Pierfelice Ravenna

Ceiba speciosa, the floss silk tree (formerly Chorisia speciosa), is a species of deciduous tree that is native to the tropical and subtropical forests of South America. It has several local common names, such as palo borracho (in Spanish literally "drunken stick"), or árbol del puente, samu'ũ (in Guarani), or paineira (in Brazilian Portuguese). In Bolivia, it is called toborochi, meaning "tree of refuge" or "sheltering tree". In the USA it often is called the silk floss tree. It belongs to the same subfamily as the baobab; the species Bombax ceiba; and other kapok trees. Another tree of the

Ceiba chodatii, the floss silk tree, is a species of deciduous tree native to the tropical and subtropical forests of South America. It has a bottle-shaped swollen trunk in which water is stored for the dry season and is known locally as palo borracho.

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Diora is a genus of plants in the Agavoideae. It contains only one known species, Diora cajamarcaensis, endemic to Peru.

Ceiba ventricosa, known as the barriguda tree, is a species of tree in the Malvaceae family. It is a tropical and evergreen species native to the Atlantic rainforests of Brazil. It can reach a height of 26 meters, and the bole can grow to a diameter of 60 centimeters. The species was described by Pedro Felix Ravenna in 1998.

Alstroemeria discolor is a species of monocotyledonous plants from Alstroemeria genus, Alstroemeriaceae family, described by Pierfelice Ravenna. According to Catalogue of Life Alstroemeria discolor does not have any known subspecies.

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Phaedranassa tunguraguae is a species of plant that is endemic to Ecuador. Its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical dry shrubland. It is threatened by habitat loss.

Nothofagus rutila is a species of tree in the family Nothofagaceae. It is endemic to central Chile. Common names include roble rojo, and roble encendido.

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