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Common Name: Bei Wu Tou
Habitat: Aconitum kusnezoffii is native to E. Asia – N. China, N. Japan in Kamtschatka, Korea and Siberia. It grows on grassy slopes, grasslands, forests, forest margins, by streams at elevations of 2200 – 2400 metres.
Aconitum kusnezoffii is a perennial plant growing to 1.5 m (5ft). usually branched, glabrous, with leaves equally arranged along stem.Root stocks are conical or carrot-shaped, 2.5–5 cm, 7–12 mm in diam. Proximal cauline leaves withered at anthesis, middle ones shortly to long petiolate; petiole 3–11 cm, glabrous; leaf blade pentagonal, 9–16 × 10–20 cm, papery or subleathery, abaxially glabrous, adaxially sparsely retrorse pubescent, base cordate, 3-sect; central segment rhombic, apex acuminate, subpinnately divided or lobed; lateral segments obliquely flabellate, unequally 2-parted. Inflorescence terminal, 9–22-flowered; rachis and pedicels glabrous; proximal bracts 3-fid, others oblong or linear. Proximal pedicels 1.8–3.5(–5) cm, with 2 bracteoles at middle or below; bracteoles linear or subulate-linear, 3.5–5 × ca. 1 mm. Sepals purple-blue, abaxially sparsely retrorse pubescent or nearly glabrous; lower sepals oblong, 1.2–1.4 cm; lateral sepals 1.4–1.6(–1.7) cm; upper sepal galeate or high galeate, 1.5–2.5 cm high, shortly or long beaked, lower margin ca. 1.8 cm. Petals glabrous; limb 3–4 mm wide; lip 3–5 mm; spur incurved or subcircinate, 1–4 mm. Stamens glabrous; filaments entire or 2-denticulate. Carpels (4 or)5, glabrous. Follicles erect, (0.8–)1.2–2 cm. Seeds ca. 2.5 mm.
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It is in flower from Jul to September. and are pollinated by Bees.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil
Thrives in most soils and in the light shade of trees. Grows well in heavy clay soils. Prefers a moist soil in sun or semi-shade. Prefers a calcareous soil. Grows well in open woodlands. Members of this genus seem to be immune to the predations of rabbits and deer. This species is closely related to A. yezoense. A greedy plant, inhibiting the growth of nearby species, especially legumes.
Seed – best sown as soon as it is ripe in a cold frame. The seed can be stratified and sown in spring but will then be slow to germinate. When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for their first winter. Plant them out in late spring or early summer. Division – best done in spring but it can also be done in autumn. Another report says that division is best carried out in the autumn or late winter because the plants come into growth very early in the year.
The root is alterative, anaesthetic, antiarthritic, deobstruent, diaphoretic, diuretic, sedative and stimulant. This is a very poisonous plant and should only be used with extreme caution and under the supervision of a qualified practitioner.
Known Hazards : The whole plant is highly toxic – simple skin contact has caused numbness in some people.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.