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handle: 10261/262550
En este avance de la revisión taxonómica que se adelanta para el género Quararibea (Malvaceae) del norte de Sudamérica, se describen tres especies nuevas que se comparan morfológicamente con las espe-cies afines en cada caso. La primera especie, Q. cornejoi, conocida de los bosques muy húmedos del Occidente de Ecuador, la asociamos con Q. grandifolia y Q. casasecae, taxones distribuidos también en el corredor Pacífico de Ecuador y Colombia. La segunda, Q. latilimbata, de los bos-ques subandinos de la Cordillera Central del Departamento de Antioquia, Colombia, es afín a las especies anteriores y a la especie amazónica Q. duckei. Todas estas comparten una característica inusual en el género: el androceo con las ramas estaminales largas. Por último, se describe Q. villanuevae de los bosques secos del alto Valle del Magdalena en elDepartamento del Tolima, Colombia, que relacionamos con las especiesandinas Q. foenigraeca y Q. caldasiana. Estas tres últimas especies pre-sentan androceo con ramas estaminales más reducidas y se asignan a ungrupo morfológico diferente. Se incluyen ilustraciones y fotografías de-talladas de las especies nuevas y también claves para la identificación de las especies tratadas
In this advance of the taxonomic revision that is being carried out in the genus Quararibea (Malvaceae) for the north of South America, three new species are described in this contribution, which are compared morphologically with the species considered related in each case. A first, Q. cornejoi, known from the wet forests of western Ecuador that we associate with Q. grandifolia and Q. casasecae, taxa also distributed in the Pacific corridor of Ecuador and Colombia. A second species, Q. latilimbata, from the sub-Andean forests of the Central Cordillera of the Department of Antioquia, Colombia, related to the previous species and to the Amazonian species Q. duckei. All of them with an unusual trait in the genus, an androecium with the long staminal branches. Finally, Q.villanuevae, from the dry forests of the upper Magdalena Valley in the Department of Tolima, Colombia, associated with the Andean species Q. foenigraeca and Q. caldasiana. These last three species, which have androecium with smaller staminal branches, are assigned to a different morphological group. Illustrations and detailed photographs of the new species are included as well as keys to the identification of the treated species.
Matisieae, Quararibea, Malvoideae, South America, Sudamérica, taxonomía, Taxonomy
Matisieae, Quararibea, Malvoideae, South America, Sudamérica, taxonomía, Taxonomy
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