![]() ![]() The other petals are small and scale-like or nonforming. They have a hollow spur at their apex, containing the nectar. The two upper petals are large and are placed under the hood of the calyx and are supported on long stalks. They are distinguishable by having one of the five petaloid sepals (the posterior one), called the galea, in the form of a cylindrical helmet, hence the English name monkshood. The tall, erect stem is crowned by racemes of large blue, purple, white, yellow, or pink zygomorphic flowers with numerous stamens. The lower leaves have long petioles.ĭissected flower of Aconitum vulparia, showing the nectaries The leaves have a spiral (alternate) arrangement. Each segment again is trilobed with coarse sharp teeth. They are palmate or deeply palmately lobed with five to seven segments. The dark green leaves of Aconitum species lack stipules. The English name monkshood refers to the cylindrical helmet, called the galea, distinguishing the flower. The Greek name lycoctonum, which translates literally to "wolf's bane", is thought to indicate the use of its juice to poison arrows or baits used to kill wolves. The name aconitum comes from the Greek word ἀκόνιτον, which may derive from the Greek akon for dart or javelin, the tips of which were poisoned with the substance, or from akonae, because of the rocky ground on which the plant was thought to grow. Several Aconitum hybrids, such as the Arendsii form of Aconitum carmichaelii, have won gardening awards-such as the Royal Horticultural Society's Award of Garden Merit. Most Aconitum species are extremely poisonous and must be handled very carefully. These herbaceous perennial plants are chiefly native to the mountainous parts of the Northern Hemisphere in North America, Europe, and Asia growing in the moisture-retentive but well-draining soils of mountain meadows. Aconitum subgenus Lycoctonum ( DC.) Peterm.Īconitum ( / ˌ æ k ə ˈ n aɪ t əm/), also known as aconite, monkshood, wolfsbane, leopard's bane, devil's helmet, or blue rocket, is a genus of over 250 species of flowering plants belonging to the family Ranunculaceae.For other uses, see Wolfsbane (disambiguation). ![]()
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