''Corydalis filistipes'' is perennial flowering plant found only on

Ulleung Island Ulleungdo (also spelled Ulreungdo; Hangul: , ) is a South Korean island 120 km (75 mi) east of the Korean Peninsula in the Sea of Japan, formerly known as the Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky s ...

in North Gyeongsang Province, South Korea. It is listed as vulnerable on the IUCN Red List of Threatened Species. The grows to a height of and the tuber diameter reaches in diameter.

Description

2-3 Stem leaf split up 3 times, 2-3 pieces. First leaf split into 3 pieces. Lobe is acute phase and split into 3 pieces or Final lobe form is lance or line lance and surface is green. The back side is grayish blue. Blooming occurs in May. The flowers are long and light purple, in an inflorescence that reaches in length. Structure of

Corolla Corolla may refer to: *Corolla (botany), the petals of a flower, considered as a unit *Toyota Corolla, an automobile model name * Corolla (headgear), an ancient headdress in the form of a circlet or crown * ''Corolla'' (gastropod), a genus of moll ...

calyx Calyx or calyce (plural "calyces"), from the Latin ''calix'' which itself comes from the Ancient Greek ''κάλυξ'' (''kálux'') meaning "husk" or "pod", may refer to: Biology * Calyx (anatomy), collective name for several cup-like structures ...

protruding backward is 5mm long. The

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

is a lanceolate shape with a length of 1–3 cm, but it gradually becomes smaller. The

Peduncle (botany) In botany, a peduncle is a stalk supporting an inflorescence or a solitary flower, or, after fecundation, an infructescence or a solitary fruit. The peduncle sometimes has bracts (a type of cataphylls) at nodes. The main axis of an inflorescenc ...

is 3–8 cm long and has no hair. Fruit is flat, lanceolate, narrow end, 1.8–2 cm long, with a

Stigma (botany) The stigma () is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. Description The stigma, together with the style and ovary (typically called the stigma-style-ovary system) comprises the pistil, whi ...

on the end. The seed is 3mm long and has no hairs, black streak, and white spotted head. There is one main stem and 2 ~ 3 scales at the bottom, among which the large scales are 2.5 – 4 cm long and the lower part covers the main stem. Diameter of tuber is 2 ~ 3 cm and yellow.

Uses

Tubers used by medicinal, but rare. Root tuber of ''

Corydalis yanhusuo ''Corydalis yanhusuo'' is a plant species in the genus ''Corydalis''. The Chinese name for ''Corydalis yanhusuo'' is ''yan hu suo'' (). The Japanese common name is engosaku (エンゴサク) and the Korean common name is hyeonhosaek (현호색). ...

'',

Corydalis turtschaninovii ''Corydalis'' (from Greek ''korydalís'' "crested lark") is a genus of about 470 species of annual and perennial herbaceous plants in the family Papaveraceae, native to the temperate Northern Hemisphere and the high mountains of tropical eastern ...

for. Fumariaefolia, ''

Corydalis ambigua ''Corydalis ambigua'' is a tuberous early flowering east Asian flowering plant species in the poppy family Papaveraceae. Its exact native range is obscure due to taxonomic confusion. It is one of the sources of the drug tetrahydropalmatine. Che ...

'', ''Corydalis filistipes'', '' Corydalis ternata'', ''Corydalis turtschaninovii'' var. ''linearis'' is called '' Corydalis turtschaninowii'' and used by medicinal. Extracted alkaloid by tuber is almost 11.

corydaline Corydaline is an acetylcholinesterase inhibitor Acetylcholinesterase inhibitors (AChEIs) also often called cholinesterase inhibitors, inhibit the enzyme acetylcholinesterase from breaking down the neurotransmitter acetylcholine into choline a ...

tetrahydropalmatine Tetrahydropalmatine (THP) is an isoquinoline alkaloid found in several different plant species, mainly in the genus ''Corydalis'' ( Yan Hu Suo), but also in other plants such as ''Stephania rotunda''. These plants have traditional uses in Chines ...

, conadine, protopine, tetrahydrocoptisine, isocorypalmine, corybulbine, β-homochelidonene,

coptisine Coptisine is an alkaloid found in Chinese goldthread ('' Coptis chinensis''), greater celandine, and opium. Famous for the bitter taste that it produces, it is used in Chinese herbal medicine along with the related compound berberine Berberin ...

, dehydrocorydaline, l-coryclamine, dehydrocorydalmine It has efficacy such as

analgesia Pain management is an aspect of medicine and health care involving relief of pain (pain relief, analgesia, pain control) in various dimensions, from acute and simple to chronic and challenging. Most physicians and other health professionals ...

, soothing, calming, and contraction of the

uterus The uterus (from Latin ''uterus'', plural ''uteri'') or womb () is the organ in the reproductive system of most female mammals, including humans that accommodates the embryonic and fetal development of one or more embryos until birth. The ...

, helps blood circulation, and relieves bruise. Diseases such as

dysmenorrhea Dysmenorrhea, also known as period pain, painful periods or menstrual cramps, is pain during menstruation. Its usual onset occurs around the time that menstruation begins. Symptoms typically last less than three days. The pain is usually in the ...

, menstrual irregularities, abdominal pain due to postpartum hemorrhage, complications of postpartum hemorrhage, back and knee pain, bruising, and bruising are some of the common diseases.

References

filistipes Flora of South Korea {{Ranunculales-stub