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MOROTOTO (Didymopanax morototoni)
Nome comercial
Morototo
Nome científico (autor)
Didymopanax morototoni (Aubl.) Decne. & Planch.
Família
ARALIACEAE
Nomes comuns
Yagrumo macho; Tobitoutou; Sun sun; Sancha uva; Orumo macho; Mor; Macho; Kasavehout; Karoboro; Jereton; Higueroton; Ambayguazu; Roble Blanco (Mexico); Korohoro (Guyana); Yagrumo (Cuba); Anonilla (Peru); Platanillo (Ecuador); Yarumero (Colombia); Pata De Gallina (Colombia); Borracho (Bolivia); Morototo (Brazil); Matataúba (Brazil); Sacha Uva (Peru); Saint Jean; Mucututu (Brazil); Mountain Trumpet; Matetauba; Marupaúba Falso (Brazil); Karohoro; Guitarrero (Bolivia); Costilla De Danto; Cordoban; Chancaro Blanco; Cassavehout; Bigi Boesie; Badana; Arriero; Arbre De Saint Jean; Anonillo; Mandioqueira (Brazil); Yagrumo De Savana; Pará Pará (Brazil); Cordovan; Cafetero (Venezuela); Yagrume Macho; Yagrume; Tinajero (Venezuela); Sunsun (Venezuela); Matchwood
Nome científico sinônimo (autor
Sciadophyllum paniculatum Britton; Schefflera morototoni (Aubl.) Maguire, Steyerm. & ; Panax undalata Aubl.; Panax splendens Kunth; Panax morototoni Aubl.; Didymopanax poeppigii Decne. & Planch.; Didymopanax morototoni var. poeppigii (Decne. &P
DESCRIÇÃO DA ÁRVORE
Descrição botânica
The trees are reported to reach heights of 35 m, with trunk diameters of 70 cm. They develop well-formed and cylindrical boles that are up to 25 m long.
Habitat natural
Didymopanax morototoni is a pioneer species widespread in the tropical rain forests of tropical America. It is a typical tree of open and secondary forests.
Distribuição natural
It is commonly found in the forests of tropical America. The species is distributed from Mexico southward to Peru and Bolivia. It is also reported to grow in the Caribbean.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Vessels in radial multiples of 2 to 4. Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 more than 20 (very abundant). Scalariform perforation plates with 5 to 15 bars. Vessel-ray pits similar to interve Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. 3 to 4 cells per parenchyma strand. Rays less than 4 per mm (rare). Larger rays more than 4 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Septate fibers present. Fibers with simple to minutely bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
There is no characteristic odor or taste.
Cor
The sapwood is lighter in color than the heartwood, and is usually not well differentiated. Heartwood of timbers in this species is reported to vary in color from gray white to beige white.
Indice de cor
6
Grã
Grain is reported to be typically straight.
Veios ou desenhos na superfície
Texture is reported to be medium.
Brilho
This species is reported to have medium to high luster.
DURABILIDADE NATURAL
This species has low natural resistance against wood degrading agents.
Indice de durabilidade natural
5
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.49
Densidade seca ao ar 12% (g/cm³)
0.53
Contração Tangencial Total (Saturado até peso seco) (%)
7.4
Contração Radial Total (Saturado até peso seco) (%)
5.3
Defeitos causados pela secagem
Drying Defects: Little tendency to warp or check while seasoning.
Programa de secagem recomendável
BR-B; JUNAC-A
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.4
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
759
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
113706
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
405
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
36
Cisalhamento radial a 12% (kgf/cm²)
87
Dureza Janka a 12% (perpendicular) (kgf)
317
Dureza Janka a 12% (paralela) (kgf)
442
TRABALHABILIDADE
Serrar ou Cortar
Sometimes it produces woolly surfaces.
Desdobro da tora em torno para lâminas
This species is reported to be interesting for peeling and for slicing.
Desdobro da tora em faqueadeira para lâminas
This species is reported to be interesting for peeling and for slicing.
Desgaste de ferramentas
It has a slight blunting effect on the cutting tools.
Aplainamento
Planing poses no difficulty, but sometimes woolly surfaces are reported. Tendency to produce fuzzy grain when planing.
Aplicação para molduras
Molding operations are rather easy.
Torneamento
30
Furação
This species is easy to bore.
Fresagem_ranhura_canais
Mortising operations are rather easy.
Comportamento na aplicação de pregos
Good nail-holding properties.
Colagem
This species is easy to glue.
Lixamento
It is easy to sand.
Acabamento
Finishing of this wood is easy.
Aplicação de verniz
It has a good staining.
Revestimentos
Painting or varnishing of this species is reportedly easy.
Operação de lustre da superfície (brilho)
Polishing of this species is reportedly easy.
Trabalhabilidade com ferramentas manuais
This species is reported to be easy to work manually.
Espécies alternativas
Simarouba spp.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, steps, panelling, fittings, shutter boards, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, faces, common veneer, TURNING, lasts, SPORTS, table tennis, PACKING, light packing, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, matches, toothpicks, door core, moldings
CASAS
- 10 - Silica in Timbers
Degraus de escada
- 17 - Tree Conservation Database
Painéis
- 18 - W3TROPICOS Missouri Botanical Garden
Acessórios de madeira
- 19 - Silica in Timbers
Persianas
- 20 - Prospect: The wood database
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Móveis comuns
- 23 - Handbook of Hardwoods
CHAPAS
- 25 - Directory of Timber Trade Malaysia
Lâminas de superfície das chapas
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Lâminas de origem rotativa
- 29 - Embassy of Ecuador in Japan
Torneamento
- 30 - Embassy of Honduras in Japan
Formas de sapateiro
- 34 - Embassy of Indonesia in Japan
INSTRUMENTOS ESPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Pin pong
- 41 - Embassy of the Philippines
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Caixotaria leve
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
ARTIGOS MUSICAIS E OUTROS
- 63 - Madeiras do Brazil II
Artesanato
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Lápis
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Pau de fósforo
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Palitos
- 72 - Proprietes physiques et mecaniques des bois tropicaux, deuxieme supplement
Alma de porta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molduras de quadros
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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