Flora Da Reserva Ducke, Amazonas, Brasil: Burmanniaceae

Thismia nigricoronata, a new species of Burmanniaceae (Thismieae, Dioscoreales) from Vang Vieng, Vientiane Province, Laos, and a key to subgeneric classification

“…Hatusima (1976: 4 Mueller (1891: 232) and is now considered a synonym of Thismia caudata Maas & Maas (1986: 162). The latter species possesses connate anther thecae, a character of subgenus Ophiomeris, and has hence been transferred to subgenus Ophiomeris as the type of section Pyramidalis (Maas & Maas 1986 Tsukaya & H.Okada, Syst. Bot.…”

First record of Gymnosiphon tenellus (Benth.) Urb. (Burmanniaceae) in Paraná state and southern Brazil

“…Specialized literature was used to confirm identity of the species and determine its geographic distribution (Jonker 1938;Maas et al 1986b;Maas-van de Kamer and Maas 1988, 2003, 2005. Additional data were obtained from speciesLink (http://splink.cria.org.br/), Tropicos (http://www.tropicos.org/), Catalogue of Life (http:// www.catalogueoflife.org/), and Flora do Brasil 2020 (http://floradobrasil.jbrj.gov.br/) databases.…”

“…From sea level to 1400 m a.s.l. (Maas et al 1986b;Maas-van de Kamer and Maas 1988). The specimens studied here were collected at 900-1200 m a.s.l., within Araucaria and Atlantic rainforests.…”

“…2). Central America (Costa Rica, Honduras, Jamaica, and Panama), Amazonian regions of Bolivia, Colombia, Venezuela, and Brazil, and in the Brazilian states Rio de Janeiro (Maas et al 1986b;Maas-van de Kamer andMaas 1988, 2005;Maas et al 2015;Kew 2018;Tropicos 2018) and now Paraná. From sea level to 1400 m a.s.l.…”

“…Gymnosiphon Blume is a species-rich Pantropical genus of Burmanniaceae (Merckx et al 2008), characterized by outer petals 3-lobed, caducous, fruits in line with the pedicel, dehiscent through three valves or with the capsule wall irregularly withering (Maas et al 1986b). The genus comprises 24 species, of which 14 are found in the Neotropics (Maas-van de Kamer 1998).…”