Borreria kelleri (Spermacoceae, Rubiaceae), a new species from Argentina and Paraguay
Nordic Journal of Botany, 2022Borreria kelleri (Spermacoceae, Rubiaceae), is described as a new species from northeastern Argentina and Paraguay. The new species is morphologically similar to B. quadrifaria due to the presence of densely and notable hairs in the angles of the stems and pantoporate ...
L. M. Miguel +4 more
semanticscholar +3 more sources
Notes on Galianthe (Spermacoceae, Rubiaceae) in the Bolivian flora
Brittonia, 2005Four new species ofGalianthe (G. boliviana, G. chiquitosana, G. sudyungesis, andG. kempffiana) for Bolivia are described and illustrated.Galianthe kempffiana is also known from Brazil.Galianthe laxa andG. bisepala are reported for the first time for Bolivia.
Elsa L Cabral
exaly +2 more sources
The phylogenetic utility of chloroplast (atpB-rbcL, petD, rps16, trnL-F) and nuclear (ETS, ITS) DNA regions was investigated for the tribe Spermacoceae of the coffee family (Rubiaceae). ITS was, despite often raised cautions of its utility at higher taxonomic levels, shown to provide the highest number of parsimony informative characters, in ...
Inge Groeninckx +2 more
exaly +3 more sources
Molecular‐based phylogenetic placement and revision of Micrasepalum ( Spermacoceae‐Rubiaceae )
Taxon, 2021Fil: Janssens, Steven.
Mariela Nuñez Florentín +4 more
semanticscholar +3 more sources
Dentella cylindrica sp. nov. (Rubiaceae: Tribe Spermacoceae) from Andaman and Nicobar Islands, India
Indian Journal of Forestry, 2020Dentella cylindrica M.C. Naik and L.J. Singh from Andaman and Nicobar Islands, India is described and illustrated as a new species. An illustration, images, and a key to the species of Dentella in India is provided.
Mudavath Chennakesavulu Naik +2 more
exaly +2 more sources
Arcytophyllum leymebambense (Rubiaceae: Spermacoceae), a new species with an isolated phylogenetic position and distinct morphology from northern Peru [PDF]
Background and aims – The newly described species Arcytophyllum leymebambense sp. nov. (Rubiaceae) from the Amazonas department of northern Peru represents an isolated lineage within the monophyletic genus Arcytophyllum .
D. Montesinos-Tubée +3 more
semanticscholar +4 more sources
Involucrella lithophila (Rubiaceae: Spermacoceae): A new species from Guangxi, China
Phytotaxa, 2020Involucrella lithophila from the limestone area of Guangxi, China, is described and illustrated here. It is most similar to Hedyotis kurzii and Involucrella chereevensis in having tetragonal stems, slender pedicels and loculicidally dehiscent capsules ...
Ming Yuan, Rui-jiang Wang
semanticscholar +2 more sources
Uncovering hidden diversity: Oldenlandia bahiana, a neglected new species endemic to Brazil (Spermacoceae, Rubiaceae), revealed by integrative approach [PDF]
Background and aims – Oldenlandia is a taxonomically complex and polyphyletic genus with approximately 160 pantropical species distributed across more than ten clades.
Mariela Nuñez-Florentin +2 more
semanticscholar +4 more sources
Dimetia brevipetiolata (Spermacoceae: Rubiaceae): A new species from Guangxi, China
Phytotaxa, 2020A new species, Dimetia brevipetiolata R. J. Wang, from Guangxi Zhuang Autonomous Region, China, is described and photographed. Morphologically, it is similar to D. scandens and D.
Ying Zhang +2 more
semanticscholar +2 more sources
Phylogenetic analysis of rbcL cpDNA sequences for 34 members of the tribe Spermacoceae s. lat. indicates that the African genera Amphiasma, Conostomium, Manostachya, Pentanopsis and Phylohydrax form a strongly supported clade, characterised by basal placentation and heterostyly.
Birgitta Bremer, Bremer B
exaly +2 more sources

