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TUI (Dolichandrone spathacea)

Trade Name

Tui

Scientific Name

Dolichandrone spathacea (L. f.) Baillon ex Schumann

Family

BIGNONIACEAE

Common Names

Mangrove trumpet tree; Khae thale (Thailand); Khae nam (Thailand); Khe (Laos); Thakut (Myanmar); Quao (Vietnam); Khae pa (Thailand); Tanghas (Philippines); Pata (Philippines); Taring buaya (Malaysia); Kayu kuda (Indonesia); Ki jaran (Indonesia); Tui (Indonesia); Tui (Malaysia); Daun tuwai (Malaysia); Tiui (Philippines)

Scientific Name Synonyms

Dolichandrone rheedii (Spreng.) Seem.; Dolichandrone longissima (lour.) K. Schumann; Bignonia spatacea L. f.

Description Of The Tree

Botanical Description

It is a tree up to 25 m tall, 10-40 cm in diameter. The bole is short and often crooked, without buttresses, becoming fluted with age.

Natural Habitat

This species is common in the outer fringe of mangrove forests, water logged sites, tidal rivers and estuaries.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally vessels of two distinct diameter classes, wood not ring-porous. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally vessels per mm2 less than 6. Occasionally vascular/vasicentric tracheides pres Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. Two cells per parenchyma strand. 3 to 4 cells per parenchyma strand. 5 to 8 cells per par 4 to 10 rays per mm (medium). Occasionally larger rays more than 4 seriate. Occasionally rays exclusively uniseriate. Occasionally body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with simple to minutely bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The heartwood is white to pale yellow or pinkish-buff, not distinct from the sapwood.

Grain

The grain is mostly straight

Texture

The texture of the wood is fine.

Natural Durability

It is non-durable even under cover, but the heartwood is resistant to dry-wood termites.

Natural durability index (1= Very high durability, 7=Vey low durability)

5

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.39

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.41

Total shrinkage Tangential (Saturated to 0%MC) (%)

5.4

Total shrinkage Radial (Saturated to 0%MC) (%)

2.7

Drying Defects

Drying Defects: It is reported that in seasoning the wood is liable to sap-stain and is subject to insect attack.

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

2.0

Wood Chemical Properties

Wood Mechanical Properties

Workability

Machining

Wood processing is reported to be easy.

Turning

30

REFERENCED USES

End Uses Summary

TURNING, cutlery, TOOLS, OTHER AND MUSICAL INSTRUMENTS, handicrafts, shoes, matches

Turning
  • 30 - Embassy of Honduras in Japan
Knife Handles
  • 33 - Embassy of Gabon in Japan
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Shoes
  • 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Matches
  • 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement

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