''Neptunia oleracea'', commonly known in English as water mimosa or sensitive neptunia, is

pantropical A pantropical ("all tropics") distribution is one which covers tropical regions of both hemispheres. Examples of species include caecilians, modern sirenians and the plant genera ''Acacia'' and '' Bacopa''. ''Neotropical'' is a zoogeographic te ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widel ...

legume A legume () is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. When used as a dry grain, the seed is also called a pulse. Legumes are grown agriculturally, primarily for human consumption, for livestock for ...

Genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

and common name come from Neptune, god of the sea, in reference to the aquatic habit of some species in the genus. Its

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bo ...

''oleracea'' means "vegetable/herbal" in Latin and is a form of ().

Description

Aerenchyma (white spongy air-conducting tissue that gives stems

buoyancy Buoyancy (), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the ...

) forms on stems floating in water, but does not form on stems growing on land. Plants typically grow to as much as 6" tall, but stems will spread in the water to 3-5' long. Stems are clad with bi-pinnate, fine, mimosa-like sensitive leaves that close up when touched. Primary leaf segments have 8-40 small oblong leaflets arranged in opposite pairs. Tiny greenish-yellow flowers are densely crowded into feathery

orbicular Orbicular is an adjective meaning "circular" Orbicular may also refer to: * Orbicular leaf, a plant leaf shape * Orbicularis oculi muscle, a muscle around the eye * Orbicularis oris muscle, a muscle around the mouth * Orbicular batfish, a spec ...

inflorescences An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...

that bloom in summer. Fruits are flat pods (to 1-2" long). Floating

aquatic plant Aquatic plants are plants that have adapted to living in aquatic environments ( saltwater or freshwater). They are also referred to as hydrophytes or macrophytes to distinguish them from algae and other microphytes. A macrophyte is a plant that ...

stems often form thick

foliage A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, ...

mats and is considered to be an invasive

aquatic weed Aquatic plant management involves the science and methodologies used to control invasive and non-invasive aquatic plant species in waterways. Methods used include spraying herbicide, biological controls, mechanical removal as well as habitat modific ...

in some

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

waters where large mats may form that choke waterways, resulting in restricted water flow, reduced water quality, reduced fish activity and loss of some underwater and native

wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (Anoxic waters, anoxic) processes prevailing, especially in t ...

plants.

Habitat

Primarily found growing prostrate in wet soils near the water's edge or floating on the water in relatively still-water areas. The native habitat of ''Neptunia oleracea'' is unknown, but some experts believe it is in the area of

Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...

to northern

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sou ...

Uses

Culinary

This plant is cultivated as a vegetable in southeast

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...

(leaves and shoots have cabbage-like flavor). Young ends of stems and pods are edible and usually eaten raw as a vegetable in

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist s ...

and

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...

and cultivated much like rice. The young leaves, shoot tips and young pods are usually eaten raw or in

stir-fries Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and ...

and curries such as '' kaeng som''. Yam phak krachet.jpg, ''Yam phak krachet'', a

Thai salad Salads that are internationally known as Thai salads with a few exceptions fall into four main preparation methods. In Thai cuisine these are called ''yam, tam, lap'' and ''phla''. A few other dishes can also be regarded as being a salad. Overv ...

made with cooked water mimosa Lao green papaya salad.jpg, Lao-style

green papaya salad Green papaya salad ( km, បុកល្ហុង, lo, ຕຳຫມາກຫຸ່ງ and th, ส้มตำ) is a spicy salad made from shredded unripe papaya. It was possibly created by the Lao people but is eaten throughout Continental ...

(left) served with raw sprigs of water mimosa (right)

Medicinal

Juice of the stem and roots are used for medicinal purposes. Whole plant extract exhibited cytotoxic activity on neoplastic cell lines. Extract of the herb exhibited hepatoprotective activity.

Common names

* Khmer: ''Kanchait'' () * Meiteilon/Manipuri: ''Eshing ekai thabi'' * Thai: ''Phak runon'' () or ''phak krachet'' (), pronounced "phak kachēt". * Vietnamese: ''Rau nhút'' * Sinhalese: *

Tamil language Tamil (; ' , ) is a Dravidian language natively spoken by the Tamil people of South Asia. Tamil is an official language of the Indian state of Tamil Nadu, the sovereign nations of Sri Lanka and Singapore, and the Indian territory o ...

: ''Cuṇṭi'' or ''nīrc-cuṇṭi'', referring to its sensitivity to touch (''cuṇṭu'': to tap with thumb or finger)''Dravidian Etymological Dictionary'', 2663 *

Mon Mon, MON or Mon. may refer to: Places * Mon State, a subdivision of Myanmar * Mon, India, a town in Nagaland * Mon district, Nagaland * Mon, Raebareli, a village in Uttar Pradesh, India * Mon, Switzerland, a village in the Canton of Grisons * A ...

: ''Khamək'' (ခမက်)

References

External links

*
The Vegetable Sector in Thailand
Asian vegetables oleracea Edible legumes Pantropical flora {{Mimosoideae-stub