Aconitum lamarckii (Ten.) Nyman
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Aconitum lamarckii is a perennial.
Aconitum lamarckii was described by Heinrich Gottlieb Ludwig Reichenbach. The name is considered as validly published.
Aconitum lamarckii is a species in the genus Aconitum which contains approximately 383 to 521 species and belongs to the family of the Ranunculaceae (Buttercup Family). The type species of the genus is Aconitum napellus.
The perennials have a stemless growth and reach heights of 1 to 1,2 metres. The plants reach a width of 15 to 50 centimetres.
Aconitum lamarckii is deciduous. The green leaves are alternate. They are palmately lobed. The leaves are around 10 to 20 centimetres large.
Flowers and Fruits
Aconitum lamarckii produces racemes of semi-double yellow flowers from June to August.
The perennials carry black follicles.
Aconitum lamarckii is native to to mountain regions in Central Europe, southern Europe and Morocco.
The perennials prefer a half-shady to shady situation on moist soil. The substrate should be loamy, sandy-loamy, gritty-loamy, clay, sandy clay or loamy clay soil with a pH between 5 and 6,5. They tolerate temperatures down to -40Â°C (USDA zone 3).
Classification after Prof. Dr. Sieber
- woodland borders (soil usually rich in humus)
- woods (soil usually rich in organic material)
The recommended planting distance is 40 centimetres, the perennials are best planted in groups of 3 to 5. Suited for beds and borders, as well as suited as cut flowers and as bee pasture.
Maintenance and Propagation
- Cut back after flowering.
Propagate by sowing or by division.
Aconitum lamarckii is toxic.
Please read the health issues note!
Pests and Diseases
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.