Anthurium plant named ‘Atwenty’

Details Anthurium plant named ‘Atwenty’ Anthurium plant named ‘Atwenty’

2000-05-11

2001-07-31

Campell, Bruce R. (Department: 1661)

Plants

Rose

Climber

Plant Patent

active

PP012028

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Anthurium plant, botanically known as Anthurium hybrid, and hereinafter referred to by the cultivar name Atwenty.
The new cultivar is a product of a planned and controlled breeding program conducted by the Inventor in Altha, Fla. The objective of the breeding program is to create dwarf and early-flowering potted anthurium cultivars with attractive spathe color, good spathe longevity, and short production time. The new cultivar originated from a deliberate cross by the Inventor in 1993 between the Anthurium cultivar A2, disclosed in U.S. Plant Pat. No. 10,210, as the female or seed parent and a proprietary Anthurium seedling selection identified as code number 91-94-2, as the male or pollen parent. The cultivar Atwenty was discovered and selected by the Inventor as a plant within the progeny of the stated cross in a controlled environment in Altha, Fla., in 1994.
Asexual propagation of the new cultivar by tissue culture in Altha, Fla., has shown that the unique features of this new Anthurium plant are stable and reproduced true to type in successive generations of asexual propagation.
SUMMARY OF THE INVENTION
The new Anthurium has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, light intensity, fertilizer rate, irrigation amount and frequency, and/or propagation procedures without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Atwenty’. These characteristics in combination distinguish ‘Atwenty’ as a new and distinct cultivar:
1. Plants of the new Anthurium have a dwarf growth habit and are suitable for 7.5 to 15-cm containers.
2. Plants of the new Anthurium are very vigorous.
3. Plants of the new Anthurium are freely and early flowering.
4. Plants of the new Anthurium have large spathes in proportion to the overall plant size.
5. Spathes of plants of the new Anthurium are held just above the leaves on straight, thick and strong peduncles.
6. Young spathes of plants of the new Anthurium are salmon pink in color with various amounts of green coloration in the lobes.
7. Young spadices of plants of the new Anthurium are bright yellow in color.
8. Spathes of plants of the new Anthurium are long-lasting. Ornamental value is maintained for several months after maturity.
9. Attractiveness of plants of the new Anthurium is enhanced by the differently colored inflorescences at various stages of development.
Plants of the new Anthurium differ from plants of the female parent, the cultivar A2, in the following characteristics:
1. Plants of the new Anthurium are larger and more vigorous than plans of the cultivar A2.
2. Plants of the new Anthurium are more upright with a more open growth habit than plants of the cultivar A2.
3. Plants of the new Anthurium are not as freely branching as plants of the cultivar A2.
4. Plants of the new Anthurium have a slightly shorter production time, flower slightly earlier, but are not as freely flowering as plants of the cultivar A2.
5. Leaves of plants of the new Anthurium are larger, with more cordate bases and slightly longer apices than leaves of plants of the cultivar A2.
6. Young newly unfurled leaves of plants of the new Anthurium are usually darker and more brown in color than newly unfurled leaves of plants of the cultivar A2.
7. Plants of the new Anthurium have longer petioles than plants of the cultivar A2.
8. Spathes of plants of the new Anthurium are held more horizontal (less upright) and are situated slightly closer to the foliage than spathes of plants of the cultivar A2.
9. Spathes of plants of the new Anthurium are larger, more deltoid in shape, and have more cordate bases than spathes of plants of the cultivar A2.
10. Spathes of plants of the new Anthurium are slamon pink in color whereas spathes of plants of the cultivar A2 are pink in color.
11. Spathes of plants of the new Anthurium usually have some green coloration in the lobes whereas spathes of plants of the cultivar A2 do not have any green coloration.
12. Spathes of plants of the new Anthurium are glossier than spathes of plants of the cultivar A2.
13. Spathes of plants of the new Anthurium maintain color longer than spathes of plants of the cultivar A2.
14. Spathes of plants of the new Anthurium age more attractively as spathe color darkens with age whereas spathes of plants of the cultivar A2 gradually fade in color with age.
15. Young spadices of plants of the new Anthurium are bright yellow in color whereas young spadices of plants of the cultivar A2 are pink in color.
Plants of the new Anthurium differ from plants of the male parent, the proprietary seedling selection identified as code number 91-94-2, in the following characteristics:
1. Plants of the new Anthurium are smaller than plants of the selection 91-94-2.
2. Plants of the new Anthurium have smaller leaves than plants of the selection 91-94-2.
3. Plants of the new Anthurium have smaller spathes than plants of the selection 91-94-2.
4. Plants of the new Anthurium have salmon pink-colored spathes whereas plants of the selection 91-94-2 have red-colored spathes.
Plants of the new Anthurium can be compared to its sibling, the Anthurium cultivar Atwelve, disclosed in U.S. Plant patent application Ser. No. 09/292,198. However, in side-by-side comparisons conducted in Altha, Fla., plants of the new Anthurium differ from plants of the cultivar Atwelve in the following characteristics:
1. Plants of the new Anthurium are larger and more vigorous than plants of the cultivar Atwelve.
2. Plants of the new Anthurium are more upright with a more open growth habit than plants of the cultivar Atwelve.
3. Plants of the new Anthurium are not as freely branching as plants of the cultivar Atwelve.
4. Plants of the new Anthurium are slightly less freely flowering than plants of the cultivar Atwelve.
5. Leaves of plants of the new Anthurium are larger with more cordate bases than leaves of plants of the cultivar Atwelve.
6. Plants of the new Anthurium have longer petioles than plants of the cultivar Atwelve.
7. Spathes of plants of the new Anthurium are situated closer to the foliage than spathes of plants of the cultivar Atwelve.
8. Spathes of plants of the new Anthurium are larger, more deltoid in shape, have more cordate bases, and have longer more aristate apices than spathes of plants of the cultivar Atwelve.
9. Spathes of plants of the new Anthurium are salmon pink in color whereas spathes of plants of the cultivar Atwelve are red in color.
10. Spathes of plants of the new Anthurium usually have some green coloration in the lobes whereas spathes of plants of the cultivar Atwelve do not have any green coloration.
11. The rear surface of the spathes of plants of the new Anthurium are not as glossy as the rear surface of spathes of plants of the cultivar Atwelve.
12. Spathes of plants of the new Anthurium age more attractively as spathe color darkens with age whereas spathes of plants of the cultivar Atwelve gradually fade in color with age.
13. Spadix rachis of plants of the new Anthurium is yellow-cream in color whereas spadix rachis of plants of the cultivar Atwelve is green in color.
Plants of the new Anthurium can also be compared to its sibling, the Anthurium cultivar Aeighteen, disclosed in U.S. Plant patent application Ser. No. 09/405,606. However, in side-by-side comparisons conducted in Altha, Fla., plants of the new Anthurium differ from plants of the cultivar Aeighteen in the following characteristics:
1. Plants of the new Anthurium are slightly less upright than plants of the cultivar Aeighteen.
2. Plants of the new Anthurium are slightly less freely branching than plants of the cultivar Aeighteen.
3. Leaves of plants of the new Anthurium are broader, more ovate (less lanceolate) with a lower length to width ratio than leaves of plants of the cultivar Aeighteen.
4. Leaves of plants of the new Anthurium lave cordate-shaped bases whereas lea

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