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Summary
Pao Santo, Bulnesia samientoi, is a tropical, slow-growing, deciduous tree found in South America. It grows up to 18 m tall and its crown is arching and spreading. The cylindrical bole is short and up to 70 cm in diameter. Wood yields a rose-like scented essential oil known as “guaiac oil” used in making perfume, soap, etc. The wood is very heavy, hard, and resistant. It is used as material for items that require great resistance to abrasion and as a fuel.
Physical Characteristics
Bulnesia sarmientoi is a deciduous Tree growing to 18 m (59ft) by 18 m (59ft) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 10 and is frost tender.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: neutral and basic (mildly alkaline) soils and can grow in saline soils.
It cannot grow in the shade. It prefers dry or moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
No synonyms are recorded for this name.
Plant Habitats
Edible Uses
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
The plant is used medicinally[ 420 ].
References More on Medicinal Uses
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Other Uses
Cosmetic Fuel Soap making Wood
Other uses rating: High (4/5). The tree is exploited from the wild for its timber and essential oil[307
]. An essential oil is distilled from the wood[ 307 ]. It has a soft, rose-like scent[ 46 ]. Known as guaiac oil, it is used in perfumery, making soap etc[ 46 , 307 ]. It is said to conceal the harsh notes of some synthetic aromatics[ 46 ]. The wood is very heavy, very hard and resistant, pleasantly scented with a fine and homogenous texture[ 420 ]. It has crystals of calcium oxalate and resin amongst its fibres and is extremely durable, even when exposed[ 420 ]. It is used for items that require great resistance to abrasion, such as bushings and vessel helices[ 420 ]. It is also much used for lathe work[ 420 ]. When used as a fuel, the wood gives off a fragrant smoke[ 420 ].
Special Uses
References More on Other Uses
Cultivation details
Grows best in a sunny position[ 420 ]. Plants are slow to establish and grow away slowly[ 420 ].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - best sown as soon as it is ripe in a sunny position in a nursery seedbed or in containers[ 420 ]. Germination rates are normally low, occurring in 3 - 4 weeks[ 420 ].
Other Names
If available other names are mentioned here
Pao Santo, Bulnesia samientoi
Native Range
SOUTHERN AMERICA: Brazil (Mato Grosso do Sul), Bolivia (Santa Cruz), Argentina (Chaco, Formosa, Salta), Paraguay
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
None Known
Conservation Status
IUCN Red List of Threatened Plants Status : Lower Risk/conservation dependent
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Lorentz & Griseb.
Botanical References
Links / References
For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.
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Subject : Bulnesia sarmientoi
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