A Restinga está relacionada a qualquer ambiente arenoso litorâneo brasileiro, e geralmente apresentam espécies vindas de outros ecossistemas. Entretanto, existe uma carência em levantamentos florísticos nestes ambientes. Sendo necessário estudos para o aprofundamento no conhecimento da biodiversidade destes locais. O presente trabalho objetivou levantar as espécies presentes no Jardim Botânico de São Gonçalo do Amarante, no município de São Gonçalo do Amarante-CE. As coletas foram realizadas entre o período de outubro/2017 à abril/2019, através de caminhadas em períodos de seca e chuva por toda a extensão do Jardim, onde foram coletadas todas as plantas com estruturas férteis para a posterior identificação taxonômica das espécies vegetais. O material coletado foi herborizado e posteriormente depositado no Herbário Prisco Bezerra (EAC) da Universidade Federal do Ceará. A identificação ocorreu a partir de chaves de identificação, bibliografia especializada, consulta aos especialistas, comparação com espécimes de herbário e espécimes-tipo. Foram inventariadas 158 espécies vegetais, pertencentes a 121 gêneros, distribuídas em 58 famílias. As famílias mais representativas foram Fabaceae (29 espécies), Rubiaceae (12 spp.), Asteraceae (sete spp.), Euphorbiaceae (seis spp.), Myrtaceae (seis spp.), Convolvulaceae (cinco spp.), Malvaceae (cinco spp.), Turneraceae (cinco spp.) e Verbenaceae (cinco spp.), as quais somam 50,63% da flora amostrada. O hábito mais representativo na área de estudo foi herbáceo, representado por 53 espécies, seguido por árvore com 35 espécies, arbusto com 34 espécies, subarbusto com 20 espécies e trepadeira com 16 espécies. Podemos concluir com o presente estudo a grande heterogeneidade do local estudado, além da grande diversidade de famílias presentes. Floristic Composition of the São Gonçalo do Amarante Botanical Garden, Ceará, Northeast Brazil A B S T R A C TRestinga is related to any Brazilian coastal sandy environment, and generally presents species from other ecosystems. However, there is a shortage of floristic surveys in these environments. It is necessary studies to deepen the knowledge of the biodiversity of these places. The present work aims to survey the species present in the São Gonçalo do Amarante Botanical Garden, in the municipality of São Gonçalo do Amarante. The collections were carried out from October/2017 to April/2019, through walks in periods of drought and rain throughout the Garden, where all plants with fertile structures were collected for later taxonomic identification of plant species. The collected material was herborized and later deposited in the Herbarium Prisco Bezerra (EAC) of the Ceará Federal University. Identification was based on identification keys, specialized bibliography, expert consultation, comparison with herbarium specimens and standard specimens. A total of 158 plant species, belonging to 121 genera, were distributed in 58 families. The most representative families were Fabaceae (29 species), Rubiaceae (12 spp.), Asteraceae (seven spp.), Euphorbiaceae (six spp.), Myrtaceae (six spp.), Convolvulaceae (five spp.), Malvaceae (five spp.), Turneraceae (five spp.) which account for 50.63% of the sampled flora. The most representative habit in the study area was herbaceous, represented by 53 species, followed by tree with 35 species, bush with 34 species, sub-shrub with 20 species and creeper with 16 species. We can conclude with the present study the great heterogeneity of the studied place, besides the great diversity of families present.Keywords: Restinga, inventory, flora.
The urban areas have suffered with the loss in their biodiversity along the years due to the decrease of green areas by civil construction or by the urban population growth. Therefore, this work aimed at registering the angiosperms diversity in an urban forest fragment at the Itaperi Campus of the State University of Ceará, Fortaleza, Brazil. The sampling was carried out from May/2018 to April /2019 through walks during the rainy and dry seasons. 160 species distributed in 128 genera and 49 families were registered. Fabaceae (27 spp.), Asteraceae (13 spp.), Convolvulaceae and Malvaceae (11 spp. each), Rubiaceae e Poaceae (9 spp. each), and Euphorbiaceae (8 spp.) were the richest families, accounting for 55% of the sampled flora. The herbaceous plants (36.65%) were the most represented habit after which the sub-shrubs and shrubs (17,50% each), arboreal (16,25%) and climbing plants (13.12%) were classified. Among the total species 94.37% are natives, 15,62% are endemic to Brazil and 5,62% are exotic. Of the identified species, 10 spp. are in the Red List of the Flora Conservation National Center and 30 spp. are in the Red List of the International Union for the Conservation of Nature. It can be concluded that the studied fragment has an important richness of plant species in an urban area, therefore it is necessary to create a Conservation Unity and a management plan in order to guarantee the conservation of the area.
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