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Artigo Original • Rodriguésia 71 • 2020 • https://doi.org/10.1590/2175-7860202071127   copy

Flora of Rio de Janeiro: Cactaceae

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Abstract

This work presents the species of Cactaceae occurring in the state of Rio de Janeiro, distributed in “restingas” and the Atlantic forest. 13 genera, 50 species and 8 subspecies are described and illustrated. The genus Rhipsalis is the most diverse in number of species and distributed in most regions of the state. Identification keys, descriptions, illustrations and geographic distribution are presented. The family Cactaceae is represented by the followed genera with the number of species and subspecies: Brasiliopuntia (1 sp.), Cereus (1 sp., 2 subsp.), Coleocephalocereus (1 sp.), Epiphyllum (1 sp.), Hatiora (2 sp.), Hylocereus (1 sp.), Lepismium (2 sp.), Melocactus (1 sp., 1 subsp.), Opuntia (1 sp.), Pereskia (2 sp.), Pilosocereus (2 sp., 1 subsp.), Rhipsalis (29 sp., 2 subsp.) and Schlumbergera (5 sp., 2 subsp.). Rhipsalis barthlotti is designated a synonym for R. crispimarginata.

Key words:
Brasil; Cactaceae; flora; taxonomy

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro Rua Pacheco Leão, 915 - Jardim Botânico, 22460-030 Rio de Janeiro, RJ, Brasil, Tel.: (55 21)3204-2148, Fax: (55 21) 3204-2071 - Rio de Janeiro - RJ - Brazil
E-mail: rodriguesia@jbrj.gov.br
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