Tupelo: Nyssa spp., Nyssaceae

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Tupelo contains about five species native to the United States [3] and eastern Asia [2]. The word nyssa is the name of a water nymph, so-called because the type species, Nyssa aquatica L., water tupelo, grows in water.

Nyssa aquatica bay-poplar, bastard cottonwood, big tupelo, bowl gum, chickasawatchie whitewood, cotton-gum, gray gum, gum cottonwood, hazel pine, hickory poplar, ladle gum, large tupelo, olivetree, pawpaw gum, rootwood tupelo, sap gum, sour gum, swamp gum, swamp poplar, swamp tupelo, trade tupelo, tupelo, tupelo gum, water gum, water tupelo, white gum, wild olivetree, yellow gum

Nyssa ogeche bee tupelo, gopher plum, limetree, ogeechee lime, lone tupelo,

ogeeche gum, ogeechee plum, ogeechee tupelo, sour tupelo, sour tupelo gum, tupelo, white tupelo, white tupelo gum, wild limetree

Nyssa sylvatica blackgum, black tupelo, bowl gum, gum, pepperidge, plain blackgum, quartered black gum, sour gum, stinkwood, swamp blackgum, swamp tupelo, tupelo, tupelo gum, yellow gum, yellow gumtree, wild pear-tree

Nyssa sylvatica blackgum, swamp blackgum, bouw gum, lowland black gum,

var. biflora lowland gum, sour gum, southern gum, swamp black gum, swamp tupelo, tupelo gum, water gum

Distribution: The eastern to southeastern United States.

The Tree: Tupelo trees reach heights of 100 ft (30 m), with a diameter of over 3 ft (1 m).

General Wood Characteristics: The sapwood of tupelo is a light gray-brown, while the heartwood is darker. The wood has interlocked grain, with a natural tendency to warp when dried, especially when flatsawn. It shows a characteristic figure when quartersawn. It has no characteristic odor or taste.

Weight

 

 

 

 

Species

MC

SGa

Weightb

lb/ft3

kg/m3

Nyssa aquatica

Green

0.46

NA

NA

(water tupelo)

12%

0.50

NA

NA

 

Ovendry

NA

NA

NA

Nyssa sylvatica

Green

0.46

45

721

(black tupelo)

12%

0.50

35

561

 

Ovendry

0.55

NA

NA

aData for green and 12% conditions taken from reference (98); ovendry data from reference (59).

bData from reference (59).

Mechanical propertiesa

 

 

 

Property        Green

 

Dry

Nyssa aquatica (water tupelo)

 

 

 

MOE

1.05 x 106 lbf/in2

7.239 GPa

1.26 x 106 lbf/in2

8.688 GPa

MOR

7.30 x 103 lbf/in2

50.334 MPa

9.60 x 103 lbf/in2

66.192 MPa

C| |

3.37 x 103 lbf/in2

23.236 MPa

5.92 x 103 lbf/in2

40.818 MPa

Cl

0.48 x 103 lbf/in2

3.310 MPa

0.87 x 103 lbf/in2

5.999 MPa

WML

8.30 in-lbf/in3

57.229 kJ/m3

6.90 in-lbf/in3

47.576 kJ/m3

Hardness

710 lbf

3,158.08 N

880 lbf

3,914.24 N

Shear| |

1.19 x 103 lbf/in2

8.205 MPa

1.59 x 103 lbf/in2

10.963 MPa

Nyssa sylvatica (black tupelo)

 

 

 

MOE

1.03 x 106 lbf/in2

7.102 GPa

1.20 x 106 lbf/in2

8.274 GPa

MOR

7.00 x 103 lbf/in2

48.265 MPa

9.60 x 103 lbf/in2

66.192 MPa

C| |

3.04 x 103 lbf/in2

20.961 MPa

5.52 x 103 lbf/in2

38.060 MPa

Cl

0.48 x 103 lbf/in2

3.310 MPa

0.93 x 103 lbf/in2

6.412 MPa

WML

8.00 in-lbf/in3

55.160 kJ/m3

6.20 in-lbf/in3

42.749 kJ/m3

Hardness

640 lbf

2,846.72 N

810 lbf

3,602.88 N

Shear| |

1.10 x 103 lbf/in2

7.584 MPa

1.34 x 103 lbf/in2

9.239 MPa

 

aReference (98).

 

Drying and shrinkagea

 

 

 

 

 

Percentage of shrinkage
(green to final moisture content)

 

Type of shrinkage

0% MC

6% MC

20% MC

 

Tangential

 

 

 

 

Nyssa aquatica (water tupelo)

7.6

6.1

2.5

 

Nyssa sylvatica (black tupelo)

8.7

6.2

2.6

 

Radial

 

 

 

 

Nyssa aquatica (water tupelo)

4.2

3.4

1.4

 

Nyssa sylvatica (black tupelo))

5.1

3.5

1.5

 

Volumetric

 

 

 

 

Nyssa aquatica (water tupelo)

12.5

10.0

4.2

 

Nyssa sylvatica (black tupelo))

14.4

11.1

4.6

 

aReferences: 0% MC, (98); 6% and 20% MC, (90).

 

 

 

Kiln drying schedulea

 

 

 

 

 

4/4, 5/4, 6/4        8/4

10/4

12/4

16/4

Condition

stock        stock

stock

stock

stock

Nyssa sylvatica

T12-E5        T11-

T1 1-D3

T9-C2

T7-C2

(black tupelo)

D3

 

 

 

Nyssa sylvatica var. biflora (blackgum)

T10-E3        T8-D2

NA

NA

NA

aReferences (6, 86).

 

 

 

 

 

Working Properties: It is moderately strong, but difficult to glue. Durability: Tupelo lacks any natural durability.

Preservation: Tupelo is permeable.

Uses: Furniture, shipping containers, millwork, veneer, plywood, crossties, bridge ties and crossing planks.

Toxicity: No information available at this time.

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