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Research Project: CONSERVATION, CHARACTERIZATION, AND GENETIC IMPROVEMENT OF SUBTROPICAL AND TROPICAL ORNAMENTAL GERMPLASM

Location: Miami, Florida

Title: Three cultivars of Tecoma guarume

Authors

Submitted to: HortScience
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: November 8, 2007
Publication Date: April 1, 2008
Publisher's URL: http://hortsci.ashspublications.org http://hortsci.ashspublications.org http://hortsci.ashspublications.org
Reprint URL: http://hortsci.ashspublications.org
Citation: Meerow, A.W., Ayala Silva, T. 2008. Three cultivars of Tecoma guarume. HortScience.

Interpretive Summary: We report on the release of Tecoma guarume `Miami Sunrise¿, `Miami Sunset¿, and `Tangelo¿, superior seedling selections of a semi-deciduous subtropical/tropical flowering shrub, through the National Germplasm System. These three selections each showed consistent color variation that warranted their recognition as distinct cultivars. One (`Miami Sunrise¿) is shorter growing than the other two. We believe that these fast-growing cultivars have great potential for use as landscape shrubs in USDA Hardiness Zones 9A-11, and probably as root-hardy perennials in Zone 8.

Technical Abstract: Tecoma guarume is a semi-deciduous shrub rarely reaching 3 m in height, with yellowish-orange flowers that is endemic to Ica Department of south-central coastal Peru, mostly along rivers on sandy soils from 450-1200 m elevation. In this paper, we announce the formal recognition and release of three distinct floral color forms of this species, Tecoma guarume `Miami Sunrise¿, `Miami Sunset¿, and `Tangelo¿ are seedling selections from progeny grown from seed received in 2000. While the majority of the seedlings grown produced uniformly yellowish-orange flowers, these three selections each showed consistent color variation that warranted their recognition as distinct cultivars. One (`Miami Sunrise¿) is of smaller stature than the other two. We believe that these fast-growing cultivars have great potential for use as landscape shrubs in USDA Hardiness Zones 9A-11, and probably as root-hardy perennials in Zone 8.

   

 
Project Team
Meerow, Alan
Ayala-Silva, Tomas
 
Publications
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Related National Programs
  Plant Genetic Resources, Genomics and Genetic Improvement (301)
 
 
Last Modified: 09/19/2008
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