Aconitum × cammarum

Plant Characteristics

Habit		herbaceous
Lifespan:	⌛	perennial

Cultivation

Features:	✓	flowers

Scientific Names

Ranunculaceae >

Aconitum >

cammarum >

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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.

The tall, erect stem is crowned by racemes of large blue, purple, white, yellow or pink zygomorphic flowers with numerous stamens. 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. There are 2–10 petals, in the form of nectaries. The two upper petals are large. They are placed under the hood of the calyx and are supported on long stalks. They have a hollow spur at their apex, containing the nectar. The other petals are small and scale-like or non-forming. The 3–5 carpels are partially fused at the base.

The fruit is a follicle, a follicle being a dry, unilocular, many-seeded fruit formed from one carpel, and dehiscing by the ventral suture in order to release seeds.

Read about Aconitum × cammarum in the Standard Cyclopedia of Horticulture

Aconitum cammarum, Linn. (A. decorum, Reichb. A. exaltatum, Bernh.). St. 3-4 ft.: lvs. with short, bluntish lobes: fls. purple or blue; panicles or loose spikes few-fld; helmet hemispherical, closed. July-Sept. Hungary. Intro. 1889.—A. Storkianum, Reichb., is a dwarf form of this, with fewer fls. and somewhat fibrous roots. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

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