Background:

As a result of botanical explorations carried out for the project Bromeliaceae of Mexico, we collected plants of the genus Hechtia within the Sierra de Huautla Biosphere Reserve, in Xochipala, municipality of Tlaquiltenango, Morelos, Mexico. However, this plant does not resemble any known species.

Question:

Do the Hechtia populations in Xochipala correspond to an undescribed taxon?

Studied species:

Species of Hechtia previously reported from Morelos and all the taxa with greater morphological similarity to the new proposed taxon.

Study site and date:

Xochipala, municipality of Tlaquiltenango, Morelos, Mexico, 2023.

Methods:

Our research involved field work, review of herbarium specimens, protologues, and type material of all the species of Hechtia distributed in Morelos, in the neighboring states of Puebla and Guerrero, and of the most morphologically similar taxa.

Results:

After a careful and detailed review of the living material and herbarium specimens, we conclude that those plants belong to an undescribed taxon that we propose here. A morphological description, images, and a distribution map of Hechtia cerrostlatilpae are included, as well as an identification key and a list of examined specimens of all Hechtia species known from the state of Morelos.

Conclusions:

The discovery of a new species of Hechtia in Xochipala, Morelos, Mexico increases the plant diversity of Morelos, particularly at the Sierra de Huautla Biosphere Reserve. Hechtia cerrostlatilpae presents unique vegetative and floral characters that allow its recognition as a new species within the genus.

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