Actaea

Actaea (baneberry or bugbane) is a genus of flowering plants belonging to the family Ranunculaceae, native to temperate regions of the Northern Hemisphere.

The genus is closely related to Cimicifuga and Souliea, and many botanists include those genera within Actaea (e.g. Compton et al. 1998, Compton & Culham 2002, Gao et al. 2006, RHS Plant Finder, 2007) based on combined evidence from DNA sequence data, similarity in biochemical constituents and on morphology; if included, the number of species in Actaea rises to 25-30. Other botanists (e.g. Hoffman 1999, Wang et al. 1999, Lee & Park 2004) reject this merger because only one group (Actaea) have fleshy fruit while the remainder have dry fruit. The genus is treated here in its narrow sense, comprising four to eight species.

USES
Baneberry contains cardiogenic toxins than can have an immediate sedative affect on human cardiac muscle tissue. The berries are the most poisonous part of the plant (hence the name baneberry). Ingestion of the berries can lead to cardiac arrest and death. The berries are harmless to birds, the plant's primary seed disperser. Actaea species are closely related to plants in the genus Aconitum, a highly toxic plant genus which contains wolfbane and several varieties of monkshood.

The root of Actaea rubra was used medicinally by Native Americans and has a long history of use as a strong alternative to Black Cohosh, (Cimicifuga racemosa), for menstrual cramping and menopausal discomfort. The roots of Actaea rubra contain β-sitosterol glucoside.


Selected species
Actaea pachypoda (Doll's-eyes, White Baneberry) is a flowering plant in the family Ranunculaceae, native to eastern North America. It is a herbaceous perennial plant growing to 50 cm or more tall. It has toothed, bipinnate compound leaves up to 40 cm long and 30 cm broad. The white flowers are produced in a dense raceme about 10 cm long. Its most striking feature is its fruit, a 1 cm diameter white berry, whose size, shape, and black stigma scar give the species its other common name "doll's eyes".
White baneberry prefers clay to coarse loamy upland soils, and are found in hardwood and mixed-forest stands.
The berries are highly poisonous, and the entire plant is considered poisonous to humans. First Nations peoples are reported to have drunk a tea made from the root of this plant after childbirth.

Actaea rubra (Red baneberry) is a herbaceous flowering plant native from northern and western America in the family Ranunculaceae. These open woodland plants are upright growing with ternately branched stems with clusters of white flowers produced in mid spring. After flowering green berries are produced that turn bright red in mid summer or in the northern part of it's range in late summer.

Actaea spicata (Baneberry, Eurasian Baneberry, or Herb Christopher) is a species of flowering plant in the genus Actaea, native to Europe and western Asia. It is a herbaceous perennial plant growing 30-60 cm tall. It has toothed, bipinnate compound leaves up to 40 cm long and 30 cm broad. The flowers are white, with 4-6 petaloid sepals, and are produced in an erect raceme about 10 cm long. The fruit is an oval glossy black berry, 10-11 mm long and 8 mm diameter.
It is an extremely poisonous plant. Despite this, it was used in the past in herbal medicines. It is also grown as an ornamental plant in gardens.

Actaea asiatica
 

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