Taxonomic Synopsis of the genus Chamaecrista (Leguminosae, Caesalpinioideae) in the Chapada dos Veadeiros region, Goiás, Brazil

Phytotaxa ◽  
2019 ◽  
Vol 427 (3) ◽  
pp. 131-185
Author(s):  
ALESSANDRO OLIVEIRA DE SOUZA ◽  
GWILYM PETER LEWIS ◽  
MARCOS JOSÉ DA SILVA

Chamaecrista is one of the largest genera of Leguminosae subfamily Caesalpinioideae and comprises 330 species, of these, 222 species are present in the Phytogeographic Cerrado Domain in Brazil. The taxonomy of the genus in Brazil continues to need study. Here we present a taxonomic synopsis of Chamaecrista for the Chapada dos Veadeiros (CV) region, which is located in the northern portion of the state of Goiás, Brazil. Fieldwork was carried out in the area between 2010 and 2018; we also reviewed the literature and about 1500 herbarium collections to build the synopsis of species presented here. We record 65 species (71 taxa) of Chamaecrista occurring in the CV, corresponding to 60% of the species registered for the state of Goiás; 49 species at Chapada dos Veadeiros National Park (CVNP), 27 and 19 are endemic to the state of Goiás and the studied area respectively. An identification key and distribution maps, as well as comments on morphology and conservation status are presented, together with photograhs of the species in the field.

Rodriguésia ◽  
2020 ◽  
Vol 71 ◽  
Author(s):  
Rayane de Tasso Moreira Ribeiro ◽  
Natanael Costa Rebouças ◽  
Maria Iracema Bezerra Loiola ◽  
Margareth Ferreira de Sales

Abstract We present the floristic treatment of the Terminalia species occurring in the state of Maranhão. This study was based on the analysis of national and international herbaria. Six species were recorded from the state: Terminalia actinophylla, T. amazonia, T. dichotoma, T. fagifolia, T. glabrescens, and T. lucida, with one endemic (T. actinophylla) to Brazil. Taxa were commonly recorded in dry Savanna environments (cerrado). Only the species Terminalia fagifolia and T. lucida occur in conservation units in Maranhão, specifically in Mirador State Park, Chapada das Mesas National Park and Ecological Sanctuary of Pedra Caída. In addition to morphological descriptions, this study includes an identification key, illustrations, and comments about taxonomic affinities, geographical distribution, ecology, conservation status, and phenology of the species.


Phytotaxa ◽  
2021 ◽  
Vol 494 (1) ◽  
pp. 129-136
Author(s):  
GENILSON ALVES DOS REIS E SILVA ◽  
JIMI NAOKI NAKAJIMA

A new species, Calea arachnoidea, which belongs to Calea sect. Meyeria, is hereby described and illustrated. This species occurs in the Serra Negra region, located in the southern portion of the “Zona da Mata” in the state of Minas Gerais, southeastern Brazil. Calea arachnoidea resembles C. quadrifolia, C. heteropappa and C. semirii, and its relationships with these species are discussed and an identification key for the species of C. sect. Meyeria in the state of Minas Gerais is provided. Additionally, photographs, a distribution map, comments about habitat and conservation status are provided.


2018 ◽  
Vol 151 (1) ◽  
pp. 130-141 ◽  
Author(s):  
Rafael G. Barbosa-Silva ◽  
Marcelo Trovó ◽  
Gustavo Martinelli ◽  
Rafaela Campostrini Forzza

Background and aims – As “islands in the sky” of northern South America, the isolated ecosystems of the Pantepui province include a distinct flora with high levels of endemism and which are ancestral areas for many angiosperm lineages. About one fifth of Pantepui angiosperm species are distributed in Poales, a highly diverse angiosperm order.Methods – Recent field trips were carried out on two Brazilian tepuis, by foot and helicopter. Herbarium collections were consulted and compared with the proposed new species. Key results – Four new species of Poales, three Navia Schult. & Schult.f. (Bromeliaceae) and one Paepalanthus Mart. (Eriocaulaceae) were found. Descriptions, illustrations, and distribution maps of the new species, as well as an identification key to Brazilian Navia species, are provided.


Rodriguésia ◽  
2019 ◽  
Vol 70 ◽  
Author(s):  
Andréia Zelenski ◽  
Rafael Louzada

Abstract A taxonomic treatment of the genera Turnera and Piriqueta in the state of Pernambuco, northeastern Brazil, is presented. Fourteen species of Turnera and six species of Piriqueta were found in the Atlantic Forest and Caatinga, of which nine are endemic to Brazil. Turnera pernambucensis is threatened and restricted to the Atlantic Forest of Pernambuco, while T. joelii is a new record for the state. The species predominate in steppe savanna and semideciduous seasonal forest, but several of them grow naturally in anthropized areas. Catimbau National Park is the locality with the highest species richness. Tristyly is recorded for the first time in Piriqueta guianensis. Identification keys, descriptions, illustrations, distribution maps, and comments about habitat, flowering, fruiting, and morphological relationships are provided.


2017 ◽  
Vol 17 ◽  
Author(s):  
Lidyanne Yuriko Saleme Aona ◽  
Danilo José Lima de Sousa ◽  
Maria Luiza Silveira de Carvalho ◽  
Grênivel Mota da Costa

Hydrocharitaceae is represented by five genera and seven species in the state of Bahia: Apalanthe granatensis, Egeria densa, Halophila decipiens, Limnobium laevigatum, Najas conferta, N. guadalupensis, and N. marina. We present an identification key, descriptions, illustrations, comments, and distribution maps of the species in Bahia.


Phytotaxa ◽  
2019 ◽  
Vol 393 (2) ◽  
pp. 141
Author(s):  
ANDERSON LUIZ CHRIST ◽  
MARA REJANE RITTER

The Praxelinae comprises two genera—Praxelis and Chromolaena—and 19 species in Rio Grande do Sul, the southernmost State of Brazil. This is the first taxonomic treatment of these genera in the state according to their current circumscriptions. Chromolaena squarrosoramosa is formally reported for the first time for the flora of the state. The names C. callilepis and C. paraguariensis are used for the first time to refer to species previously known as Eupatorium polyanthum and E. angusticeps. Eupatorium angusticeps, considered in previous studies endemic to Rio Grande do Sul and probably extinct, is synonymized under C. paraguariensis and has its geographical range extended. Two neglected names, C. elliptica and C. latisquamulosa, are re-established, and C. umbelliformis is synonymized under C. elliptica. Furthermore, C. rhinanthacea is recollected for the first time after 40 years, and C. gentianoides is rediscovered in the state after almost 200 years of the original collection. Identification key and morphological descriptions, as well as distribution maps, field photographs, illustrations and general comments on the biology, ecology and identification of the species are provided.


2021 ◽  
Vol 22 (7) ◽  
Author(s):  
Piyaporn Saensouk ◽  
Surapon Saensouk

Abstract. Saensouk P, Saensouk S. 2021. Taxonomic studies and three new records on genus Geostachys (Baker) Ridl. in Thailand. Biodiversitas 22: 3057-3067. A comprehensive taxonomic study and three new records of genus Geostachys (Baker) Ridl. in Thailand have not been reported. This research aimed to study the taxonomical aspect of the genus Geostachys in Thailand based on herbarium collections, fresh materials, and available literatures. Nine species of Geostachys have been recognized with their updated nomenclature in Thailand, namely G. angustifolia K. Larsen, G. chayanii Mayoe, G. decurvata (Baker) Ridl., G. holttumii K. Larsen, G. kerrii K. Larsen, G. penangensis Ridl., G. pierreana Gagnep., G. smitinandii K. Larsen, and. G. tratensis Picheans. & Mayoe. Three species, namely G. decurvata, G. pierreana, and G. penangensis are found to be new records to Thailand. Six species, namely G. angustifolia, G. chayanii, G. holttumii, G. kerrii, G. smitinandii, and G. tratensis were endemic to Thailand. The identification key to species, detailed descriptions, photographs, vernacular name, geographical distribution, ecology, phenology, conservation status, and taxonomic notes have been provided.


2020 ◽  
Vol 20 ◽  
Author(s):  
Otávio Luis Marques da Silva ◽  
Daniela Santos Carneiro-Torres ◽  
Inês Cordeiro

This work presents the taxonomic treatment of the genus Astraea in Bahia. The state, along with Minas Gerais, has the highest diversity of Astraea, with seven species recognized: A. digitata, A. gracilis, A. klotzschii, A. paulina, A. praetervisa, A. subcomosa and A. surinamensis. The treatment includes an identification key, descriptions, photographs and distribution maps, besides comments on geographical distribution, habitat and phenology.


Author(s):  
Renata Asprino ◽  
André Márcio Amorim

The taxonomic treatment of Hirtella (Chrysobalanaceae) from Bahia State, Brazil, is presented. We recognize 14 species; H. bicornis is recorded for the first time in the state and H. prancei was originally described from this study. The treatment includes an identification key to species, descriptions and comments on taxa, as well as illustrations and geographic distribution maps of species in Bahia. An identification key to the genera of Chrysobalanaceae in the state is also provided.


2016 ◽  
Vol 16 ◽  
Author(s):  
Pétala Gomes Ribeiro ◽  
Luciano Paganucci De Queiroz ◽  
Marli Pires Morim

The taxonomic treatment of the genus Parapiptadenia (4 species)from the state of Bahia, Brazil, is presented. An identification key, morphological descriptions, taxonomic comments, illustrations and distribution maps of the species in Bahia are presented.


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