Passiflora miniata

Passiflora miniata

Passiflora miniata or Red Passionflower has the deepest red flowers of the genus Passiflora.

It is a fast growing vine that flowers all year round but especially during the summer.

Not hardy so must be grown in pots and wintered indoors in frost zones or grown as a houseplant. It is particularly suited to cover a pergola or trellis.

It was long confused with Passiflora coccinea and even cultivated under that name at Kew’s. It was only in 2006 that John Vanderplank classified it as a separate species. The difference is that P. miniata has 3 series of corona filaments, the outer serie being purple and the inner white, while P. coccinea has 2 series of white or pale pink filaments.

Description:

Passiflora miniata is a fast growing vine that clings with tendrils and grows up to 3-6 meters high. The stems are red to purple.

Leaves are ovate-oblong, 6-14 cm long and 3-7 cm wide, sub-cordate, shallowly serrated at the edge, green, glaucous or sparsely hairy above, rust-colored tomentose underneath.

The flower stalk is up to 8 cm long; bracts are oval and tough. Flowers are scarlet or red, bisexual, 5 sepals, 5 petals, recurved, with a central, short straight corona with 3 rows of filaments, the outer row is purple in color while the inner rows are white. There are 5 reddish stamens, fused into a tube around the ovary, with 5 linear, yellow green, oblong anthers.

The fruit is subglobose or ovoid, approximately 5 cm in diameter, orange or yellow with green spots. The seeds are surrounded by an edible aril.

Usage:

  • ornamental
  • covering of pergola, trellis…
  • fruit can be eaten fresh or drunk as juice
  • rootstock for other Passiflora species

Nomenclature:

Common names:

Monkey-Guzzle, Passionflower, red granadilla, red Passion flower, red Passion vine, scarlet Passion flower, scarlet Passion vine

Etymology:

Passiflora: from the Latin passio (Passion) and flos (flower)
Miniata: from the Latin miniatus (the color of red lead)

Origin:

Amazon region of Peru, Brazil, Colombia and Bolivia

Habitat:

Tropical Amazonian lowlands



Hardiness:

USDA zone 10-12

Care:

Soil:

Rich in humus and well drained

Light:

Sun, light. Blooms better with more light.

Water:

Keep the substrate moist, daily watering during the growth period

Fertilizer:

Provide abundant fertilizer: every 2 weeks during the growing season

Pruning:

May be pruned in spring to shape and limit its size.

Pruning also promotes flowering because the flowers appear on new growth.

Pot:

Do not repot too often and do not use too large pots: Passiflora blooms usually better when it is in a narrow pot.

Propagation:

Seed, cutting

Cutting instructions:

  • proceed in spring or summer
  • take cuttings from the top of the stems and make sure there is a knot with older wood present
  • dip in cutting hormone (optional)
  • put in light potting soil and moisten
  • wrap the pot in a plastic bag to limit evaporation

Sowing instructions:

  • soak seeds 24 h in warm water
  • plant in moist potting soil at 0.5 cm depth
  • place the pot in a plastic bag to keep humidity
  • 20-24 °C

 

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