selenicereus megalanthus

Amarilla (sometimes called Kirin) is a cultivated selection with bright yellow skin and juicy white flesh, bred for consistent size and sweetness, smoother than standard. Amarilla is a Spanish common name literally meaning "yellow pitahaya". It is sweet, aromatic, less tang than red/white types. Smallest dragon fruit, late to ripen, fewer but very sweet fruit. All yellow types are smaller in size than red or white dragon fruits, but they consistently win for flavor - crisp, honey-sweet, and aromatic.
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Pitaya page
What to do with a Dragon fruit?

Colombiana (also referred to as Yellow Dragon) is a notable cultivar of S. megalanthus, prized for its intensely sweet flavor (Brix=21) and spiny yellow skin. Distinctive small oblong shape. Improved selection with consistent size and sweetness, improved yellow-skinned strain, sometimes overlapping with Palora. Extra sweet, juicy, tropical, often rated best flavor.
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Pitaya page
What to do with a Dragon fruit?

Golden Dragon is a cultivated selection with bright yellow skin and juicy white flesh, sweet, aromatic, less tang than red/white types. Selected for uniform size and sweetness. All yellow types are smaller in size than red or white dragon fruits, but they consistently win for flavor - crisp, honey-sweet, and aromatic.
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Pitaya page
What to do with a Dragon fruit?

Palora is Ecuadorian selection, considered the premium yellow, the most wanted variety. The pulp is smooth, intensely sweet, pineapple-honey flavor. Originates from Bolivia, Equador, Peru and Columbia. It's greatly known for it's sweet tasting fruit and exceptional flavor. Knobbed, yellow fruit sharing some similarities with the Hylocereus dragon fruit. Taste is said to be superior to most cactus fruits. The fruits are smaller than the red and white dragon fruit, and contain prominent spikes until ripening time, upon which the spikes drop off.
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Pitaya page
What to do with a Dragon fruit?