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Dragon fruit sold in a market in Chiayi, Taiwan. A pitaya (/ p ɪ ˈ t aɪ. ə /) or pitahaya (/ ˌ p ɪ t ə ˈ h aɪ. ə /) is the fruit of several cactus species indigenous to the region of southern Mexico and along the Pacific coasts of Guatemala, Costa Rica, and El Salvador.
Selenicereus monacanthus, formerly Hylocereus monacanthus. Hylocereus is a former genus of epiphytic cacti, often referred to as night-blooming cactus (though the term is also used for many other cacti).
Dragonfruit stems are scandent (climbing habit), creeping, sprawling or clambering, and branch profusely. There can be four to seven of them, between 5 and 10 m (16 and 33 ft)or longer, with joints from 30 to 120 cm (12 to 47 in) or longer, and 10 to 12 cm (3.9 to 4.7 in) thick; with generally three ribs; margins are corneous (horn-like) with age, and undulate.
Flowers ca. 22 cm long, 21 cm wide, base with small, narrow, widely spaced scales, sometimes spiny. Fruit red. May be a synonym of Selenicereus triangularis: the Caribbean. [29] Selenicereus undatus (Haw.) D.R.Hunt: Stems green, margins undulate and horny. Flowers 25–30 cm long, white with green outer tepals and bracts. Fruit red with white pulp.
The species is grown commercially for its yellow fruit, but is also an impressive ornamental climbing vine with perhaps the largest flowers of all cacti. The yellow skinned fruit of S. megalanthus has thorns, unlike the green, red or yellow skinned dragon fruits of S. undatus, S. monacanthus and their cultivated hybrids.
The plant Weber described had a triangular stem-like Cereus trigonus, but was "distinguished by its more glaucous stem and especially by its fruit, just as big but more spherical, less scaly, and filled with a crimson pulp of a very delicate taste." [4] It was said to be highly sought after in Costa Rica for its fruit, known as pitahaya. [5]
The definition of fruit for this list is a culinary fruit, defined as "Any edible and palatable part of a plant that resembles fruit, even if it does not develop from a floral ovary; also used in a technically imprecise sense for some sweet or semi-sweet vegetables, some of which may resemble a true fruit or are used in cookery as if they were ...
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