''Centella asiatica'', commonly known as Indian pennywort, Asiatic pennywort, spadeleaf, coinwort or gotu kola, is a

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of ...

perennial plant In horticulture, the term perennial (''wikt:per-#Prefix, per-'' + ''wikt:-ennial#Suffix, -ennial'', "through the year") is used to differentiate a plant from shorter-lived annual plant, annuals and biennial plant, biennials. It has thus been d ...

in the

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

family

Apiaceae Apiaceae () or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium,'' and commonly known as the celery, carrot, or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering p ...

. It is native to tropical regions of Africa, Asia, Australia, and islands in the western Pacific Ocean. It is consumed as a culinary

vegetable Vegetables are edible parts of plants that are consumed by humans or other animals as food. This original meaning is still commonly used, and is applied to plants collectively to refer to all edible plant matter, including edible flower, flo ...

and is used in

traditional medicine Traditional medicine (also known as indigenous medicine or folk medicine) refers to the knowledge, skills, and practices rooted in the cultural beliefs of various societies, especially Indigenous groups, used for maintaining health and treatin ...

Description

''Centella'' grows in

temperate In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ran ...

and

tropical The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...

swampy areas in many regions of the world. The stems are slender, creeping

stolon In biology, a stolon ( from Latin ''wikt:stolo, stolō'', genitive ''stolōnis'' – "branch"), also known as a runner, is a horizontal connection between parts of an organism. It may be part of the organism, or of its skeleton. Typically, animal ...

s, green to reddish-green in color, connecting plants to each other. It has long-stalked, green, rounded apices which have smooth texture with palmately netted veins. The leaves are borne on pericladial petioles, around . The rootstock consists of

rhizome In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...

s, growing vertically down. They are cream in color and covered with root hairs. The

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

s are white or

crimson Crimson is a rich, deep red color, inclining to purple. It originally meant the color of the kermes dye produced from a scale insect, '' Kermes vermilio'', but the name is now sometimes also used as a generic term for slightly bluish-red col ...

in color, born in small, rounded bunches (umbels) near the surface of the soil. Each flower is partly enclosed in two green bracts. The hermaphrodite flowers are minute in size, less than , with five to six corolla lobes per flower. Each flower bears five stamens and two styles. The fruit are densely reticulate, distinguishing it from species of ''

Hydrocotyle ''Hydrocotyle'', also called floating pennywort, water pennywort, Indian pennywort, dollar weed, marsh penny, thick-leaved pennywort and white rot, is a genus of prostrate, perennial aquatic or semi-aquatic plants formerly classified in the famil ...

'' which have smooth, ribbed or warty fruit. The crop matures in three months, and the whole plant, including the roots, is harvested manually. It is a highly invasive plant, rated as "high risk". ''Centella'' has numerous common names in its regions of distribution. Triterpenes from Centella asiatica

Ecology

''Centella asiatica'' is indigenous to the Indian subcontinent (including Sri Lanka), Southeast Asia, parts of Australia, and wetland regions of the Southeastern US. Because the plant is aquatic, it is especially sensitive to biological and chemical pollutants in the water, which may be absorbed into the plant. It can be cultivated in drier soils, including sandy

loam Loam (in geology and soil science) is soil composed mostly of sand (particle size > ), silt (particle size > ), and a smaller amount of clay (particle size < ). By weight, its mineral composition is about 40–40–20% concentration of sand–si ...

, as long as they are watered regularly enough (such as in a home garden arrangement).

Composition

''Centella'' contains pentacyclic

triterpenoid Triterpenes are a class of terpenes composed of six isoprene units with the molecular formula C30H48; they may also be thought of as consisting of three terpene units. Animals, plants and fungi all produce triterpenes, including squalene, the pre ...

s and

trisaccharide ''Trisaccharides'' are oligosaccharides composed of three monosaccharides with two glycosidic bonds connecting them. Similar to the disaccharides, each glycosidic bond can be formed between any hydroxyl group on the component monosaccharides. Even ...

derivatives, including asiaticoside, brahmoside, asiatic acid, and brahmic acid (madecassic acid). Other constituents include centellose, centelloside, and madecassoside. Approximately 124 chemical compounds have been isolated and identified from ''Centella asiatica''. Long term use on the skin can cause severe health problems including: skin irritation, intoxicated blood, red eyes and problems with the lymph nodes.

Uses

Culinary

Burmese cuisine Burmese cuisine encompasses the diverse regional culinary traditions of Myanmar, which have developed through longstanding agricultural practices, centuries of sociopolitical and economic change, and cross-cultural contact and trade with neighb ...

, raw pennywort is used as the main constituent in a

salad A salad is a dish consisting of mixed ingredients, frequently vegetables. They are typically served chilled or at room temperature, though some can be served warm. Condiments called '' salad dressings'', which exist in a variety of flavors, a ...

mixed with onions, crushed peanuts, bean powder and seasoned with lime juice and fish sauce. Centella is used as a leafy green in

Sri Lankan cuisine Sri Lankan cuisine is known for its particular combinations of herbs, spices, fish, vegetables, rices, and fruits. The cuisine is highly centered around many varieties of rice, as well as coconut which is a ubiquitous plant throughout the count ...

, being the predominantly locally available leafy green, where it is called or . It is most often prepared as , a traditional accompaniment to

rice Rice is a cereal grain and in its Domestication, domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species ''Oryza sativa'' (Asian rice)—or, much l ...

and vegetarian dishes, such as lentils, and

jackfruit The jackfruit or ''nangka'' (''Artocarpus heterophyllus'') is a species of tree in the Common fig, fig, mulberry, and breadfruit family (Moraceae). The jackfruit is the largest tree fruit, reaching as much as in weight, in length, and in d ...

pumpkin A pumpkin is a cultivar, cultivated winter squash in the genus ''Cucurbita''. The term is most commonly applied to round, orange-colored squash varieties, but does not possess a scientific definition. It may be used in reference to many dif ...

curry. It is considered nutritious. In addition to finely chopped plants, the may be eaten with grated

coconut The coconut tree (''Cocos nucifera'') is a member of the palm tree family (biology), family (Arecaceae) and the only living species of the genus ''Cocos''. The term "coconut" (or the archaic "cocoanut") can refer to the whole coconut palm, ...

, diced

shallots The shallot is a cultivar group of the onion. Until 2010, the (French red) shallot was classified as a separate species, ''Allium ascalonicum''. The taxon was synonymized with ''Allium cepa'' (the common onion) in 2010, as the difference was to ...

, lime (or

lemon The lemon (''Citrus'' × ''limon'') is a species of small evergreen tree in the ''Citrus'' genus of the flowering plant family Rutaceae. A true lemon is a hybrid of the citron and the bitter orange. Its origins are uncertain, but some ...

) juice, and sea salt. Additional ingredients are finely chopped green chilis,

chili powder Chili powder (also spelled chile, chilli, or, alternatively, powdered chili) is the dried, pulverized fruit of one or more varieties of chili pepper, sometimes with the addition of other spices (in which case it is also sometimes known as chili p ...

turmeric Turmeric (), or ''Curcuma longa'' (), is a flowering plant in the ginger family Zingiberaceae. It is a perennial, rhizomatous, herbaceous plant native to the Indian subcontinent and Southeast Asia that requires temperatures between and high ...

powder, or chopped

carrots The carrot (''Daucus carota'' subsp. ''sativus'') is a root vegetable, typically orange in colour, though heirloom variants including purple, black, red, white, and yellow cultivars exist, all of which are domesticated forms of the Daucus ...

. The ''Centella'' fruit-bearing structures are discarded from the due to their intense bitter taste. A variation of

porridge Porridge is a food made by heating, soaking or boiling ground, crushed or chopped starchy plants, typically grain, in milk or water. It is often cooked or served with added flavourings such as sugar, honey, fruit, or syrup to make a sweet cereal ...

known as kola kanda is also made with in Sri Lanka. or is made with well-boiled red rice with some extra liquid,

coconut milk Coconut milk is a plant milk extracted from the grated pulp of mature coconuts. The opacity and rich taste of the milky-white liquid are due to its high oil content, most of which is saturated fat. Coconut milk is a traditional food ingred ...

first extract, and

purée A purée (or mash) is cooked food, usually vegetables, fruits or legumes, that has been ground, pressed, blended or sieved to the consistency of a creamy paste or liquid. Purées of specific foods are often known by specific names, e.g., appl ...

. The porridge is accompanied with

jaggery Jaggery is a List of unrefined sweeteners, traditional non-centrifugal cane sugar consumed in the Indian subcontinent, Southeast Asia, North America, Central America, Brazil and Africa. It is a concentrated product of Sugarcane juice, cane jui ...

for sweetness. ''Centella'' leaves are also used in modern sweet pennywort drinks and herbal teas. In addition the leaves are served stir-fried whole in coconut oil, or cooked in coconut milk with garlic or . Nam bai bua bok

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

, the leaves are used for ''sambai oi peuga-ga'', an

Aceh Aceh ( , ; , Jawi script, Jawoë: ; Van Ophuijsen Spelling System, Old Spelling: ''Atjeh'') is the westernmost Provinces of Indonesia, province of Indonesia. It is located on the northern end of Sumatra island, with Banda Aceh being its capit ...

type of salad, and is also mixed into

asinan ''Asinan'' is a pickled (through brined or vinegared) vegetable or fruit dish, commonly found in Indonesia. ''Asin'', Indonesian for "salty", is the process of preserving the ingredients by soaking them in a solution of salty water. ''Asinan' ...

Bogor Bogor City (), or Bogor (, ), is a landlocked city in the West Java, Indonesia. Located around south of the national capital of Jakarta, Bogor is the 6th largest city in the Jakarta metropolitan area and the 14th overall nationwide.

. In

Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

and

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

, this leaf is used for preparing a drink or can be eaten in raw form in salads or cold rolls. In Bangkok, vendors in the Chatuchak Weekend Market sell it alongside coconut, roselle,

chrysanthemum Chrysanthemums ( ), sometimes called mums or chrysanths, are flowering plants in the Asteraceae family. They are native to East Asia and northeastern Europe. Most species originate from East Asia, and the center of diversity is in China. Co ...

, orange and other health drinks. In

Malay cuisine Malay cuisine (; Jawi script, Jawi: ) is the traditional food of the ethnic Malays of Southeast Asia, residing in modern-day Malaysia, Indonesia (parts of Sumatra and Kalimantan), Singapore, Brunei, Southern Thailand and the Philippines (most ...

it is known as pegaga, and the leaves of this plant are used for ulam, a type of vegetable salad. ''C. asiatica'' is widely used in various Indian regional cuisines. In Bangladesh and India (specifically in West Bengal), Centella is called Thankuni Pata and used in various dishes, one of the most appetising of which is the pakora-like snack called Thankuni Patar Bora; made of mashed ''Centella'',

lentil The lentil (''Vicia lens'' or ''Lens culinaris'') is an annual plant, annual legume grown for its Lens (geometry), lens-shaped edible seeds or ''pulses'', also called ''lentils''. It is about tall, and the seeds grow in Legume, pods, usually w ...

s, julienned onion and green chilli.

Traditional medicine

, ''C. asiatica'' has been used with the intent to treat various disorders, dermatological conditions, and minor wounds, although clinical efficacy and safety have not been proven in

clinical research Clinical research is a branch of medical research that involves people and aims to determine the effectiveness (efficacy) and safety of medications, devices, diagnostic products, and treatment regimens intended for improving human health. The ...

Contact dermatitis Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes ...

and skin irritation can result from

topical application A topical medication is a medication that is applied to a particular place on or in the body. Most often topical medication means application to body surfaces such as the skin or mucous membranes to treat ailments via a large range of classes ...

Drowsiness Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia). It has distinct meanings and causes. It can refer to the usual state preceding falling asleep ...

may occur after consuming it.

Potential for liver damage

A 2024 review indicated that consuming foods or

dietary supplement A dietary supplement is a manufactured product intended to supplement a person's diet by taking a pill (pharmacy), pill, capsule (pharmacy), capsule, tablet (pharmacy), tablet, powder, or liquid. A supplement can provide nutrients eithe ...

s containing ''Centella asiatica'' may cause

liver disease Liver disease, or hepatic disease, is any of many diseases of the liver. If long-lasting it is termed chronic liver disease. Although the diseases differ in detail, liver diseases often have features in common. Liver diseases File:Ground gla ...

. There have been

case report In medicine, a case report is a detailed report of the symptoms, signs, diagnosis, treatment, and follow-up of an individual patient. Case reports may contain a demographic profile of the patient, but usually describe an unusual or novel occurrenc ...

s of liver disease associated with use over multiple weeks.

Agricultural use

In the context of

phytoremediation Phytoremediation technologies use living plants to clean up soil, air and water contaminated with hazardous contaminants. It is defined as "the use of green plants and the associated microorganisms, along with proper soil amendments and agronom ...

, ''C. asiatica'' is a potential phytoextraction tool owing to its ability to take up and translocate metals from root to shoot when grown in soils contaminated by heavy metals.

Gallery

File:Centella asiatica - Flickr - Kevin Thiele.jpg, Emerging flowers File:Centella asiatica - Flickr - Kevin Thiele (1).jpg, Close-up of flower File:Centella asiatica in Karnataka.jpg, ''Centella asiatica'', India File:A patch of Centella Asiatica or pegaga in Malay..jpg, A patch of ''Centella asiatica'' or pegaga in Malay

References

External links

* {{Authority control Mackinlayoideae Edible Apiaceae Dietary supplements Flora of temperate Asia Flora of tropical Asia Plants used in traditional African medicine Plants used in traditional Chinese medicine Plants described in 1753 Taxa named by Carl Linnaeus