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Type: Article
Published: 2017-09-01
Page range: 184–190
Abstract views: 26
PDF downloaded: 1

Philodendron melloi (Araceae), a new species from central Amazonia, Brazil

Instituto Nacional de Pesquisas da Amazônia (INPA), Programa de Pós-graduação em Botânica, Av. André Araújo, Aleixo, Manaus, AM, CEP 69060-001, Brasil
Instituto Nacional de Pesquisas da Amazônia (INPA), Programa de Pós-graduação em Botânica, Av. André Araújo, Aleixo, Manaus, AM, CEP 69060-001, Brasil
Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB, England
Instituto Nacional de Pesquisas da Amazônia (INPA), Programa de Pós-graduação em Botânica, Av. André Araújo, Aleixo, Manaus, AM, CEP 69060-001, Brasil
Instituto Nacional de Pesquisas da Amazônia (INPA), Programa de Pós-graduação em Botânica, Av. André Araújo, Aleixo, Manaus, AM, CEP 69060-001, Brasil
Aroid epiphyte taxonomy tropical rain forest Monocots

Abstract

A new species of Philodendron in central Amazonia, Manaus-AM, Brazil, is described and illustrated. Philodendron melloi belongs to the subgenus Philodendron and is possibly a representative of the section Tritomophyllum. This newly described species is similar to P. barrosoanum and P. hyleae, but differs Its preference for terrestrial habitats, persistence of the prophyll, intermediate-sized width of leaf base at the anterior division (1.5–5.6 cm), oblong sinus, floral sympodium with 1–4 inflorescences, 3–6 locules per ovary, and a large number (15–25) of ovules per locule, inserted along the entire length of the placenta.The other two species only have 5 (4–6) and 2 ovules per locule respectively.