Results 61 to 70 of about 167 (90)

Una especie nueva y primer registro del género Atrostemma (Apocynaceae, Asclepiadoideae, Gonolobinae) en México

open access: yes
Antecedentes y Objetivos: El género Atrostemma (Apocynaceae) alberga 10 especies de plantas trepadoras de la subtribu Gonolobinae, distribuidas desde Guatemala hasta Brasil.
Carlos J. Rodríguez-Gómez   +4 more
core   +1 more source

Tres especies de Phaeostemma(Apocynaceae, Asclepiadoideae, Gonolobinae) nuevas para la ciencia

open access: yes, 2017
Se describen e ilustran tres especies de Phaeostemma E. Fourn. (Apocynaceae, Asclepiadoideae, Gonolobinae) nuevas para la ciencia. Las tres especies, fueron halladas en el este ó sureste de Brasil, la primera en el Estado de Río de Janeiro y la segunda ...
Morillo, G.
core  

Multilocus Phylogenetics of New World Milkweed Vines (Apocynaceae, Asclepiadoideae, Gonolobinae)

open access: yesSystematic Botany, 2018
Subtribe Gonolobinae of the cosmopolitan family Apocynaceae is diverse and represents the largest radiation of milkweeds in the New World (∼500 species). The largest genus, Matelea, is an amalgam that was united largely by a perceived lack of discrete morphological variation, particularly in floral structures.
Angela McDonnell, Mark Fishbein
exaly   +5 more sources
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Phylogenetics of the New World Subtribes of Asclepiadeae (Apocynaceae—Asclepiadoideae): Metastelmatinae, Oxypetalinae, and Gonolobinae

Systematic Botany, 2005
Abstract Analysis of the trnT-trnL spacer, the trnL intron, the trnL-trnF spacer, and the rps16 intron of 106 species in 34 of the 45 genera of New World Asclepiadeae in the former subtribes Metastelmatinae, Oxypetalinae, and Gonolobinae shows that these genera form a well-supported clade (“MOG”).
David Goyder   +2 more
exaly   +2 more sources

A remarkable new species of Dictyanthus (Apocynaceae, Asclepiadoideae, Asclepiadeae, Gonolobinae) restricted to Jalisco, México

open access: yesPhytotaxa, 2022
Dictyanthus nichongus (Apocynaceae), a new species endemic to Jalisco, México, is described and illustrated herein. Dictyanthus macvaughianus, D. parviflorus, and D. tuberosus exhibit morphological similarities, but the new species differs from all of them by the combination of its flower size, corolla color, and stylar head shape and exsertion.
LEONARDO O. ALVARADO-CÁRDENAS   +2 more
openaire   +3 more sources

A New Species of Matelea (Apocynaceae, Gonolobinae) from Bolivia and an Assessment of Matelea in Bolivia

Novon, A Journal for Botanical Nomenclature, 2023
Matelea anomala Morillo, Meve & Liede (Apocynaceae, Asclepiadeae, Gonolobinae) is here described and illustrated. The new taxon, known only from a single locality in eastern central Bolivia, is characterized by very small flowers with a campanulate corolla and recurved, abaxially pubescent and not ocellate corolla lobes, an annular corona with ...
Gilberto Morillo   +2 more
openaire   +1 more source

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