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Synopsis of Hexasepalum (Rubiaceae), the Priority Name for Diodella and a New Species from Brazil
TLDR
The descriptions of the Hexasepalum species are complemented with a key, geographical distributions, and illustrations of key morphological characters and line drawings are provided for species not illustrated before in literature.
Spermacoce spiralis, a new name for Diodia assurgens (Rubiaceae).
TLDR
The comparative morphological study clearly shows that Diodia assurgens K.Schum belongs to the genus Spermacoce s.
(2114-2115) Proposals to reject the names Hexasepalum and H. angustifolium (Rubiaceae)
Fil: Cabana Fader, Andrea Alejandra. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Nordeste. Instituto de Botanica del Nordeste. Universidad
Morpho-anatomical and morphometric studies of the floral structures of the distylous Oldenlandia salzmannii (Rubiaceae)
TLDR
This study represents the first comprehensive morphological study of Oldenlandia salzmannii by analyzing its floral morpho-anatomy, morphometrics and phenology of both floral morphs.
Diodia kuntzei K. Schum (Rubiaceae, Spermacoceae): a new record for the state of Acre, Brazil
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,
Hexasepalum nordestinum (Rubiaceae): A New Species from Two Disjoint and Fragmented Areas in Northeast Brazil, with a Key to the American Species of the Genus
TLDR
Hexasepalum nordestinum is described, a new species from northeast Brazil, which occurs in extremely fragmented areas of Ceará and Piauí states and is assessed here as endangered.