Download Aiphanes (Flora Neotropica Monograph No. 70) Roystonea (FN by Finn Borchsenius, Rodrigo Bernal, Scott Zona, Andrew PDF

By Finn Borchsenius, Rodrigo Bernal, Scott Zona, Andrew Henderson, Gloria Galeano, Monica Moraes R.

Aiphanes (Palmae), by means of Finn Borchsenius and Rodrigo Bernal (Vol. 70); Roystonea (Arecaceae: Arecoideae), via Scott Zona (Vol. 71); Euterpe, Prestoeae, and Neonichlosonia (Palmae), via Andrew Henderson and Gloria Galeano (Vol. 72); and Allagoptera (Palmae), through Mónica Moraes R. (Vol. 73)

A taxonomic revision of every neotropical genus is gifted.

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Extra info for Aiphanes (Flora Neotropica Monograph No. 70) Roystonea (FN No. 71) Euterpe, Prestoea, and Neonicholsonia (FN No. 72) Allagoptera (FN No. 73)

Sample text

Twenty-two species distributed in the LesserAntilles, Trinidad,Venezuela,Panama,and along the Andes from Colombia to Bolivia, reaching 3000 m elev. in Colombia. Most species are found in Colombia (15) and Ecuador(11). Key to the Species of Aiphanes 1. Inflorescenceunbranched. 2. Leaves entire or divided into a large top segment and 1-4, 1-ribbedpinnae per side; Colombia and Ecuador. 14. A. macroloba 2. Leaves pinnatelydivided, with >6 pinnae per side. 3. Pinnae linear or nearly so, 6-18 times as long as wide; plants acaulescent.

Inflexed in Acrocomia). Inflexed filaments are, however,known in Aiphanes, as are staminodesfree of the petals, imbricatecorolla valves, and solitarystaminateflowers (apicallyon the rachillae). Aiphanes is morphologically a well-defined unit, and there seems no reason to doubt that it is monophyletic. The charactersdefining Aiphanes are praemorse pinnae (apomorphic), protandrousinflorescences (possibly apomorphic;see below), staminate flowers with free sepals and nearly free petals, and pistillate flowers with free sepals and half-connate petals.

15. A. minima 16. Pinnaeinsertedin groups;acaulescentor with a solitaryor caespitose stem. 18. Pinnae lanceolateto linear,widest in the middle or equally wide in the middle and at apex. 7. A. erinacea 19. With yellow and black spines; pinnae>50 cm long; W Colombia........ 19. With black spines; pinnae <50 cm long. 20. Stem solitary,0-2 m tall; leaves polystichous;E Ecuadorand Peru, 22. A. weberbaueri below 2000 m ....................................... 20. Stem caespitose, 2-7 m tall; leaves often distichous;Colombiato S Ecuador,usually above 2000 m altitude.

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