![]() ![]() In this paper, we describe two new species found by us during our field trips to the Atlantic Forest. With our ongoing studies for the genus in Brazil, dozens of field activities for the collection and observation of Hippeastrum species in different areas of the country have been carried out. ![]() Brazil currently has about 35 recognized species, most of which are known to occur in the Atlantic Forest, 15 of which are endemic ( Dutilh et al. Hippeastrum is distributed from central Argentina to Colombia, but the highest diversity is found in eastern Brazil and the Andes of Bolivia and Peru ( Meerow and Snijman 1998 García et al. 2019), although little of this genetic diversity is represented in modern commercial hybrids selected from a small number of species ( Meerow 2009). The genus is composed of about 100 species ( García et al. is one of the most popular ornamental plants in the world, and is widely cultivated due to its large and showy flowers, supporting large export markets in countries such as South Africa and the Netherlands ( Meerow 2009 Wang et al. Currently, the Atlantic Forest is reduced to about 10% of its original area, mostly represented by small and isolated fragments, generally smaller than 50 hectares, of which only 1% is protected in conservation units ( Myers et al. Originally, it covered approximately 15% of the national territory, equivalent to almost 1.5 million km 2 ( Ribeiro et al. The Atlantic Forest has experienced a series of agricultural commodity cycles from the coast inward since Brazil was colonized by Europeans ( Dean 1997). The domain comprises a mosaic of vegetation types occurring along the coast, which includes forest and open formations, and a great diversity of associated ecosystems, such as mangroves, restingas ( Stehmann et al. ![]() 2009 Brasilian Flora Group 2018), which is also where the majority of the species on the Brazilian red list occur ( Martinelli and Moraes 2013). Much of this diversity is in the Atlantic Forest ( Stehmann et al. Brazil has the most diverse flora in the world, harbouring approximately a quarter of all plant species in the Neotropics, about half of which are endemic ( Ulloa Ulloa et al. ![]()
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