''Evolvulus alsinoides'', commonly known as dwarf morning-glory and slender dwarf morning-glory, is flowering plant from the family

Convolvulaceae Convolvulaceae (), commonly called the bindweed, bindweeds or morning glory, morning glories, is a Family (biology), family of about 60 genera and more than 1,650 species. These species are primarily herbaceous vines, but also include trees, sh ...

. In Indian ayurveda, it is commonly known as Visnukranta or Shankhavel. It has a natural pantropical distribution encompassing tropical and warm-temperate regions of Australasia, Indomalaya, Polynesia, Sub-Saharan Africa and the Americas. It was first described in 1753 by

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

as ''Convolvulus alsinoides''. In 1762, he transferred it to the new genus, ''Evolvulus''.

Description

It 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 ...

plant, annual or perennial with numerous

prostrate Prostrate may refer to:- *Prostration, a position of submission in religion etc. *Prone position, a face-down orientation of the body *Prostrate shrub A prostrate shrub is a woody plant, most of the branches of which lie upon or just above the ...

or ascending stems, slender, with appressed and spreading hairs. The leaves, petiolate or subsessile, are 0.7 to 2.5 cm long and 5 to 10 mm long. The flowers are isolated or grouped in pauciflorous

cymes In botany, an inflorescence is a group or cluster of flowers arranged on a plant's stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a main axis ( ped ...

, borne by filiform peduncles, 2.5 to 3.5 cm long. The

calyx CALYX, Inc. is a non-profit publisher of art and literature by women founded in 1976 based in Corvallis, Oregon. CALYX publishes both '' CALYX, A Journal of Art and Literature by Women'' twice a year and CALYX Books, which publishes one to three ...

is formed by villous, lanceolate sepals 3 to 4 mm long. The rounded corolla, with pentameric symmetry, blue in color, rarely white, is 7 to 10 mm in diameter. The

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s, with filiform filaments, are united at the base of the corolla tube. The

ovary The ovary () is a gonad in the female reproductive system that produces ova; when released, an ovum travels through the fallopian tube/ oviduct into the uterus. There is an ovary on the left and the right side of the body. The ovaries are end ...

, glabrous, is surmounted by two free styles. The fruit is a globular capsule, with four valves, generally containing four seeds that are black and smooth.

Habitat

The species inhabits a wide range of habitats, from marshland and wet forests to deserts. A number of varieties and subspecies are recognised. It may become a weed in some situations. It is one of the plants included in

Dasapushpam ''Dasapushpam'' ("''dasha''" meaning ten in Sanskrit and "''pushpam''" meaning flowers), or the ten sacred flowers of Kerala, are ten herbs traditionally significant to Keralites, the people of Kerala, India. These herbs are found almost everywh ...

, the ten sacred flowers of

Kerala Kerala ( , ) is a States and union territories of India, state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile ...

Chemistry

This herb 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 ...

of East Asia for its purported

psychotropic A psychoactive drug, psychopharmaceutical, mind-altering drug, consciousness-altering drug, psychoactive substance, or psychotropic substance is a chemical substance that alters psychological functioning by modulating central nervous system acti ...

and

nootropic Nootropics ( or ) (colloquially brain supplements, smart drugs, cognitive enhancers, memory enhancers, or brain boosters) are chemical substances which purportedly improve cognitive functions, such as attention, memory, wakefulness, and self ...

properties. although such claims are not medically verified. Chemical compounds isolated from ''E. alsinoides'' include

scopoletin Scopoletin is a coumarin found in the root of plants in the genus '' Scopolia'' such as ''Scopolia carniolica'' and '' Scopolia japonica'', in chicory, in '' Artemisia scoparia'', in the roots and leaves of stinging nettle (''Urtica dioica''), in t ...

umbelliferone Umbelliferone, also known as 7-hydroxycoumarin, hydrangine, skimmetine, and ''beta''-umbelliferone, is a natural product of the coumarin family. It absorbs ultraviolet light strongly at several wavelengths. There are some indications that this c ...

scopolin Scopolin is a glucoside of scopoletin formed by the action of the enzyme scopoletin glucosyltransferase. It occurs in Chamaemelum nobile ''Chamaemelum nobile'', commonly known as chamomile (also spelled camomile), is a low perennial plant fo ...

and 2-methyl-1,2,3,4-butanetetrol.

References

External links

* {{Taxonbar, from=Q10927597 alsinoides Medicinal plants of Asia Flora of Australia Taxa named by Carl Linnaeus Groundcovers