Mexican yew
Mexican yew | ||||||||||||
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Mexican yew ( Taxus globosa ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Taxus globosa | ||||||||||||
Schltdl. |
The Mexican yew ( Taxus globosa ) is a plant from the genus of yew ( Taxus ) in the family of yew plants (Taxaceae).
description
Vegetative characteristics
The Mexican yew grows as an evergreen shrub or small tree and reaches heights of 4 to 6 meters. The needles are lighter in color and longer than those of the European yew .
Generative characteristics
The Mexican yew is dioeciously separated sex ( diocesan ). The seed coat ( arillus ) surrounding the seeds turns red when ripe and is the largest of all Taxus species with a diameter of 9 to 12 millimeters .
Occurrence
Taxus globos is distributed from Mexico through southern Guatemala , northern Honduras to southern El Salvador . It occurs in the Mexican states of Nuevo León , Tamaulipas , San Luis Potosí , Querétaro , Hidalgo , Veracruz , Tlaxcala , Puebla and Oaxaca . Despite the wide distribution area, Taxus globos is usually not common in Mexico.
In Guatemala it grows at altitudes of 2200 to 3000 meters.
Taxonomy
The first description of Taxus globos was made in 1838 by Diederich Franz Leonhard von Schlechtendal in Linnaea 496th, Volume 12, Page synonyms for Taxus globos Schltdl. are: Taxus baccata subsp. globosa (Schltdl.) pilgrims , Taxus baccata var. globosa (Schltdl.) Elwes .
swell
- Christopher J. Earle: Taxus globosa. In: The Gymnosperm Database. March 1, 2019, accessed May 10, 2019 .
Individual evidence
- ↑ a b Christopher J. Earle: Taxus globosa. In: The Gymnosperm Database. March 1, 2019, accessed May 10, 2019 .
- ^ A b c Taxus globosa in Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved May 10, 2019.
- ↑ Thomas T. Veblen: Guatemala is one of the few tropical highland regions in are well represented. Food and Agriculture Organization of the United Nations ( FAO ), accessed on October 25, 2011 (English, mention of the occurrences in Guatemala).
- ↑ a b Taxus globosa at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed May 10, 2019.
Web links
- Vascular Plants of the Americas : Taxus globosa at Tropicos.org. In: 83 . Missouri Botanical Garden, St. Louis
- Taxus globosa inthe IUCN 2013 Red List of Threatened Species . Posted by: P. Thomas, 2012. Retrieved November 28, 2013.