Corydalis ternata

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Corydalis ternata
Light:Full Sun Part Shade
Moisture:Mesic
Soil pH:5.6-8.4
Height:0.5'
Open Woods Forest
Native to:
Medicinal Rating:
Tea:Yes
Poisonous

Corydalis ternata (common name: three-leaf corydalis)

Propagation: Seed - best sown as soon as it is ripe, the seed rapidly loses viability if it is allowed to become dry[1]. Surface sow and keep moist, it usually germinates in 1 - 3 months at 15°c[2]. Germinates in spring according to another report[1]. Two months warm, then a cold stratification improves the germination of stored seed[3][2]. Sow the seed thinly so that the seedlings can be allowed to grow undisturbed in the pot for their first year. Apply liquid feed at intervals during their growing season to ensure they are well fed. The seedlings only produce one leaf in their first year of growth[4] and are very prone to damping off[1]. Divide the seedlings into individual pots once they have become dormant and grow them on in a partially shaded area of a greenhouse for at least another year. Plant them out into their permanent positions when they are dormant.

Division after flowering.

Cultivation: We have very little information on this species and do not know if it will be hardy in Britain. The following notes are based on the general needs of the genus.

Prefers a moist, well-drained rather light soil, thriving in semi-shade[5]. Grows well in a woodland garden or peat bed.

Plants seem to be immune to the predations of rabbits[6].

Range: E. Asia - China, Korea.

Habitat: Fields and low mountain slopes[7].

Medicinal: The tuber is anodyne and also stimulates energy and blood circulation[8][7]. A decoction is used in the treatment of stomach ache and abdominal pain, hernia-caused pain, poor circulation of blood and energy, body aches, headache, dysmenorrhoea, post-partum pain due to clots and traumatic injury pain[8][7].

Soil: Can grow in light and medium soils.

Drainage: Prefers well drained soil.

Flower Type: Hermaphrodite

Known Hazards: Although no specific mention has been seen for this species, there is a report that Corydalis species are potentially toxic in moderate doses[9].

Links

References

  1. 1.0 1.1 1.2 Alpine Garden Society. Alpine Garden Society Bulletin Volume 56. Alpine Garden Society.
  2. 2.0 2.1 Bird, Alfred. Growing from Seed Volume 4. Thompson and Morgan, 1990.
  3. Rice, Graham. Growing from Seed Volume 2. Thompson and Morgan, 1988.
  4. Bird, Alfred. Focus on Plants Volume 5. Thompson and Morgan, 1991.
  5. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  6. Thomas, Graham. Perennial Garden Plants. J. M. Dent & Sons, 1990.
  7. 7.0 7.1 7.2 Medicinal Plants in the Republic of Korea. World Health Organisation, 1998.
  8. 8.0 8.1 Revolutionary Health Committee of Hunan Province. A Barefoot Doctors Manual. Running Press.
  9. Foster, Steven and Billy Tatum. Medicinal Plants of Eastern and Central North America. Houghton Mifflin, 1990.