TAXONOMIC REVIEW OF HOUSTONIA ACEROSA AND H. PALMERI, WITH NOTES ON HEDYOTIS AND OLDENLANDIA (RUBIACEAE)

Generic relationships among Houstonia, Oldenlandia, and Hedyotis are discussed. Seed and other morphological characters, chromosome numbers, and limited DNA data support the division of Hedyotis into smaller genera. The taxonomy and nomenclature of Houstonia acerosa and H. palmeri are revised to acc...

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Bibliographic Details
Published in:SIDA, contributions to botany contributions to botany, 2001-12, Vol.19 (4), p.913-922
Main Author: Terrell, Edward E.
Format: Article
Language:English
Subjects:
Biological taxonomies
Chromosome morphology
Chromosomes
Genera
Habitats
Plants
Ploidies
Seeds
Terminology
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Summary:Generic relationships among Houstonia, Oldenlandia, and Hedyotis are discussed. Seed and other morphological characters, chromosome numbers, and limited DNA data support the division of Hedyotis into smaller genera. The taxonomy and nomenclature of Houstonia acerosa and H. palmeri are revised to accommodate two recently described varieties, H. acerosa var. tamaulipana and H. palmeri var. muzquizana. Se analizan las relaciones genéricas entre Houstonia, Oldenlandia y Hedyotis. Datos de la semilla, otros caracteres morfológicos, número de cromosomas, y datos limitados del ADN apoyan la división de Hedyotis en géneros más pequeños. Se revisó la taxonomía y la nomenclatura de Houstonia acerosa y H. palmeri para acomodar dos variedades recientemente descritas, H. acerosa var. tamaulipana y H. palmeri var. muzquizana.
ISSN:0036-1488
2334-3273