Studies on Mexican Cactaceae. V. Taxonomic notes on Selenicereus tricae

Selenicereus tricae is a poorly known species from Belize, Guatemala, and Mexico. We present a morphological and anatomical description of this plant and provide data on its habitat and geographical distribution. In addition, we discuss its taxonomic affinities with S. inermis, S. wercklei, and S. r...

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Bibliographic Details
Published inBrittonia Vol. 66; no. 1; pp. 51 - 59
Main Authors Gómez-Hinostrosa, Carlos, Hernández, Héctor M., Terrazas, Teresa, Correa-Cano, María Eugenia
Format Journal Article
LanguageEnglish
Published Boston The New York Botanical Garden Press 01.03.2014
Springer US
Subjects
Anatomy
Biomedical and Life Sciences
Cactus
Flowers
Habitat conservation
Life Sciences
New species
Perianths
Plant Anatomy/Development
Plant Ecology
Plant Physiology
Plant Sciences
Plant Systematics/Taxonomy/Biogeography
Seeds
Stems
Taxonomy
Tropical forests
Wool
Guatemala
Mexico
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ISSN0007-196X
1938-436X
DOI10.1007/s12228-013-9308-y

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Summary:Selenicereus tricae is a poorly known species from Belize, Guatemala, and Mexico. We present a morphological and anatomical description of this plant and provide data on its habitat and geographical distribution. In addition, we discuss its taxonomic affinities with S. inermis, S. wercklei, and S. rubineus, its hypothetical closest relatives. Selenicereus tricae has already been combined with S. inermis, as subsp. tricae, and two new combinations are proposed here: S. inermis subsp. rubineus and S. inermis subsp. wercklei. The presence in S. inermis subsp. tricae of diagnostic morphological and anatomical features of Selenicereus and Hylocereus suggests that these two genera should probably be merged. Selenicereus tricae es una especie de Belice, Guatemala y México poco conocida. Se presenta una descripción morfológica y anatómica detallada, y se aportan algunos datos sobre su hábitat y distribución geográfica. Además, se discuten sus afinidades taxonómicas con S. inermis, S. wercklei y S. rubineus, sus supuestos parientes más cercanos. Selenicereus tricae ha sido ya combinada justificadamente con S. inermis, como subsp. tricae, y se proponen aquí dos nuevas combinaciones: S. inermis subsp. rubineus y S. inermis subsp. wercklei. La presencia en S. inermis subsp. tricae de caracteres morfológicos y anatómicos diagnósticos de Selenicereus e Hylocereus sugieren que estos dos géneros podrían ser fusionados.
ISSN:0007-196X
1938-436X
DOI:10.1007/s12228-013-9308-y