Passiflora macrophylla or big leafed Passiflora is a remarkable Passiflora with huge leaves of 1 m long.
It is the Passiflora with the largest leaves.
It is also one of only 3 Passiflora species that grows as a tree and not a climber, with Passiflora arborea and Passiflora lindeniana.
The leaves fall between growth spurts making the plant look dead.
It needs a lot of heat and is really only suitable for the garden in the tropics. Elsewhere, it must be grown in a heated greenhouse.
Passiflora macrophylla is a small tree of 3-6 m high.
The stem is round, woody and rarely branched. Leaves appear at the end of the branches.
The stipules are setaceous and normally soon deciduous. The petiole is 3.5-7 cm long, without glands. The leaf blade is unlobed, with smooth margin, oblong or oblong-oval, 23-95 cm long and 10-38 cm wide, pointed at the top and rounded to heart-shaped at the base.
The peduncle has 1-3 branches. The inflorescence is 8-25 cm long and bears 2-12 flowers.
The flower is white, 6-7 cm in diameter, the sepals are white on the inside, greenish white on the outside, oblong-lanceolate, 3.5-4 cm long and 0.6-1 cm wide. The petals are white, 3.3-3.9 cm long and 0.6-1 cm wide. The corona has 2-3 sets of filaments. The outer series is 1.6-2.2 cm long, thread-like and white at the base and yellow. The inner series is 0.1-0.3 cm in length.
The fruit is spherical, 3.1-4 x 2-4 cm, glabrous. The seeds are obovate, 0.4-0.5 x 0.2-0.3 cm, reticulate.
Passiflora: from the Latin passio (Passion) and flos (flower)
Macrophylla: from the Greek makrós (big, tall) and phúllon (leaf)
Moist to wet lowlands
Not known, probably USDA zone 10-11
Tolerates a wide variety of soils
Keep substrate moist at all times
Sun, partial shade
Weekly liquid universal fertilizer during growth
Needs tropical temperatures all year, can be cultivated in the garden only in the tropics, needs a heated greenhouse elsewhere
Propagation by cuttings is very difficult, it is best sown.
- use preferably fresh seeds
- scarify the seeds with sandpaper or sand
- soak the seeds in water at room temperature for 24h
- plant in potting soil, a 1 cm depth
- provide soil heating and switch the heating off at night so that the temperature fluctuates
- keep the substrate moist
- do not discard the seeds if they have not germinated after a few months, it can take more than 6 months