The tree contains alkaloids in its bark, leaves and roots.

Some species contain alkaloids, including horsfiline, which has analgesic effects.

It contains various alkaloids that have toxic properties which affect the mind and body.

The leaves and seeds contain alkaloids which are probably toxic.

The roots and above ground parts of the plants are containing alkaloids.

Dutchman's breeches contains several alkaloids that may have effects on the brain and heart.

Furthermore, different tissues of the same plants may contain different alkaloids.

Many members of this genus contain toxic and medicinal alkaloids.

The plant contains bitter and toxic alkaloids such as hordenine.

Plants and fungi that contain indole alkaloids have a long history of use in traditional medicine.