Results 41 to 50 of about 466 (149)

Phylogenomics of the pantropical tribe Spermacoceae: resolving taxonomic challenges and phylogenetic relationships using whole plastome data [PDF]

open access: yes, 2023
The pantropical tribe Spermacoceae comprises approximately 1000 species and belongs to the largest subfamily, Rubioideae, within the Rubiaceae family. The genera within the Spermacoceae tribe have a long history of taxonomic confusión and disagreement ...
Neupane, S., Schfran, P., Ariagno, T.
core  

Conflicting phylogenetic signals in genomic data of the coffee family (Rubiaceae)

open access: yesJournal of Systematics and Evolution, Volume 58, Issue 4, Page 440-460, July 2020., 2020
Abstract Reconstructions of phylogenetic relationships in the flowering plant family Rubiaceae have up until now relied heavily on single‐ or multi‐gene data, primarily from the plastid compartment. With the availability of cost‐ and time‐efficient techniques for generating complete genome sequences, the opportunity arises to resolve some of the ...
Niklas Wikström   +2 more
wiley   +1 more source

Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil

open access: yes, 2022
Souza, Elnatan Bezerra De, Nepomuceno, Álvaro, Da Costa Ribeiro, Maria Luiza R., Miguel, Laila Mabel (2022): Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil.
Souza, Elnatan Bezerra De   +3 more
core   +1 more source

Areas of endemism and conservation status of Galianthe species (Spermacoceae, Rubiaceae) in the Neotropics [PDF]

open access: yesSystematics and Biodiversity, 2022
Areas of endemism are a standard unit of biogeography and are commonly used for analytical biogeographic analyses as a criterion to identify areas for conservation. Galianthe is a genus of 56 species of mainly herbaceous plants from the family Rubiaceae found in the Neotropics, occurring in campos rupestres (quartzitic rock outcrops), cerrado (savanna),
Javier Elías Florentín   +4 more
openaire   +1 more source

Novedades taxonómicas en Galianthe y Borreria (Rubiaceae-Spermacoceae)

open access: yesBonplandia, 2000
Tres nuevas especies, Galianthe andersonii E.L.Cabral, Galianthe macedoi E.L.Cabral, Galianthe reitzii E.L.Cabral se describen e ilustran y dos nuevas combinaciones, Galianthe peruviana (Pers.) E.L.Cabral y Borreria crispata (K. Schum.) E.L.Cabral y Bacigalupo presentan.
Cabral, Elsa Leonor   +1 more
openaire   +3 more sources

A checklist of Rubiaceae species from Eastern Samar, Visayas, Philippines [PDF]

open access: yesCheck List, 2019
Samar Island is a center of botanical wealth throughout the Philippine archipelago. However, floristic knowledge of the island is deficient and most of its forested areas remain largely unexplored.
Jorge Anton D. Ordas   +4 more
doaj   +3 more sources

Application of DNA barcodes in Hedyotis L. (Spermacoceae, Rubiaceae) [PDF]

open access: yesJournal of Systematics and Evolution, 2011
Abstract  The potential application of DNA barcodes of plastid (matK, trnH–psbA, petD, and rbcL) and nuclear (internal transcribed spacer (ITS) of rDNA) DNA regions was investigated for 25 Hedyotis taxa. The ITS showed the best species discrimination by resolving 23 of the species as exclusive lineages with no shared alleles between any of the 24 ...
Xing GUO   +4 more
openaire   +1 more source

Leptopetalum perpusillum Heenan (Rubiaceae), a New Species From Rarotonga (Cook Islands) and ‘Eua (Kingdom of Tonga)

open access: yesNew Zealand Journal of Botany, Volume 64, Issue 1, March 2026.
A new species of Leptopetalum Hook. & Arn. (Rubiaceae) is segregated from Leptopetalum foetidum (G. Forst.) Neupane & N. Wikstr. Leptopetalum perpusillum Heenan, sp. nov., is distinguished from L. foetidum by its decumbent, low‐growing growth habit, smaller elliptic leaves, short peduncle, compact and few‐flowered inflorescence, and smaller fruit.
Peter B. Heenan
wiley   +1 more source

Revision of Manettia (Rubiaceae) in Paraguay

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto   +2 more
wiley   +1 more source

Morpho-anatomical and morphometric studies of the floral structures of the distylous Oldenlandia salzmannii (Rubiaceae)

open access: yesActa Botânica Brasílica
The genus Oldenlandia (Rubiaceae) has a conflicting generic delimitation, with representatives that show different floral syndromes. Oldenlandia salzmannii is a marshy herb that is widespread in South America. It is heterostylous, specifically distylous,
Mariela Nuñez Florentin   +2 more
doaj   +1 more source

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