6 research outputs found
New records of Vriesea agostiniana E.Pereira, and Vriesea saltensis Leme & L. Kollmann (Bromeliaceae, Tillandsioideae) from southeastern Brazil
Vriesea Lindl. (Bromeliaceae) has its center of diversity in eastern Brazil, especially in the Atlantic Rainforest domain. The present study extended the distribution of V. agostiniana to São Paulo state and V. saltensis to Espírito Santo state; they were previously considered endemic to single locations in the states of Rio de Janeiro and Minas Gerais, respectively. Species descriptions, taxonomic comments, and new distribution maps are presented, contributing to our knowledge of the taxonomy and biogeography of Vriesea in southeastern Brazil
Data from: Species boundaries in the Vriesea incurvata (Bromeliaceae) complex after a broad morphometric and taxonomic study
The genus Vriesea encompasses many species of difficult delimitation, including Vriesea incurvata, which shows wide morphological variation throughout its distribution in the Brazilian Atlantic Forest. Six other taxa are morphologically similar to V. incurvata: V. atrococcinea, V. joyae (with two varieties), V. sucrei, andV. taritubensis (with two varieties), which comprise the species complex. Our aims were to evaluate morphological variation through a morphometric study of natural populations to establish the limits and validity of those taxa, and to produce a taxonomic treatment. A total of 23 morphometric variables were measured among 241 individuals from 15 natural populations. The morphological evidence led to the recognition of five taxa: V. incurvata, V. sucrei, V. taritubensis var. taritubensis, V. taritubensis var. brevisepala, and V. taritubensis var. patens (a new variety). Three synonyms are proposed: V. atrococcinea (under V. sucrei), V. joyae var. joyae, and V. joyae var. parvula (under V. taritubensis var. taritubensis). The resulting taxa were re-circumscribed and data on their geographic distributions is updated
Neves_et_al_2018_Morphometrics Vriesea_incurvata_complex_S1
SUPPLEMENTAL APPENDIX 1. Minimum and maximum values, and the median of each variable in the 15 populations studied. The letters show the populations that differ significantly with H test (p<0.05)
Neves_et_al_2018_Morphometrics_Vriesea_incurvata_complex_Data
Raw data used for analyses
Aechmea e gĂŞneros relacionados (Bromelioideae, Bromeliaceae) no Parque Nacional da Serra dos Ă“rgĂŁos, Rio de Janeiro, Brasil
Resumo O Parque Nacional da Serra dos Ă“rgĂŁos (PARNASO) constitui um dos maiores remanescentes de Mata Atlântica no estado do Rio de Janeiro. Bromeliaceae possui neste bioma um dos seus principais centros de diversidade, com 31 gĂŞneros e 803 espĂ©cies, sendo mais de 500 pertencentes Ă subfamĂlia Bromelioideae. Como parte do projeto Bromeliaceae organensis desenvolvido no Departamento de Botânica do Museu Nacional- UFRJ, o presente trabalho buscou inventariar as espĂ©cies de Aechmea, Billbergia, Hohenbergia e Quesnelia no PARNASO, fornecendo a descrição morfolĂłgica das espĂ©cies e uma chave para identificação, alĂ©m de dados sobre sua distribuição, geral e dentro do parque. O estudo taxonĂ´mico foi realizado atravĂ©s da análise de material herborizado, coletas e observações de campo. Foram encontradas no parque: seis espĂ©cies de Aechmea, cinco de Billbergia, uma de Hohenbergia e quatro de Quesnelia. Apesar de bem representado em nĂşmero de espĂ©cies na unidade de conservação, Billbergia conta com poucos registros nos herbários, sendo quatro de suas espĂ©cies referenciadas por um ou poucos indivĂduos nas coleções. A localidade guarda ainda populações de espĂ©cies endĂŞmicas do estado do Rio de Janeiro, como A. wellbachii, A. fasciata, Q. lateralis e Q. edmundoi var. edmundoi