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The correct name forPsychotria carapichea isCarapichea guianensis. Also, the authority ofPsychotria carapichea was previously incorrectly cited, because of an oversight of the illegitimacy ofTapogomea carapichea Poir. The complex taxonomic history of this species is analyzed, and the authority of the binomial is correctly cited. In addition,P. ligularis, which was treated as closely related toC. guianensis...
The new combinationAdelia cinerea (basionym:Bernardia cinerea) is made. Notes on its distribution and ecology are provided, as well as a full morphological description. A discussion on the morphological and palynological distinctions betweenAdelia andBernardia, and reasons for the transfer, are presented. The placement of this species inAdelia implies a tribal change (from Bernardieae to Adelieae)...
Sicyos lirae is described as a new species from Chiapas, Mexico, and Guatemala. It grows in zones with primary or secondary montane rain forest at elevations between 1400 and 3800 meters. In Guatemala the species is commonly called “güisquil de ratón.” It is similar toSicyos galeottii Cogn., from which it differs in blade consistency, shape of the stigma lobes, and several important ovary and fruit...
Resolution of species delimitations in theRhynchospora globosa complex has revealed three species new to science from South America:R. bracteovillosa, R. leucoloma, andR. melanocarpa. Each species is described and illustrated and its geographical distribution discussed.
Three new species of Melastomataceae (Blakeeae) are described:Blakea subpanduriformis, Topobea adscendens, andT. bullata. All are climbers endemic to the montane forests of the eastern slopes of the Andes in southern Ecuador. In this region, 35% of the Ecuadorian species and 41% of the endemic Ecuadorian species of Melastomataceae occur. The discovery of these three new endemic species underlines...
Four new species ofRoupala are described:R. psilocarpa andR. nonscripta from Brazil,R. mexicana from Mexico, andR. filiflora from Bolivia. Their relationships within the genus are discussed.
Recent field work in Bolivia has resulted in the recognition of new species ofDyschoriste (Acanthaceae). These novelties are introduced here for the convenience of other taxonomists prior to the publication of a treatment of the Acanthaceae of Bolivia. Three new Bolivian and one new Argentinean species ofDyschoriste,D. axillaris, D. boliviana, D. ceciliae, andD. prostrata are described, illustrated,...
Quercus tuitensis, a deciduous red oak known only from the Sierra El Tuito on the Pacific slopes of western Jalisco, Mexico, is described, illustrated, and compared toQ. praineana Trel. In addition,Q. aequivenulosa andQ. coffeaecolor are reaffirmed as synonyms ofQ. praineana.
A new species,Boechera glareosa, is described and a key is provided to separate it from its apparent closest relative,B. gunnisoniana (Rollins) W. A. Weber. Twelve transfers are made fromArabis toBoechera to bring the nomenclature of Rocky Mountain region taxa in line with current DNA data.
TheBegonia longifolia Blume complex is revised and seven species are recognized.Begonia crassirostris Irmsch.,B. inflata C. B. Clarke,B. tricornis Ridl., andB. trisulcata (A. DC.) Warb. are synonymized withBegonia longifolia Blume, making this the most widely distributedBegonia species within Asia.Begonia tetragona Irmsch. is synonymized withB. acetosella Craib. Descriptions are provided forBegonia longifolia, B. acetosella...
The tribe Spathicarpeae is one of the most poorly known-tribes in the Araceae. Recently, field collections in some areas of Bolivia have revealed many interesting members of this tribe. Two new species,Gorgonidium striatum Hett., P. L. Ibisch & E. G. Gonç. andSpathantheum fallax Hett., P. L. Ibisch & E. G. Gonç. are here described, illustrated, and compared to their closest relatives.
Two new species of oak (Fagaceae) with narrowly ellipticlanceolate leaves from the Sierra Madre del Sur of western Jalisco, Mexico, are described and illustrated.Quercus cualensis is a local endemic andQ. iltisii a more widespread species; they are closely related toQ. salicifolia Née.
Agave vivipara L. andA. angustifolia Haw., considered conspecific by Wijnands, are shown to be two distinct species. A previous neotypification (as a lectotypification) ofA. angustifolia by Gentry is superseded because it is in conflict with the protologue; a new neotype is designated herein. The economic importance ofA. angustifolia is summarized.
Juncus effusus s. str. has two native representatives on the coast of western North America. A new combination is provided forJuncus effusus subsp.pacificus, ranging from California to British Columbia.Juncus effusus subsp.austrocalifornicus is newly described from southernmost California, Arizona, and Baja California, México. It differs from subsp.pacificus by its pale sheaths, with less thickened...
Geranium sect.Gracilia (Geraniaceae) comprises nine species in the Andes of Venezuela and Colombia.Geranium lindenianum andG. gracilipes are synonymized withG. holosericeum. The identity ofG. multiceps is clarified. Its differences from the two Colombian species,G. santanderiense andG. lainzii, are discussed.Geranium lignosum, G. sebosum, G. stoloniferum, G. subnudicaule, andG., velutinum are now...
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