Passiflora edulis forma flavicarpa or Yellow Passion Fruit is a vigorous vine with beautiful flowers.
Rarely found in commerce in Europe because the fruits are more acidic than those of Passiflora edulis forma edulis.
As it is more resistant to the sick and soil insects, it is used in horticulture as rootstock for Passiflora edulis forma edulis.
Seeds can easily be collected from a store bought fruit but the offspring will be very different from the parents. The only way to maintain the characteristics of the parent plant, is to multiply by cuttings.
It is not hardy and must be treated as an orangery plant: grown potted and wintered indoors, protected from frost.
Passiflora edulis fo. flavicarpa is a vine with stems of more than 8 m long. The stems are green-brown, round and smooth. They cling with tendrils.
Leaves have serrated edges and are darker green than fo. edulis, lobed (often not lobed in young plants), shiny and 5-25 cm wide.
Flowers are 6-9 cm in diameter, larger than fo. edulis. Sepals are white, oblong, up to 3.3 cm long and 1 cm wide. The petals are white, oblong, up to 3 cm long and 0.8 cm wide. The crown consists of four or five black rows of filaments, dark purple at the base, tortuous and white at the end. Fo. flavicarpa is not self-pollinating, unlike fo. edulis.
Fruits are spherical to oblong, 5-12 cm in diameter and 4-8 cm wide, with a thick, tough, yellow skin. The numerous brown seeds measure 3-4 mm. Fruits has a more tangy flavor as fo. edulis.
- Fruits is used in drinks, sweets, sorbets and desserts.
- Plant is used as rootstock for fo. edulis.
Granadilla, Maracuja, Passion flower, Passion fruit, Yellow Granadilla
Passiflora edulis var. verrucifera, Passiflora verrucifera
Passiflora: from the Latin passio (Passion, suffering) and flos (flower)
Edulis: from the Latin edulis (edible)
Flavicarpa: from the Latin flavus (yellow, golden) and the Greek karpos (skin)
South America, southern Brazil to northern Argentina
Tropical and subtropical forest, moist but well drained.
Zone USDA 10-11
Accommodates a wide variety of soils
Keep always moist, even wet. It resists short periods of drought by dropping its leaves.
Prefers full sun but will tolerate partial shade
2-3 times a year
Use a relatively small pot: a large pot promotes growth at the expense of flowering. In a small pot, the plant feels threatened and will be pushed to bloom.
Wintering frost free, at least 13 °C. Can be brought outdoors above 15 °C.
- remove the seeds from the fruit
- remove vesicles by rubbing the seeds in a sieve or between two sheets of kitchen roll
- fresh seeds may be sown immediately in a pot with soil, purchased seed should be soaked in water for 1-2 days at 20-25 ° C
- moisten the soil
- place the pot in a plastic bag or propagator
- temperature: 20-25 ° C
- germination time: 2-3 weeks to months
- seeds lose their viability after about 1 year