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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    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (3 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade
Corydalis ambigua


Corydalis ambigua

 

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Summary


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).
See above for USDA hardiness. It is hardy to UK zone 6 and is not frost tender. It is in leaf from March to June, and the seeds ripen from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees. The plant is self-fertile.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland). It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. 'Ambigua'.

Habitats

Woodland Garden Dappled Shade; Shady Edge;

Edible Uses

Edible Parts: Root
Edible Uses:

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

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
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].

References   More on Medicinal Uses

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FOOD FOREST PLANTS

Other Uses

None known

Special Uses

References   More on Other Uses

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].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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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.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Corydalis aureaScrambled EggsAnnual/Biennial0.5 5-9  LMSM02 
Corydalis cava Perennial0.2 5-9  LMSM03 
Corydalis edulis Perennial0.0 -  LMSM10 
Corydalis falconeri Perennial0.0 -  LMSM00 
Corydalis govaniana Perennial0.0 -  LMSNM02 
Corydalis incisaIncised fumewortAnnual/Biennial0.3 6-10  LMSM110
Corydalis intermedia Perennial0.2 -  LMSM01 
Corydalis juncea Perennial0.0 -  LMSNM10 
Corydalis ochotensis Biennial1.0 -  LMSNM10 
Corydalis pallida Biennial0.3 -  LMSNM10 
Corydalis solidaFumewort, Spring fumewortPerennial0.2 5-9  LMSM13 
Corydalis ternataThree-Leaf CorydalisPerennial0.2 -  LMSNM02 
Corydalis vaginans Annual/Biennial0.0 4-8  LMSNM01 
Corydalis yanhusuoYan Hu SuoPerennial0.0 -  LMSNM03 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Author

Cham.&Schltdl.

Botanical References

58200

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