Results 171 to 180 of about 920 (188)

Multiple sources of evidence unravel a complex taxonomic history: the new genus Leonoria of the Spermacoce clade (Spermacoceae-Rubiaceae)

Systematics and Biodiversity
For a long time, the taxonomic status of Denscantia, a genus endemic to the Atlantic Forest along the Brazilian coast, has been a topic of discussion.
Mariela Nuñez-Florentin, Valeria V. González, J. E. Florentín, R. Salas, S. Dessein, Steven B. Janssens, Domingos Cardoso   +6 more
semanticscholar   +1 more source

Advancements in Galianthe (Spermacoceae-Rubiaceae) knowledge: complete description of G. longifolia and new records for G. thalictroides in Mato Grosso do Sul, Brazil

Phytotaxa
This study presents a complete and enriched morphological description of Galianthe longifolia, incorporating previously unreported data on the characteristics of its fruits, seeds, and pollen. These attributes are of crucial taxonomic importance. In turn,
J. E. Florentín, Mariela Nuñez-Florentin, R. Salas   +2 more
semanticscholar   +1 more source

Ampliando o conhecimento sobre a distribuição de Oldenlandia corymbosa L. (Spermacoceae-Rubiaceae), uma nova espécie exótica para o estado do Rio Grande do Sul e o bioma Pampa

Balduinia
Durante levantamentos florísticos no interior do estado do Rio Grande do Sul (Brasil), populações de Oldenlandia corymbosa L. foram encontradas nos municípios de Santa Maria e Bagé. Este estudo relata a ocorrência e naturalização de O.
Lucas Gonçalves Da Cunha, A. C. Mazzocato, T. S. Canto-Dorow   +2 more
semanticscholar   +1 more source

Novelties in Spermacoceae (Rubiaceae) from Bolivia and Paraguay

Brittonia, 2005
One new Bolivian species (Borreria pazensis) and three new varieties (Borreria densiflora var.minima, Richardia, scabra var.chacoensis andStaelia virgata var.killeenii) are described and illustrated. The genusDiodella, with three species (D. apiculata comb. nov., D. radula comb. nov., andD.
Elsa L. Cabral, Nélida M. Bacigalupo
openaire   +1 more source

Integrative Taxonomic Analyses Sheds Light on Three Historically Disputed American Spermacoce Species, and a Key to the American Species of Spermacoce (Spermacoceae, Rubiaceae)

Systematic Botany, 2020
There has been great confusion between Spermacoce glabra, S. riparia, and S. tenuior since their original descriptions. These species can be distinguished mostly by their seed features.
M. N. Florentin, J. E. Florentín, R. Salas   +2 more
semanticscholar   +1 more source

New combinations in Hexasepalum (Rubiaceae: Spermacoceae)

2015
Ten new combinations in Hexasepalum (Rubiaceae: Spermacoceae) are here proposed, for species formerly in Diodella..
Kirkbride Jr., Joseph H., Delprete, Piero G.   +1 more
openaire   +1 more source

Kadua haupuensis (Rubiaceae: Spermacoceae), a new endemic species from Kaua’i, Hawaiian Islands

Brittonia, 2010
The new species Kadua haupuensis is described and illustrated from the isolated Mt. Ha’upu region of Kaua’i, Hawaiian Islands. This new species belongs to Kadua subg. Kadua sect. Wiegmannia. It is characterized by a subdioecious (leaky dioecious) breeding system and appears most closely related to another apparently dioecious species endemic to Kaua’i,
Lorence, David H., Wagner, Warren L., Laidlaw, William   +2 more
openaire   +2 more sources

Mitracarpus longicalyx (Rubiaceae, Spermacoceae), a new species from northeastern Brazil

Brittonia, 2001
Mitracarpus longicalyx is here described and illustrated from sandy areas of the caatingas of northeastern Brazil. The new species is similar toM. hirtus andM. megapotamicus.
Elnatan Bezerra de Souza, Margareth Ferreira De Sales   +1 more
openaire   +1 more source

Notes on Galianthe (Spermacoceae, Rubiaceae) in the Bolivian flora

Brittonia, 2005
Four 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.
openaire   +1 more source

RUBIACEAE, SPERMACOCEAE ALLIANCE, SUBFAMILY RUBIOIDEAE

2022
P. De Block, S. G. Razafimandimbison
openaire   +1 more source