Oak Leaf Datura, Chinese thorn-apple

Datura quercifolia

Physical Characteristics

Datura quercifolia is a ANNUAL growing to 1.5 m (5ft). See above for USDA hardiness. It is hardy to UK zone 8 and is frost tender. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Distribution

South-western N. America - Arizona to Mexico.

Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Fruit Edible Uses: Drink Fruit - ground up and mixed with clay[161] ( the clay probably has a neutralizing effect on the toxins). A very toxic plant, its use cannot be recommended. The fruit is about 7cm long and 6cm wide[200]. A stupefying beverage is made from the leaves and roots[161].

Medicinal Uses

Narcotic The whole plant is narcotic[200]. It has been used in the past to deaden pain, treat insomnia etc, but any use of this plant should only be carried out under the supervision of a qualified practitioner since the difference between the medicinal dose and a toxic dose is very small.

Known Hazards

All members of this genus contain narcotics and are very poisonous, even in small doses[200].