Primer registro de Galianthe valerianoides (Spermacoceae, Rubiaceae) para Uruguay
Bonplandia, 2023 Galianthe valerianoides (Spermacoceae-Rubiaceae) is recorded for the first for the Uruguayan flora (Dpto. Rivera), and as a consequence, its distribution area extends to its southernmost limit.
González, Héctor A. +4 more
core +6 more sources
Evolution of woody life form on tropical mountains in the tribe Spermacoceae (Rubiaceae) [PDF]
American Journal of Botany, 2017 PREMISE OF THE STUDY: Spermacoceae are mainly an herbaceous group in the Rubiaceae. However, a few lineages are woody and are found in a diverserange of habitat types.
Suman Neupane +2 more
exaly +6 more sources
The monotypic Brazilian genus Diacrodon is a synonym of Borreria (Spermacoceae, Rubiaceae): morphological and molecular evidences [PDF]
Anais da Academia Brasileira de Ciências, 2018 Diacrodon is a monotypic genus of the tribe Spermacoceae (Rubiaceae), endemic to northeastern Brazil. Diacrodon compressus is frequently misidentified with a two lobed calyx species of Borreria, B. verticillata.
STEVEN JANSSENS +4 more
core +10 more sources
Dispersing towards Madagascar: Biogeography and evolution of the Madagascan endemics of the Spermacoceae tribe (Rubiaceae) [PDF]
Molecular Phylogenetics and Evolution, 2016 Despite the close proximity of the African mainland, dispersal of plant lineages towards Madagascar remains intriguing. The composition of the Madagascan flora is rather mixed and shows besides African representatives, also floral elements of India ...
Steven B Janssens +2 more
exaly +7 more sources
Diodia kuntzei k. Schum (rubiaceae, spermacoceae): A new record for the state of Acre, Brazil [PDF]
Check List, 2020 Diodia kuntzei (Rubiaceae, Spermacoceae) is prostrate herb, rooting at the nodes, with reddish stems, multifimbriate stipules, axillary one-two-flowered inflorescences, corolla with filiform tube, and indehiscent fruit.
Souza,Maria Cristina +11 more
core +8 more sources
Colleters in American Spermacoceae Genera of Rubiaceae: morphoanatomical and evolutionary aspects [PDF]
International Journal of Plant Sciences, 2017 Premise of research: The primary goal of this study is to describe the colleters on vegetative and reproductive organs in the Spermacoceae tribe and to characterize their morphoanatomy, their distribution, and some functional and evolutionary aspects ...
Ana M. Gonzalez +5 more
core +6 more sources
(Rubiaceae, Spermacoceae): an updated description with a new synonym
Nordic Journal of Botany, 2023 Borreria catolensis, described based on specimens lacking mature fruits and seeds, is here treated as a new synonym of Psyllocarpus intermedius (Rubiaceae, Spermacoceae), an endemic species from the state of Bahia, northeastern Brazil. This new treatment
João A. M. Carmo +9 more
core +4 more sources
clade (Spermacoceae-Rubiaceae) and implications for systematics
Botanical Journal of the Linnean Society, 2023 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.
Brecht Verstraete +7 more
core +4 more sources
A new subspecies of Spermacoce bequaertii (Rubiaceae: Spermacoceae)
Blumea - Biodiversity, Evolution and Biogeography of Plants, 2023 A new subspecies of the African species Spermacoce bequaertii is described and illustrated. This new subspecies (subsp. brevituba) is restricted to the Kasai district in the Democratic Republic of Congo, and differs from the typical subspecies in ...
R. D. de Kok, S. Dessein
semanticscholar +3 more sources
Phylogeny of the herbaceous tribe spermacoceae (rubiaceae) based on plastid dna data [PDF]
Annals of the Missouri Botanical Garden, 2009 In its current circumscription, the herbaceous tribe Spermacoceae s.l. (Rubiaceae, Rubioideae) unites the former tribes Spermacoceae s. str., Maneltieae, and the Hedyotis-Oldenlandia group.
Huysmans, Suzy +29 more
core +3 more sources