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Yellow Pitahaya, Pitava
Cactaceae
Hylocereus megalanthus



heidbenati
heidbenati
Flower Petal # 1
Main Color    
Color 2    
Type Categories Useful Parts

None

Cactaceae Family

Hylocereus Genus

Location

Colombia to Peru, Bolivia Ecuador and Venezuela. Riverine forests.

Physical Description
Hylocereus megalanthus is a cactus species native to northern South America, where it is known, along with its fruit, by the name of Pitahaya. The species is grown commercially for its fruit, but is also an impressive ornamental vine with perhaps the largest flowers of all cacti.

This species produces among of the largest flowers within the cactus family.

Stems may lie along the ground (procumbent), climb (scandent), or hang (pendent). Stems are often only 1.5 cm thick, producing areoal roots; 3 ribs; margins slightly undulating; white areoles; 1-3 spines 2-3 mm long, yellowish; several hairs on young growth, britle-like; green epidermis. Flowers are nocturnal and funnel-shaped, 32-38 cm long; pericarpel is ovoid or slightly globose, tubercles are large and flattened, with felt-like and spiny areoles subtended by small bracteoles; receptacle elongate; outer tepals long, green, triangular-acute; inner tepals 100 cm long, 3.5 cm wide, white, broader; stamens numerous inserted in two zones, yellow; style yellow, stigma lobes numerous, green. Fruit: ovoid, tuberculate, spiny, yellow (or sometimes red?), seeds black; interior edible, having a pleasant, mildly sweet flavor.

* Hylocereus megalanthus - floral tube or pericarpel 30-38 cm long with large flattened tubercles.
* Hylocereus setaceus - floral tube or pericarpel 19-22 cm with small tubercles.

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What's This?

Cactaceae
Caryophyllales
Caryophyllales
Core Eudicots
Core Eudicots
Main, Real, Two First-Leaves (Dicots)
Eudicots
Eudicots
Real, Two First-Leaves (Dicots)
Mesangiospermae
Mesangiospermae
Half Capsule Seed Division
Magnoliophyta
Magnoliophyta
Magnolia Division
Spermatophytes
Spermatophytes
Seed Plants
Euphyllophytina
Real Land Plants
Polysporangiates
Multiple Spore Sub-Kingdom
Stomatophytes
Stomatophytes
Air Pores Sub-Kingdom
Embryophytes
Embryophytes
Multicellular Land Plants
Streptobionta
Streptobionta
Multicellular Plants
Plantae
Plantae
Plants
Eukaryota
Eukaryota
Cells with a Nucleus


General Information

Closely related to Hylocereus setaceus but otherwice quite isolated within Hylocereus. Is intermediate between Selenicereus and Hylocereus. Recent research suggest that this species originated as a hybrid between species of Hylocereus and Selenicereus (see references). The two species possibly involved, as being native in the same area, are Hylocereus costaricensis and Selenicereus inermis.

An easily cultivated, fast growing plant. Needs a compost containing plenty of humus and sufficient moisture in summer. Should not be kept under 8ºC (46,5ºF) in winter. Can be grown in semi-shade, but best in full sunlight. Extra light in the early spring will stimulate budding. Flowers in June to October. This plant may grow to a very large size.





Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009



Yellow Pitahaya, Pitava
Yellow Pitahaya, Pitava - September 01, 2009

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