Button Snakeroot, Rattlesnakemaster

Eryngium aquaticum

Physical Characteristics

Eryngium aquaticum is an evergreen Perennial growing to 1.2 m (4ft). See above for USDA hardiness. It is hardy to UK zone 6. It is in leaf all year, in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, beetles. The plant is self-fertile. Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil. The plant can tolerate maritime exposure.

Distribution

Eastern N. America - New Jersey to Florida.

Habitats

Bog Garden; Cultivated Beds;

Edible Uses

None known

Medicinal Uses

Antidote Diaphoretic Diuretic Emetic Expectorant Homeopathy The plant is diaphoretic, diuretic, expectorant and in large doses emetic[207]. It is used mainly in the treatment of disorders of the kidneys and sexual organs[238, 257]. It has been used as an antidote to snake poison[207, 257]. The pounded roots are used as a diuretic[213]. An infusion of them is used to reduce fevers[213]. The plant is used as an antidote to snakebites. The roots are chewed and applied to the bite[213]. A homeopathic remedy is made from the fresh or dried root[4].

Known Hazards

None known