 20 cm portion of the petiole. In regions of the world where Colocasia is grown, this plant shoot is known as a “huli”, and the means of propagation is known as “huli propagation”. Asexual propagation by “huli propagation” of ‘Tropical Storm’ began in 2007 at 454 Mauna Place, Kula, Hi. by the inventor using huli propagation whereby the apical shoots are separated from the plant by cutting the shoot at the top of the corm immediately above the newest leaf scar and planted. Evaluation in field and pot studies have shown the unique features of ‘Tropical Storm’ to be stable, uniform, and reproduces true to type in successive generations of asexual propagation.
The following traits have been repeatedly observed and represent the distinguishing characteristics of the new Colocasia cultivar ‘Tropical Storm’. These traits in combination set ‘Tropical Storm’ apart from all other existing varieties of Colocasia known to the inventor. ‘Tropical Storm’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic and cultural conditions, however, without any variance in genotype.
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- 1. Plants of ‘Tropical Storm’ are very compact and exhibit prolific basal branching with high numbers of petioles and leaves.
- 2. The leaves of ‘Tropical Storm’ are purple-black in color, except for a prominent contrasting central streak which is cream-yellow in color.
- 3. The leaves of ‘Tropical Storm’ are presented slightly folded or cupped.
- 4. The leaves of ‘Tropical Storm’ are borne on glossy burgundy-red colored petioles.
- 5. The underside of the leaves of ‘Tropical Storm’ exhibit burgundy-red veins.
- 6. The upper and lower surfaces of the leaves of ‘Tropical Storm’ are matte.
The accompanying color photographs illustrate the overall appearance of ‘Tropical Storm’ showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the drawing may differ from the color values cited in the detailed botanical description, which accurately describe the actual colors of the new variety ‘Tropical Storm’.
The photographs were made from a plant which is approximately 12 months old from a tissue culture division and which had been grown outdoors in Santa Barbara, Calif. No growth regulators had been applied.
The following is a detailed description of the new Colocasia plant named ‘Tropical Storm’. Data was collected from a plant which was 12 months old from a tissue culture division and grown outside in Santa Barbara, Calif. The color determinations are in accordance with The 2007 edition of The Royal Horticultural Society Color Chart, London, England, except where general color terms of ordinary dictionary significance are used. The growing requirements are similar to other Colocasia.
- Botanical classification:
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- Genus.—Colocasia.
- Species.—esculenta.
- Variety.—‘Tropical Storm’.
- Common name.—Taro or elephant ears.
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- Parentage:
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- Female parent.—Colocasia ‘Black Magic’ (unpatented).
- Male parent.—Colocasia ‘Nancy's Revenge’ (unpatented).
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- Plant description:
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- Use.—Container or landscape plant.
- Cultural requirements.—In common with all Colocasia, ‘Tropical Storm’ thrives in high temperatures (above 70° F.), in full sun or partial shade, and is most vigorous when well-watered.
- Root system.—Tuberous.
- Roots.—Fleshy, up to 2 mm in diameter, with fibrous and fine lateral roots; color 155B.
- Root development.—At soil temperatures 20° C. to 25° C., root initials are evident within 3 days. Roots will reach the edge of a 1 gallon container in 14 days.
- Plant vigor.—Vigorous basal branching, forming dense canopy of leaves and stems.
- Plant growth habit.—Upright, domed, non-spreading.
- Plant growth rate.—A one gallon container plant may be produced in 12 to 16 weeks from a 4 cm cell transplant.
- Plant description.—Once a huli or corm is introduced into the soil and the plant is established, additional corms or cormels are produced, attached to the original corm. These cormels give rise to new lateral shoots. A one year old plant of ‘Tropical Storm’ produces 25 to 35 lateral shoots. Lateral shoots begin to appear above soil level about 6 to 8 weeks after planting of the initial plant.
- Corm (formed at base of each petiole or huli).—Shape and dimensions: Short cylindrical, 2 cm to 3 cm in diameter, 1 cm in height. Surface texture: Rough with root initials (eyes). Color ranges between N186A and 202A.
- Cormels (arising from established corm, forming base of new lateral shoot).—Shape and dimensions: Short cylindrical, 1.0 cm to 2.5 cm in diameter, 0.5 cm in height. Surface texture: Rough with root initials (eyes). Color ranges between N186A and 202A.
- Plant dimensions.—45 cm to 60 cm in height and 45 cm to 60 cm in width.
- Plant hardiness.—USDA Zone 7b.
- Propagation.—Propagation is accomplished by huli propagation and by tissue culture.
- Time to develop daughter plants.—Appear above soil around 2 to 3 months after planting.
- Crop time.—1.5 to 2.5 months.
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- Foliage (lateral shoots):
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- Petioles.—Shape: Round section. Petiole base enclosed within short clasping sheath which is open along its uppermost aspect. Length: 12 cm to 30 cm. Diameter: 2.5 mm (just below attachment to lamina), 4 mm (as petiole emerges from sheath), 6 mm (inside the sheath). Strength: Strong, stiff. Color: 187B. Surface texture: Glabrous, glossy. Sap color: Colorless.
- Leaf.—Number: Each lateral shoot bears 1 to 5 leaves at a time. Observed plant has 50 to 60 leaves of all ages. Dimensions at maturity: 17 cm to 20 cm in length and 12 cm to 15 cm in width. Average leaf sinus depth (Mature leaf): 5.5 cm. Attitude: Oblique. Aspect: Erect with apex down. Leaf slightly folded or cupped. Shape: Sagittate. Margins: Entire, slightly undulating. Apex: Acuminate, extends 4 mm. Base: Peltate. Attachment: Petiolate with characteristic tissue formed at junction of leaf blade with the upper termination of the petiole. This area of the leaf tissue is also known as the “piko” and is evident by virtue of its upper surface color being similar to the color of the petiole. The principal veins radiate from the piko. Piko color: 187B. Leaf texture: Matte (both surfaces). Leaf color (except central cream-yellow streak): Adaxial surface: Ranges between N187A and N186A. Abaxial surface: N187B. Leaf color (cream-yellow streak): Adaxial surface: Ranges between 4A and 4C. Abaxial surface (individual leaves): 154C and 1A. Presence of cream-yellow streak: Not present on either surface of first 3 (approximately), leaves of each lateral shoot. From 3rd or 4th leaf, cream-yellow streak increasingly evident on adaxial surface, diffused on abaxial surface. Arrangement and dimensions of cream-yellow streak: Adaxial surface: Dagger-shaped, extending from leaf base (pair) along central vein and partially along lateral veins. Streak does not extend to apex. Length: 10 cm to 12 cm. Width (leaf base): 5 cm to 7 cm. Abaxial surface: Barely apparent. Appears as green-yellow coloration along abaxial central vein and lateral veins. Venation: Palmate. Veins: Three principal veins radiating from the piko: one midrib extending 13 cm to 16 cm from the piko to the tip of the lamina, and one pair of veins extending towards each of the basal lobe margins. Up to eight pairs of secondary veins radiating from the region of the piko and from the midrib. Vein color (both surfaces): 187B.
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- Inflorescence flowers, reproductive organs and seed: None observed.
- Diseases and pests: In common with Colocasias in general, ‘Tropical Storm’ is susceptible to attack by Tetranychus urticae, commonly known as red spider mite. Otherwise, the inventor has not observed that ‘Tropical Storm’ is more or less susceptible to pests or diseases than other cultivars of the genus.
Whereas both ‘Black Magic’ and ‘Nancy's Revenge’ reach a mature height of 1.5 m to 2.0 m, ‘Tropical Storm’ is compact and reaches a mature height of 0.45 m to 0.60 m. The leaves of ‘Tropical Storm’ are proportionately smaller than the leaves of either parent. In addition, the leaves of ‘Black Magic’ are entirely dark purple-black in color and do not exhibit the prominent central cream-yellow streak which characterizes ‘Tropical Storm’. The leaves of ‘Nancy's Revenge’ do exhibit a central cream-yellow streak: however, the predominant foliage color of ‘Nancy's Revenge’ is green, whereas the leaves of ‘Tropical Storm’ are predominantly purple-black in color.
The closest comparison variety in commerce known to the inventor is the male parent variety Colocasia ‘Nancy's Revenge’ whose leaves bear a similarly prominent cream-yellow central streak. However, the predominant leaf color of ‘Nancy's revenge’ is green and the plant height of ‘Nancy's Revenge’ is 1.5 m to 2.0 m.
Claims (1)
1. A new and distinct cultivar of Colocasia plant named ‘Tropical Storm’ as described and illustrated herein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/999,838 USPP28567P2 (en) | 2016-07-07 | 2016-07-07 | Colocasia plant named ‘Tropical Storm’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US14/999,838 USPP28567P2 (en) | 2016-07-07 | 2016-07-07 | Colocasia plant named ‘Tropical Storm’ |
Publications (1)
Publication Number | Publication Date |
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USPP28567P2 true USPP28567P2 (en) | 2017-10-24 |
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US14/999,838 Active USPP28567P2 (en) | 2016-07-07 | 2016-07-07 | Colocasia plant named ‘Tropical Storm’ |
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2016
- 2016-07-07 US US14/999,838 patent/USPP28567P2/en active Active
Non-Patent Citations (1)
Title |
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http://www.greenhousegrower.com/varieties/16-new-foliage-plants-to-round-out-the-garden/; Jan. 17, 2016; 7 pages. * |
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