Plantae > Tracheophyta > Magnoliopsida > Zygophyllales > Zygophyllaceae > Guaiacum > Guaiacum sanctum

Guaiacum sanctum (roughbark lugnumvitae)

Synonyms: Guaiacum multijugum; Guaiacum verticale

Wikipedia Abstract

Guaiacum sanctum, commonly known as Holywood or Holywood Lignum-vitae, is a species of flowering plant in the creosote bush family, Zygophyllaceae. It ranges from southern Florida in the United States and the Bahamas south to Central America and the Greater Antilles. It is threatened by habitat loss. Guaiacum sanctum is the national tree of the Bahamas.
View Wikipedia Record: Guaiacum sanctum


Bloom Period [1]  Spring
Drought Tolerance [1]  Medium
Fire Tolerance [1]  Medium
Frost Free Days [1]  1 year
Fruit/Seed Begin [1]  Spring
Fruit/Seed End [1]  Fall
Growth Period [1]  Spring
Growth Rate [1]  Slow
Janka Hardness [2]  4250 lbf (1928 kgf) Very Hard
Leaf Type [1]  Evergreen
Lifespan [1]  Perennial
Propagation [1]  Seed
Root Depth [1]  36 inches (91 cm)
Seeds Per [1]  44000 / lb (97003 / kg)
Shape/Orientation [1]  Rounded
Specific Gravity [2]  1.31
Structure [3]  Tree
Flower Color [1]  Blue
Foliage Color [1]  Green
Fruit Color [1]  Yellow
Flower Conspicuous [1]  Yes
Fruit Conspicuous [1]  Yes
Height [1]  30 feet (9.1 m)
Hardiness Zone Minimum [1]  USDA Zone: 10 Low Temperature: 30 F° (-1.1 C°) → 40 F° (4.4 C°)
Soil Acidity [1]  Neutral
Soil Fertility [1]  Intermediate
Screening - Summer [1]  Dense
Screening - Winter [1]  Dense

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Biscayne National Park II 11085 Florida, United States
CiĆ©naga de Zapata National Park 1606900 Cuba  
Palo Verde National Park II 46190 Costa Rica  
Santa Rosa National Park II 95780 Costa Rica
Tuabaquey - Limones Ecological Reserve II 4859 Cuba  

Emblem of



Eucalymnatus tessellatus (tessellated scale)[4]
Hemiberlesia palmae (tropical palm scale)[5]

Range Map


External References

USDA Plant Profile



Attributes / relations provided by
1USDA Plants Database, U. S. Department of Agriculture
2Wood Janka Hardness Scale/Chart J W Morlan's Unique Wood Gifts
3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
4Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet 4 November 2009
5Biological Records Centre Database of Insects and their Food Plants
Abstract provided by DBpedia licensed under a Creative Commons License