Guaiacum coulteri. Plant Database Search. Guayacan. This gnarly, evergreen, slow-growing shrub or small tree is native to the gravelly plains of western Mexico. Scientific: Guaiacum coulteri. Common: guayacan, pockwood, Sonora guaiacum, tree of life, wood of life. Family: Zygophyllaceae Origin: A dry forest hardwood. Guaiacum coulteri. Guayacan. Foliage: Semi-Evergreen. Mature Height: 6′ – 25′. Mature Width: 6′ – 25′. Growth Rate: Slow to Moderate. Hardiness: 28 degrees F.

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X Close Link to this photo Embed this Arkive thumbnail link “portlet” by copying and pasting the code below. Wildscreen With – Tom Hooker: A taxon is Critically Endangered CR when the best available evidence indicates that it meets any of the criteria A to E for Critically Endangered, and it is therefore considered to be facing an extremely high risk of extinction in the wild.

It may NOT be used within Apps. Which species are on the road to recovery? While back in Phoenix a few weeks ago, my first stop was Glendale to check upon these specimens, as well as other desert-type trees I have been researching extensively.

Rodents guaacum Unusual Size communitycoypudocumentaryecosystemenvironmentfilmmakerfilmmakinginvasiveinvasive speciesrodentsUSAWetlandswildlife Monday 24 September Wildscreen With – Tom Hooker: X Close Image credit. It gets water every other day in oculteri summer, then every three days the rest of the year. The picture I uploaded is from an existing tree in our 2 acre site.


Research and Conservation in Southern Sonora, Mexico

I was lucky enough to pick up a nice 1gal specimen while attending Desert Botanical’s spring sale back in March. Just happy to have it, although I know it will take years to reach a height that will be noticeable. To save searches and access a historical view of information you have downloaded you are required to register for an account. The bottom of the crown is often flat because it is often browsed by livestock and other herbivores. This tree’s natural range extends through areas with very dry winters and wet summers.

IUCN Red List of Threatened Species

It divides species into nine categories: We planted 5 Guayacan trees in our property 4 years ago. A taxon is Vulnerable VU when the best available evidence indicates that it meets any of the criteria A to E for Vulnerable, and it is therefore considered to be facing a high risk of extinction in the wild.

A taxon is Endangered EN when the coultefi available evidence indicates that it meets any of the criteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.

I have heard that rainfall within it’s native range varies between “, mostly falling during the warmer months. I also got 2 cuttings 2 weeks ago and Isurprinsingly, one is growing small leaves!! I have one growing in my yard in Phoenix. However, our work is nowhere near complete.

This plant has been said to grow in the following regions: This is only achievable with support from people like you. Once the winter rains start up, i’ll keep it drier, and provide overhead protection to keep excess rainfall off.


Information on Guaiacum coulteri is currently being researched and written and will appear here shortly. Far more than a list of species and their status, it is a powerful tool to inform and catalyze action for biodiversity conservation and policy change, critical to protecting the natural resources we need to survive. Thus far, my own specimen has done well here in Guaiacuj Jose, CA. Commoner lignum vitae Guaiacum officinale. Species categorized as Least Concern LC.

Most neighbours “harvest” my tree before I know it. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.

News from IUCN

Blog Friday 05 October Wildscreen With: No, they are not easy to find. This plant should be used more. Reward your locally-owned nursery by giving them your business instead.

I have used cow manure as fertilizer and the most commercial brand as well.

The plant blooms profusely with purple flowers during the couulteri part of summer in Phoenix, defying Mother Nature’s fury. The 7 seeds germinated in days in small pots in my back patio and they are doing very well. The little leaves come directly off the small branches and even the trunk with the most brilliant bright green coloring.

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