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Check List and Authors Chec List Open Access | Freely Available at Journal of Species Lists and Distribution ISSN 1809-127X (online edition) © 2011 Check List and Authors Chec List Open Access | Freely available at www.checklist.org.br Journal of species lists and distribution restinga PECIES S 1* 2 1, OF Magnoliophyta, 2 vegetation, 2 state of Ceará, Brazil ISTS Francisco Soares Santos-Filho , Eduardo Bezerra de Almeida Jr. , Laiane Fernanda de Melo Bezerra L Liliane Ferreira Lima and Carmen Sílvia Zickel 1 Universidade Estadual do Piauí, [email protected] Campus Poeta Torquato Neto. Rua João Cabral, 2231 – Setor 17. CEP: 64002-200. Teresina, PI, Brasil. 2 Universidade Federal Rural de Pernambuco. Avenida Dom Manoel de Medeiros, s/nº. CEP 52071-030. Recife, PE, Brasil. * Corresponding author. E-mail: Abstract: Restinga Sandy coastal plain ( ) vegetation is composed of the plant communities that grow on Quaternary Neosols along the entire Brazilian coast. Ceará state has a coastal extension of 578 km and lies totally within the semi-arid zone of northeastern Brazil. Here we present a checklist of the phanerogamic species found along the coast of Ceará that was compiled from surveys and collections found at the EAC herbarium (Fortaleza, Ceará). A total of 391 species distributed among 208 genera and 41 families were identified. The families with the greatest numbers of species were Fabaceae senso latu (130 species), Cyperaceae (51), Poaceae (47), Rubiaceae (27), Euphorbiaceae (19), Asteraceae (13), Bignoniaceae (11) and Malvaceae (12), representing over 78.77% of the species collected. Introduction Restinga et al. region, according to the classification proposed by Velloso vegetation is composed of the communitieset al. (2002). The coast of Ceará state is marked by the Restingasof plants that grow on Quaternary Neosols (Suguio Formation)predominance of psammophilous vegetation (covering and Tessler 1984; Rizzini 1997; Marques 2004). dunes). Cliffs are found in some regions (“Barreiras” can have different physiognomies that vary from grasslands to shrublands or forests (Silva and Britez The species listed in this study were compiled from 2005), and they occur along the entire Brazilian coast data available in the Prisco Bezerra Herbarium (EAC) (Oliveira-Filho 1993). collection at the Universidade Federal do Ceará (UFC) The coastal band of northeastern Brazil can be divided and from floristic surveys carried out in the Jericoacoara in two sectors: an eastern super-humid region comprising Environmental Protection Area (Matias and Nunes the coastal areas of the states of Bahia, Sergipe, Alagoas, 2001; Matias and Silva 2001). All herbarium specimens Pernambuco, Paraíba and Rio Grande do Norte; and a were considered, including invasive species that grow in northern semi-arid region comprisinget al. coastal areas of the lacustrine environments and species typical of areas in states of Rio Grande do Norte, Ceará, Piauí and Maranhão contact with mangrove swamps; exotic species or those (Suguio and Tessler 1984;restinga Villwock 2005). with doubtful identifications were excluded. A recent study Among the northeastern states, more floristic and indicated a Complexo Litorâneo phytoecological unit with structural studies of ecosystems have been exsiccataethe highest percentage of species collected, considering all undertaken in Pernambuco, Bahia and Piauí, with only of the EAC herbarium collection (24% species and 24% scattered information being available for the other states. ) (Freitas and Matias 2010). Ceará state has 578 km of coastline Restingathat is The herbarium material comprises collections made predominantly composed of sea cliffs of the Barreiras in 21 coastal municipalities in Ceará state, all located on Formation and quaternary quartz sand deposits. coastal plains with predominantly Quaternary Neosols. vegetation occupying dunes and inter-dune regions can be The checklist places the genera in the family, followed found along the entire coast of this state. by a species list. The classification system used was Despite this extensive coastline, only one scientific based on APG II (2003). Current species names and new referringpaper (Matias to restinga and Nunes 2001) and one technical report synonyms were confirmed by consulting the MOBOT (Matias and Silva 2001) have been published with data data base (2009) as well as the specialized literature vegetationrestinga in Ceará. In an effort to fill for certain groups. The life forms of the species were this gap, we present here a checklist of the phanerogamic identified based on the classification system of Whittaker Materialsspecies registered and Methods in areas of Ceará state, Brazil. (1975); information on the life forms was obtained from 2, Resultsherbarium and labels. Discussion Ceará state has a total territorial area of 148,825 km making it the fourth largest state in northeastern Brazil All of the herbariumrestinga samples areas collected in Ceará along state the totaled coast (Figure 1). The coast of Ceará is 573 km long, representingCaatinga, of Ceara state were examined. The final list of phanerogam 17.3% of the coast of northeastern and 7.8% of the Brazilian species reported for coast. The vegetation cover is predominantly 391 species, distributed among 208 genera and 41 families which occurs in the “Depressão Sertaneja Setentrional” (Table 1). The families with the greatest numbers of species Check List | Volume 7 | Issue 4 | 2011 478 Santos-Filho et al. | Magnoliophyta of restinga vegetation, Ceará, Brazil sensu lato Ipomoea asarifolia were: Fabaceae (130), Cyperaceae (51), Poaceae factors., thatRemirea influence maritima species compositionRichardia (Barros grandiflora 2009). (47), Rubiaceae (27), Euphorbiaceae (19), Asteraceae (13), The species Heliotropium(Desr.) lanceolatumRoem. and Bignoniaceae (11) and Malvaceae (10), which correspond Schult Blutaparon portulacoidesAubl, to 78.77% of the total number of species; 41.46% of the Sesuvium(Cham. and portulacastrum Schltdl.) Steud., Mollugo verticillata families had only one species. Ruiz and Pav., (A. St.-Hil.) Mears, Fabaceae, Poaceae,restingas Cyperaceae, Rubiaceae and (L.) L., and L. Euphorbiaceae are the families most cited in floristic (in addition to many members of the Fabaceae, Poaceae surveys in etBrazilian al. (Rambo, 1954; Pereira and and Cyperaceae families) are among the most common Araújo, 2000; Kersten and Silva, 2005). A checklist prepared plants in the dune areas and along the coast of Ceará state by Zickel (2007) for Pernambuco state likewise (Matias and Nunes 2001). Species of the families Poaceae noted high frequencies for the families Fabaceae (67 spp.), and Cyperaceae produceet al. large numbers of seeds and have Poaceae (39 spp.), Cyperaceae (26 spp.) and Euphorbiaceae great capacities for adapting to and resisting adverse (25 spp.). In a recent floristic survey carried out in Piauí environments (Bove 2003). The species composition state that included part of the upper northeastern coast observed reflects not only of the peculiarities of the (F. S. Santos-Filho personal communication), the families restinga ecosystem (e.g., high salinity, low levelsrestingas of soilin Fabaceae, Poaceae, Cyperaceae and Euphorbiaceae were nutrients) but also habitat degradation. likewise found to have the highest number of species. In comparisons made with other These same etfamilies, al. together withet al. the Orchidaceae, northeastern Brazil (Cabral-Freireet al. and Monteiro 1994 Bromeliaceae and Sapotaceae (Araújo and Henriques - Maranhão; F.S. Santos-Filho personal communication – 1984; Assis 2004; Martins 2008) are well Piauí; Freire 1990; Almeida Jr. 2006; Almeida Jr. and representedCyperus in restinga areasEleocharis in southeastern (12), Mimosa Brazil. (10), Zickel 2009 - Rio Grande do Norte; Carvalho and Oliveira- ChamaecristaThe most representative(10), Aeschynomene genera inPaspalum the present surveyCroton Filho 1993; Oliveira-Filho and Carvalho 1993; Pontes wereRhynchospora (14 spp.),Senna Sida Caesalpinia and Barbosa 2008 - Paraíba;et Andrade-Limaal. 1951;et al. 1960; Centrosema Fimbristylis (8), (7), 1979;et J.R.R. al. Cantarelli personalet communication; al. Leite and (7), (6), (6), (6), (5), Andrade 2004; Sacramento 2007;et al.Zickel 2007;et (5) and (5), representing 25.83% al.Silva 2008; Almeida Jr. 2009 – Pernambuco; of all of the species recorded. In spite of the fact that these Esteves 1980 – Alagoas; and Pinto 1984; Viana genera occur in many other areas of restinga, specific 2006 - Bahia), 91% of the species listed for Ceará localities tend to have their own flora due to environmental were also reported in other coastal areas of northeastern Figure 1. Map of the coast of the state of Ceará. Check List | Volume 7 | Issue 4 | 2011 479 Santos-Filho et al. | Magnoliophyta of restinga vegetation, Ceará, Brazil restingas et al. Cryptostegia grandiflora Brazil;Amaranthus the remaining viridis 9% werePycreus recorded macrostachyos only in zones along most of the Brazilian coast (Pinto restinga, 1984; in Ceará (includingSapium glandulatum TanacetumRoxb. ex Cordazzo and Costa, 1989). vulgareR.Br., Tetracera willdenovianaL., (Lam.) Matias and Nunes (2001)Chrysobalanus reported that woodyicaco Abrus J. Raynal, (L.) Morong, speciesprecatorius occur inAnacardium open or closed occidentale islands of vegetation,Byrsonima L. and Steud.) (Table 1). crassifoliawith a marked presenceCereus of jamacaru L., Our survey indicates that 46.54% of the species recorded L. L., for the coastal areas of Ceará state are herbaceous plants cerrado andKunth caatinga and A. DC. The authors (Figure 2). This reflects
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