Aconitum

Aconitum, known as aconite, monkshood, or wolfsbane, is a genus of flowering plant belonging to the buttercup family (Ranunculaceae). There are over 250 species of Aconitum.

These herbaceous perennial plants are chiefly natives of the mountainous parts of the northern hemisphere, growing in moisture retentive but well draining soils on mountain meadows. Their dark green leaves lack stipules. They are palmate or deeply palmately lobed with 5–7 segments. Each segment again is 3-lobed with coarse sharp teeth. The leaves have a spiral or alternate arrangement. The lower leaves have long petioles.


USES
Many species of Aconitum are cultivated in gardens, having either blue or yellow flowers. Aconitum lycoctonum (Alpine wolfsbane), is a yellow-flowered species common in the Alps of Switzerland. As garden plants the aconites are very ornamental, hardy perennial plants. They thrive well in any ordinary garden soil, and will grow beneath the shade of trees. They are easily propagated by divisions of the root or by seeds; care should be taken not to leave pieces of the root where livestock might eat them, owing to their poisonous character.

The most common plant in this genus, Aconitum napellus (the Common Monkshood) was considered to be of therapeutic and toxicological importance. Its roots have occasionally been mistaken for horseradish. It has a short underground stem, from which dark-colored tapering roots descend. The crown or upper portion of the root gives rise to new plants. When touched to one's lip, the juice of the aconite root produces a feeling of numbness and tingling. This plant is used as a food plant by some Lepidoptera species including Dot Moth, The Engrailed, Mouse Moth, Wormwood Pug, and Yellow-tail.

The roots of Aconitum ferox supply the Nepalese poison called bikh, bish, or nabee. It contains large quantities of the alkaloid pseudaconitine, which is a deadly poison. Aconitum palmatum yields another of the bikh poisons. The root of Aconitum luridum, of the Himalaya, is said to be as virulent as that of A. ferox or A. napellus.

Several species of Aconitum have been used as arrow poisons. The Minaro in Ladakh use A. napellus on their arrows to hunt ibex, while the Ainus in Japan used a species of Aconitum to hunt bear. The Chinese also used Aconitum poisons both for hunting, and for warfare.


Selected Species
Aconitum anthora, variously known as Anthora, Yellow Monkshood, or Healing Wolfsbane, is a yellow flowering plant species of the genus Aconitum in the family Ranunculaceae.
It's native range is widespread, but mainly in European mountains, such as the Alps and the Carpathians, and the northern parts of Asia. Like all Aconitum species, it has great variability, due to isolation and hybridisation. Because of this polymorphism, Aconitum anthora is included in the Aconitum vulparia-group. It flowers from July to September.
Historically, its root, which is tuberous, was reputed to be a good antidote, and counter-poision to poisons from 'thora' or Aconitum pardalianches, whence its naming anthora or "against thora". This plant is extremely toxic to livestock and humans. Even small doses can be deadly.

Aconitum carmichaelii, called Fu Zi in Chinese, is a flowering plant species of the genus Aconitum in the family Ranunculaceae. It is considered a medicinal herb by some and the root is most commonly used to effect circulation, restore yang and expel cold. It is sometimes used topically in Dit Da Jow liniment. If not prepared properly by a trained Chinese herbalist, it is deadly when taken internally.

Aconitum noveboracense, also known as Northern Blue Monkshood or Northern Wild Monkshood, is a flowering plant belonging to the buttercup family (Ranunculaceae). Members of its genus (Aconitum) are also known as wolfsbane.
The United States Fish and Wildlife Service government lists it as a threatened species. It grows in rare portions of New York State and in portions of the Driftless Area.
Northern monkshood is noted for its very distinctive, blue hood-shaped flowers. The flowers are about 1 inch in length, and a single stem may have many flowers. Stems range from about 1 to 4 feet in length. The leaves are broad with coarse, toothed lobes.
Only found in Iowa, Wisconsin, Ohio, and New York.

Aconitum columbianum is a species of flowering plant in the buttercup family known by the common names Columbian monkshood or western monkshood. This wildflower is native to western North America where it grows in moist areas. It is a spindly, twining perennial plant with lobed or toothed leaves and long stems with far-spaced flowers. The folded, wrinkly flowers are often deep blue or purple, but may also be white or yellowish, and they usually have a spur. The fruits are pod-like follicles. Like other monkshoods, this plant is poisonous.

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