Passiflora alata

• P. alata – quite like P. quadrangularis but smaller flowers. A very variable species.
• 2-4 petiole glands per stem. Stipules 1-2cm long by 0.3-1cm wide. Single lobed ovate leaves
• Flowers 10-12cm wide with neat corona filaments. Sepals and petals red inside & green out.
• Fruit ovoid, 10-15cm long by 5-10cm wide, bright orange or yellow when ripe.
• Image © 2010 Stephen Gray More images

Passiflora x decaisneana

• (P. alata x P. quadrangularis) often mislabelled and sold as P. quadrangularis. There are a number of clones of this cross.
• 4 glands on 90% of the stems. Stipules 15mm long by 6mm wide. Large ovate leaves.
• Heavy flowers 10-13cm, corona filaments a bit scruffy at the end compared with alata. Sepals and petals red inside & sepals green out & petals red out.
• Fruit egg shaped up to 18cm long, dull orange when ripe.
• Image © 2012 Martine Sanchez

Passiflora phoenicea

• A great selection by Patrick Worley, P. phoenicea ‘Ruby Glow’ is widely available in cultivation. Often incorrectly known as P. alata ‘Ruby Glow’.
• 2 bright yellow petiole glands near the leaf make ID easy. Stipules 10-12mm long by 3-4mm wide. Large ovate leaves.
• Flowers 11-13cm. Petals brick red outside & rich purple inside. Neat corona filaments. Sepals shorter than petals.
• Fruit large ovate, up to 13cm long & 8cm diameter, yellow when ripe.
• Image © 2012 João Franco

Passiflora quadrangularis

• P. quadrangularis A huge vine.
• 6 glands on 90% of the leaf stems. Stipules 2-3.5cm long by 1-2cm wide.
• Large ovate leaves. Flowers 8-12cm. Very scruffy corona filaments, sepals a little paler than petals inside.
• Fruit quadrangular (four sided), 20-30 cm long by 10-20 cm wide, pale yellow-green when ripe.
• Image © 2012 Marcel Böhrer Stuttgart Botanical Gardens