Passiflora caerulea
Encyclopedia
Passiflora caerulea, commonly known as the Blue Passion Flower or the Common Passion Flower, is a vine
Vine
A vine in the narrowest sense is the grapevine , but more generally it can refer to any plant with a growth habit of trailing or scandent, that is to say climbing, stems or runners...

 native to South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

 (Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, Paraguay
Paraguay
Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

 (where it is widely known as the Mburucuyá in Guaraní
Guaraní language
Guaraní, specifically the primary variety known as Paraguayan Guaraní , is an indigenous language of South America that belongs to the Tupí–Guaraní subfamily of the Tupian languages. It is one of the official languages of Paraguay , where it is spoken by the majority of the population, and half of...

) , Uruguay
Uruguay
Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...

 and Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

). These names may also be applied to Passiflora edulis
Passiflora edulis
Passiflora edulis is a vine species of passion flower that is native to Paraguay, Brazil and northern Argentina . Its common names include passion fruit and passionfruit...

sometimes known as the passionfruit.

It is popular with gardeners because of its intricate, scented 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 that have an almost plastic-looking appearance.

Description

A woody vine capable of growing to 15–20 m high where supporting tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

s are available. 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 alternate, palmately five-lobed like a spread hand
Hand
A hand is a prehensile, multi-fingered extremity located at the end of an arm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs...

 (sometimes three or seven lobes), 10–18 cm long and wide. The base of each leaf has a flagellate-twining tendril 5–10 cm long, which twines around supporting vegetation to hold the plant up.

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...

 is complex, about 10 cm in diameter, with the five sepals and petals similar in appearance, whitish in colour, surmounted by a corona of blue or violet filaments, then five greenish-yellow stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...

s and three purple stigmas. The fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

 is an oval orange-yellow berry
Berry
The botanical definition of a berry is a fleshy fruit produced from a single ovary. Grapes are an example. The berry is the most common type of fleshy fruit in which the entire ovary wall ripens into an edible pericarp. They may have one or more carpels with a thin covering and fleshy interiors....

 6 cm long by 4 cm in diameter, containing numerous seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s; it is eaten, and the seeds spread by mammal
Mammal
Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...

s and bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s. In tropical climates, it will flower all year round.

Cultivars

A number of 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 have been produced from the species.
  • 'Chinensis' . Corona filaments paler blue.
  • 'Constance Elliott' . Was raised by Kucombe and Prince in Exeter, Great Britain. It has pure white, fragrant flowers; not as free-flowering as many other clones
    Cloning
    Cloning in biology is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects or plants reproduce asexually. Cloning in biotechnology refers to processes used to create copies of DNA fragments , cells , or...

    .
  • 'Grandiflora' . Flowers to 20 cm in diameter.
  • 'Hartwiesiana' . Flowers white.
  • 'Regnellii' . Has very long corona filaments.


The species has been used in numerous hybrids.

Cultivation and uses

Passiflora caerulea is cultivated worldwide. Even though the fruit is edible, it is rather insipid when eaten raw. It can substitute for blackberries. More palatable is the fruit of the Passiflora edulis
Passiflora edulis
Passiflora edulis is a vine species of passion flower that is native to Paraguay, Brazil and northern Argentina . Its common names include passion fruit and passionfruit...

, which is sweet and acidic. A tea
Tea
Tea is an aromatic beverage prepared by adding cured leaves of the Camellia sinensis plant to hot water. The term also refers to the plant itself. After water, tea is the most widely consumed beverage in the world...

 can be made of the flower and is said to alleviate stress and anxiety
Anxiety
Anxiety is a psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components. The root meaning of the word anxiety is 'to vex or trouble'; in either presence or absence of psychological stress, anxiety can create feelings of fear, worry, uneasiness,...

. However, cyanogenic glycoside (breaks down into cyanide) has been found in the leaves. It is possible to boil away most of the cyanide..

In South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

, it is used to make juice and delicious desserts such as the passion fruit mousse
Mousse
Mousse is derived from the French word mousse which means "lather" or "foam". A mousse is a prepared food that incorporates air bubbles to give it a light and airy texture...

.

External links

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