Tokyo Food Safety Information Center » Good things to know »  Poisonous plants easily mistaken for harmless ones » Foxglove (Scrophulariaceae)

Foxglove (Scrophulariaceae)

Perennial plant originating in Europe that grows to a height of 1 to 1.5 meters. Long tubular reddish-purple flowers bloom one by one from bottom to top.


Characteristics

Habitat Cultivated in gardens and grows naturally in uncultivated land escaping closer to villages.
Parts of the plant that may be ingested accidentally. Leaves, etc. Since its leaves resemble comfrey, it might be accidentally ingested as comfrey. Comfrey was considered as edible in the past, however, in recent years it became known to cause liver disorder when ingested excessively, because it contains pyrrolizidine alkaloid. Consequently, it might be better not to consume comfrey. (Please refer to the page on comfrey discussed later.)
Symptoms Gastrointestinal distress, vomiting, diarrhea, arrhythmia, headache, dizziness. Serious cases can lead to suspension of cardiac function and become fatal.
Venomous constituents It contains cardiac glycoside digitoxin, especially in the leaves. Whole plantis poisonous.

Foxglove (poisonous)
Foxglove (poisonous)
Foxglove leaves (poisonous)
Foxglove leaves (poisonous)
Comfrey (poisonous)
Comfrey (poisonous)
Comfrey leaves (poisonous)
Comfrey leaves (poisonous)

 

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