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Corydalis ambigua - Cham.&Schltdl.
                 
Common Name
Family Papaveraceae
USDA hardiness 5-9
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[222].
Habitats Woods and meadows from the lowland to the mountains of N. Japan[58].
Range E. Asia - Japan.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Semi-shade

Summary

Corydalis ambigua


Corydalis ambigua
   
Physical Characteristics
 icon of manicon of flower
Corydalis ambigua is a PERENNIAL growing to 0.2 m (0ft 8in) by 0.1 m (0ft 4in).
It is hardy to zone (UK) 6 and is not frost tender. It is in leaf 6-Mar, and the seeds ripen from May to June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.The plant is self-fertile.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland). It prefers moist soil.

Synonyms
C. 'Ambigua'.

Habitats
Woodland Garden Dappled Shade; Shady Edge;
Edible Uses
Edible Parts: Root.
Edible Uses:

Root - cooked[46, 61, 105, 177].
Medicinal Uses


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Alterative;  Analgesic;  Antiperiodic;  Antispasmodic;  Astringent;  Contraceptive;  Deobstruent;  Diuretic;  
Emmenagogue;  Sedative;  Tonic.

Alterative, antiperiodic, astringent, deobstruent, diuretic, emmenagogue, sedative, tonic[178]. The root is analgesic, antispasmodic and sedative[218]. The tuber has a history of over a thousand years use in mitigating pain[218]. This species was ranked 10th in a test of 250 potential antifertility drugs[218].
Other Uses
None known
Cultivation details
Prefers a moist, well-drained rather light soil, thriving in semi-shade[1]. Grows well in a woodland garden or peat bed[129]. This species is very closely related to and probably part of C. fumariifolia[175]. It is probably not really worthy of specific status and is best treated as a cultivar, C. 'Ambigua'[200]. Plants seem to be immune to the predations of rabbits[233].
Propagation
Seed - best sown as soon as it is ripe, the seed rapidly loses viability if it is allowed to become dry[129]. Surface sow and keep moist, it usually germinates in 1 - 3 months at 15°c[164]. Germinates in spring according to another report[129]. Two months warm, then a cold stratification improves the germination of stored seed[134, 164]. 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[175] and are very prone to damping off[129]. 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 in spring after flowering. Once the plants are dying down, dig up the clump and divide the tubers, planting them out straight into their permanent positions if required.

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Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
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Author
Cham.&Schltdl.
Botanical References
58200
Links / References
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Subject : Corydalis ambigua  

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