"Bell apple"@en . . "Passiflora nitida (bell apple) is a tasty, but relatively unknown passion fruit. It is similar to P. laurifolia, with orange-yellow fruits that have a sweet, succulent pulp. It is a fast-growing tropical vine. Its flowers are blue and red, a bit like P. laurifolia and P. quadrangularis. The fruits grow up to 4 centimetres (1.6 in). The exact hardiness in unknown, but it is tropical and should be protected from prolonged temperatures below 50\u201355 \u00B0F (10\u201313 \u00B0C). It is not frost hardy."@en . . . . . . . . . .