Results 121 to 130 of about 351 (147)

A new species of Cascabela (Apocynaceae; Rauvolfioideae, Plumerieae) from Michoacán, Mexico

open access: greenPhytotaxa, 2014
A new species of Cascabela endemic to the Balsas Basin from Michoacán, Mexico is described and illustrated. Cascabela balsaensis can be separated from all known species of the genus because of its elliptic-lanceolate to lanceolate and subcoriaceous leaves with dense pubescence, very small calycine colleters, and shorter corollas.
Alvarado-Cárdenas, Leonardo O.   +1 more
core   +5 more sources

A new species of Tabernaemontana (Apocynaceae; Rauvolfioideae: Tabernaemontaneae) from Mexico

open access: greenPhytotaxa, 2018
A new species of Tabernaemontana from south-eastern Mexico is described and illustrated. Tabernaemontana riverae is separated from all known species of the genus by its long elliptic–lanceolate sepals and infundibuliform corolla. The new species is endemic to Mexico and only observed in the states of Oaxaca, Tabasco, and Veracruz.
Alvarado-Cárdenas, Leonardo O.   +1 more
core   +5 more sources

A NEW SPECIES OF ALSTONIA (APOCYNACEAE: RAUVOLFIOIDEAE) FROM VIETNAM

open access: yesHarvard Papers in Botany, 2005
A new species, Alstonia vietnamensis D. J. Middleton, from the Nghe An province of Vietnam is described.
Middleton, David J.
exaly   +3 more sources
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New Records of Rauvolfioideae (Apocynaceae, Gentianales) for Paraíba State, Brazil

Harvard Papers in Botany, 2020
This paper presents five new records of Rauvolfioideae for Paraiba state, northeastern Brazil: Aspidosperma discolor, A. melanocalyx, Macoubea guianensis, Tabernaemontana catharinensis, and T. flavicans, with the genus Macoubea being recorded for the first time in Paraiba state.
José Iranildo Miranda de Melo
exaly   +2 more sources

Leaf colleters in Tabernaemontana catharinensis (Apocynaceae, Rauvolfioideae): structure, ontogenesis, and cellular secretion

open access: yesBotany, 2015
Colleters, which are glands that produce sticky secretion, have ecological and taxonomic relevance in Apocynaceae. We studied the distribution, morphology, ontogenesis, and cellular secretions of leaf colleters in Tabernaemontana catharinensis A.DC.
Canaveze, Yve, Machado, Silvia Rodrigues
openaire   +3 more sources

Pollen morphology and phylogeny of the tribe Tabernaemontaneae (Apocynaceae, subfamily Rauvolfioideae)

Taxon, 2012
Abstract Both the tribe Tabernaemontaneae and the genus Tabernaemontana have been much discussed concerning delimitation and classification. In the present paper, the pollen morphology of Tabernaemontaneae s.l.
Jasmijn C. van der Weide   +1 more
exaly   +2 more sources

The chloroplast genome of Hancornia speciosa Gomes: structural organization and phylogenomic studies in Rauvolfioideae (Apocynaceae)

Revista Brasileira De Botanica, 2019
The chloroplast genomes have been utilized in many studies of evolution, population structure and molecular identification. The aim of this study was to assemble the chloroplast genome of Hancornia speciosa Gomes, an economically important fruit species from Brazil, using next-generation sequencing data in order to reconstruct the phylogenetic analysis
Cicero Almeida, André Marques
exaly   +2 more sources

The triad of knowledge: Systematic, diversity and conservation status of the Mexican species of Tabernaemontana (Apocynaceae; Rauvolfioideae: tribe Tabernaemontaneae)

open access: greenPhytotaxa, 2019
In this study, we update the systematics of the Tabernaemontana and describe the general patterns of species diversity and conservation status in Mexico. A total of 18 species were registered, including one cultivated species, two new species described here (T. chamelensis L.O. Alvarado & Lozada-Pérez and T. ochoterenae L.O. Alvarado & S. Islas)
Alvarado-Cárdenas, Leonardo O.   +7 more
openaire   +4 more sources

Reproductive biology and functional aspects of the floral morphology of Rauvolfia sellowii Mull. Arg. (Apocynaceae; Rauvolfioideae) - a report of dioecy in Apocynaceae

Botanische Jahrbücher Für Systematik, Pflanzengeschichte Und Pflanzengeographie, 2002
KOCH, I., BITTRICH, V. & SUMIKO KINOSHITA, L.: Reproductive biology and functional aspects of the floral morphology of Rauvolfia sellowii Mu ll. Arg. (Apocynaceae; Rauvolfioideae) — a report of dioecy in Apocynaceae. — Bot. Jahrb. Syst. 124. 83‐104. — ISSN 0006‐ 8152. During studies on the reproductive biology of Rauvolfia sellowii Mu ll. Arg.
Íngrid Koch
exaly   +2 more sources

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