NELLYDIEGOAE Carrillo & Pérez-Calix, 2008
Published in Acta Botanica Mexicana 84: 9-15 (2008)
Distribution : North Guerrero, northwest Oaxaca and southwest Puebla, 900 to 1900 m alt. growing on calcareous soil and in deciduous tropical forests .
Closely related to T. platyphylla. The rosette leaves have crenulate red margins and the inflorescences are up to 1 m high.