Stuck it in the front, facing the East and it seems to be doing well. It gets water every other day in the summer, then every three days the rest of the year. It took a while to get settled, but it appears to be slowly growing. Just happy to have it, although I know it will take years to reach a height that will be noticeable. It can eventually reach 25' tall. The bottom of the crown is often flat because it is often browsed by livestock and other herbivores.
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All rights reserved. Facebook Page Login. Accession Count: 4. Find this plant on campus. Family Name: Zygophyllaceae. Botanical Name: Guaiacum coulteri. Synonyms: Botanical Synonyms: Guaiacum planchoni. Family Synonyms: Caltrop. Sub Species:. Characteristics: Guaiacum coulteri is an evergreen that grows as either a large, crooked-limbed shrub, or small multi-trunk tree sporting an upright and spreading, to pendulous and weeping growth habit 1.
This plant typically remains 10 feet tall or less, and may reach up to 25 feet in warm climates. The bark is deeply furrowed and the leaves are small, dark green, and pinnately compound with 4 to 8 pairs of leaflets. Flowers are vibrant purple, axillary, and have five petals that blossom in either clusters or singly between spring and fall, further maturing into shiny, red, multi-carpellate fruit 2. Compound: Gua cou.
Geographic Origin: Mexico. Ecozone Origin: Nearctic. Biome Origin: MX. Natural History: G. Propagation may be done in vitro by sowing seeds that have been soaked and swelled in water into an agar or gelatin medium. They thrive when grown in gravelly, well drained soils. Also growing best under full sun exposure, and should be carefully sited to avoid partial to full shade. Pruning should be limited to shaping 1. Cultivation Notes: G. Ethnobotany: G. Accounts of folk medicine in Mexico have described G.
The gum is used to treat syphilis, asthma, arthritis, and various sexually transmitted diseases, while the resin can be used as a mild laxative, diuretic, and diaphoretic 3.
Modern landscape use includes, but is not limited to, being an accent or screening shrub. Height: 16 - 20 feet. Width: 20 - 50 feet. Growth Rate: Slow Growing. Grow Season: Summer. Flower Season: Spring. Color: Purple. Function: Accent. Spread: Non-spreading. Allergen: Non-allergenic. Invasive: Benign. Toxicity: Benign.
Hardy: Tender. Water Use: Low water Use. Retrieved December 29, Retrieved November 3,
Research and Conservation in Southern Sonora, Mexico