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New additions of Spigelia (Loganiaceae) in Mexico
Two new species of Spigelia (Loganiaceae) from the states of Guerrero and Estado de Mexico are described, which places the country as the second highest area of diversity after Brazil.
A new species of Spigelia L. (Loganiaceae) from Mexico
A new Mexican species of Spigelia (Loganiaceae), distributed in the states of Guerrero and Michoacan, is described, highlighting this country as a center of diversity for this genus.
Matelea ojadapantha (Apocynaceae; Asclepiadoideae; Gonolobeae; Gonolobinae), a new species from México
- Leonardo O. Alvarado-Cárdenas, C. S. Islas-Hernández, María Guadalupe Chávez-Hernández
- 6 October 2020
A new species of Matelea from central and southern México with green to black corollas and pubescent lobes is described here: Matelea ojadapantha. This taxon is morphologically similar to M.…
Spigelia elbakyanii, a new species from Oaxaca, Mexico
This species is similar to S. humboldtiana and S. anthelmia, due to its size and white flowers, but the leaf texture, phyllotaxy below the inflorescence, and the style length are characters that allow to recognize it as a new species.
Morphological Diversity and Taxonomic Importance of Fruits and Seeds of the Genus Spigelia (Loganiaceae) in Mexico
- C. S. Islas-Hernández, Leonardo O. Alvarado-Cárdenas, Julieta A. Rosell, H. Ochoterena, J. Villaseñor
- BiologySystematic Botany
- 21 March 2022
The fruits and seeds of the Mexican Spigelia species proved to be taxonomically useful, allowing the differentiation of four main clusters of species separated by the size of the analyzed structures in the three analyses.