Results 21 to 30 of about 466 (149)
Sobre la identidad de Spermacoce polygonifolia ySpermacoce perijaensis(Spermacoceae-Rubiaceae) [PDF]
Rodriguésia, 2015 ResumenDos nuevas combinaciones en especies de la tribu Spermacoceaepara Sudamérica son aquí presentadas: Spermacoce polygonifoliase transfiere al género Mitracarpus y S. perijaensis a Tobagoa.
Roberto M. Salas +2 more
doaj +5 more sources
Revisão de Mitracarpus (Rubiaceae - Spermacoceae) para o Brasil [PDF]
Rodriguésia, 2010 Resumo O presente trabalho consiste da revisão de Mitracarpus para o Brasil, com base em observações de campo e estudo de espécimes de herbário. Mitracarpus é um gênero neotropical, distribuindo-se desde o sul dos Estados Unidos até o centro da Argentina,
Elnatan Bezerra de Souza +2 more
doaj +3 more sources
Scandentia, nuevo género de Rubiaceae-Spermacoceae
Darwiniana, 2001 Un nuevo género, Scandentia, es propuesto, representado por cuatro especies, dos de las cuales se han separado de Borreria sect. Galianthe: S. cymosa y S. monodon y otras dos son nuevas: S. andreii y S. macrobracteata.
Elsa L. Cabral, Nélida M. Bacigalupo
doaj +1 more source
TAXONOMIC DEVELOPMENTS IN GALIANTHE AND BORRERIA (RUBIACEAE-SPERMACOCEAE)
Bonplandia, 2000 Three new species, Galianthe andersonii E.L.Cabral, Galianthe macedoi E.L.Cabral, Galianthe reitzii E.L.Cabral are described and illustrated and two new combinations, Galianthe peruviana(Pers.) E.L.Cabral and Borreria crispata (K. Schum.) E.L.Cabral
Elsa L. Cabral, Nélida M. Bacigalupo
doaj +1 more source
Botanical Journal of the Linnean Society, 2023 Abstract The orbicules are tiny structures of sporopollenin that occur on the interior wall of anthers in several groups of plants, and they are associated with pollen grains and tapetal cells. Although their function remains still unresolved, they have been widely used in systematics.
Nuñez Florentin, Mariela +3 more
openaire +3 more sources
Neomartensia(Spermacoceae, Rubiaceae) género nuevo de México
Acta Botanica Hungarica, 2010 The new genus is based on Declieuxia galeottii M. Martens described in 1844. Its taxonomic position has been doubtful up to now. Kirkbride excluded it from Declieuxia (1976) and it was transferred into four different genera ( Manettia in 1927 ...
A. Borhidi, L. Lozada-Pérez
openaire +2 more sources
Denscantia, nuevo nombre en reemplazo de Scandentia (Rubiaceae-Spermacoceae)
Darwiniana, 2001 Se propone el nuevo nombre Denscantia en reemplazo del género Scandentia, inválidamente ...
Elsa L. Cabral, Nélida M. Bacigalupo
doaj +1 more source
Phylogenomics and topological conflicts in the tribe Anthospermeae (Rubiaceae). [PDF]
Ecol EvolGenomic data have provided new opportunities to address phylogenetic incongruence and its bases. Our work shows notable intergenomic incongruence in a tribe of the coffee family, and the null hypothesis of congruence among all sequenced loci in the individual genomes was surprisingly rejected for plastid data.
Thureborn O +3 more
europepmc +2 more sources
O gênero Borreria (Spermacoceae, Rubiaceae) no estado do Ceará, Brasil [PDF]
Rodriguésia, 2018 Resumo O presente trabalho consiste do tratamento taxonômico de Borreria para a flora do Ceará. A partir de observações de campo e análise de materiais de herbário foram registradas 11 espécies: Borreria apodiensis, B. brownii, B. capitata, B. cupularis,
Francisco Álvaro Almeida Nepomuceno +5 more
doaj +4 more sources
Cyclotide discovery in Gentianales revisited--identification and characterization of cyclic cystine-knot peptides and their phylogenetic distribution in Rubiaceae plants. [PDF]
Biopolymers, 2013 ABSTRACT Cyclotides are a unique class of ribosomally synthesized cysteine‐rich miniproteins characterized by a head‐to‐tail cyclized backbone and three conserved disulfide‐bonds in a knotted arrangement. Originally they were discovered in the coffee‐family plant Oldenlandia affinis (Rubiaceae) and have since been identified in several species of the ...
Koehbach J +12 more
europepmc +2 more sources