"Mexican Morning Glory" redirects here. This can also refer to the red-flowered I. coccinea

Ipomoea coccinea

Ipomea coccinea is a flowering plant in the family Convolvulaceae known by several common names including Red Morning Glory, Redstar and Mexican Morning Glory.It was first described by Linnaeus in 1753.- References :...

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Ipomoea tricolor is a species of morning glory

Ipomoea

Ipomoea is the largest genus in the flowering plant family Convolvulaceae, with over 500 species. Most of these are called "morning glories", but this can refer to related genera also. Those formerly separated in Calonyction are called "moonflowers"...

 native to the New World

New World

The New World is one of the names used for the Western Hemisphere, specifically America and sometimes Oceania . The term originated in the late 15th century, when America had been recently discovered by European explorers, expanding the geographical horizon of the people of the European middle...

 tropics

Tropics

The tropics is a region of the Earth surrounding the Equator. It is limited in latitude by the Tropic of Cancer in the northern hemisphere at approximately  N and the Tropic of Capricorn in the southern hemisphere at  S; these latitudes correspond to the axial tilt of the Earth...

, and widely cultivated and naturalised

Naturalisation (biology)

In biology, naturalisation is any process by which a non-native organism spreads into the wild and its reproduction is sufficient to maintain its population. Such populations are said to be naturalised....

 elsewhere. It is a herbaceous annual

Annual plant

An annual plant is a plant that usually germinates, flowers, and dies in a year or season. True annuals will only live longer than a year if they are prevented from setting seed...

 or perennial

Perennial plant

A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennials. The term is sometimes misused by commercial gardeners or horticulturalists to describe only herbaceous perennials...

 twining liana

Liana

A liana is any of various long-stemmed, woody vines that are rooted in the soil at ground level and use trees, as well as other means of vertical support, to climb up to the canopy to get access to well-lit areas of the forest. Lianas are especially characteristic of tropical moist deciduous...

 growing to 2-4 m tall. The leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are spirally arranged, 3-7 cm long with a 1.5-6 cm long petiole. The flower

Flower

A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s are trumpet-shaped, 4-9 cm diameter, most commonly blue with a white to golden yellow centre.
In cultivation, the species is very commonly grown mis-named as Ipomoea violacea

Ipomoea violacea

Ipomoea violacea is a perennial species of Ipomoea that occurs throughout the tropics, growing in coastal regions. It is most commonly called 'Beach Moonflower' or 'Sea Moonflower' as the flowers open at night...

, actually a different though related species.
Numerous cultivar

Cultivar

A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

s of I.