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Article
Published: 2022-07-21

Graptopetalum kristenii (subg. Glassia, Crassulaceae), a new haplostemonous species from Michoacán, Mexico

Santa Elena, Atotonilco, Jalisco, México
Herbario IBUG, Instituto de Botánica, Departamento de Botánica y Zoología, Universidad de Guadalajara, km 15.5 Guadalajara-Nogales, Las Agujas, Nextipac, Zapopan, C.P. 45110, Jalisco, México
Vallarta Nte., Justo Sierra 2807, Guadalajara 44690, Jalisco, México
Eudicots endemic Graptopetalum pentandrum Sierra de Coalcomán stamens Western Mexico

Abstract

A new haplostemonous species of Graptopetalum (subg. Glassia, Crassulaceae) from the Sierra de Coalcomán, Michoacán, is described and illustrated. It differs from its morphologically closest species, G. pentandrum, by having a smaller rosette diameter, broadly oblong leaves, its basal inflorescence branch with fewer flowers than in the rest of branches, a smaller flower diameter, wider petals, and its petal color pattern. It was assessed as Critically Endangered (CR) following the IUCN criteria. A key to the haplostemonous species of Graptopetalum (subg. Glassia) is provided.

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