Balbina Vázquez- National Autonomous University of Mexico
Balbina Vázquez
- National Autonomous University of Mexico
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4
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Publications (4)
The genus Coryphantha includes plants with globose to cylindrical stems bearing furrowed tubercles, flowers arising at the apex, and seeds with flattened testa cells. Coryphantha is the second richest genus in the tribe Cacteae. Nevertheless, the genus lacks a phylogenetic framework. The limits of Coryphantha with its sister genus Escobaria and the...
In the present study, chromosome numbers (2n) and karyotypes for the following taxa were obtained: Tradescantia crassifolia Cav. subsp. acaulis (Martens y Galeotti) D. Hunt, Gibasis shiedeana (Kunth) D. Hunt, Cymbispatha commelinoides (Shult. f.) Pichon, Commelina communis L., C. diffusa Burm. f. and C. coelestis Willd. For T. crassifolia subsp. ac...
Coryphantha tiene entre 43 y 67 especies. Los patrones de variación morfológica del género se han interpretado de distintas formas y han conducido a una taxonomía inestable, de manera que aún no se ha establecido un consenso en la delimitación de las especies. Clasificaciones previas de Coryphantha se han basado en caracteres cualitativos. Para dil...
In this work, a xerophytic garden was designed and established for science popularization purposes. This was made on a green area of the Facultad de Estudios Superiores Zaragoza of the National University, at the East of Mexico City. The garden design was outlined by drawing on the soil surface, a logarithmic spiral, a Vitrubius star, a fractal pen...
