Try for Free
tab list
PictureThis
English
arrow
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
PictureThis
Search
Search Plants
Try for Free
Global
English
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
This page looks better in the app
picturethis icon
Instantly identify plants with a snap
Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.
Download the App for Free
Continue Reading
Blue passionflower

How to identify Blue passionflower (Passiflora caerulea)

Blue passionflower, also known as Blue passionfruit, Southern beauty, Jesus flower

Blue passionflower is distinguished by its climbing habit, reaching heights of 10 to over 40 feet (3 to over 12 meters). The plant features striking blue and white flowers, notable for their blue filaments. These blooms give way to orange fruits that add to its ornamental appeal. As a perennial, blue passionflower possesses a robust growth, characteristic of the Passifloraceae family to which it belongs.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Vine, Herb

Leaf Type

Leaf Type: Deciduous

Quickly Identify Blue passionflower

1

Climbing habit, reaching heights of 10 to over 40 feet (3 to over 12 meters)

2

Striking blue and white flowers with blue filaments and orange fruits

3

Saucer-shaped flowers, 2.5 to 3 inches (6.4 to 7.6 cm) wide

4

Distinctive egg-shaped fruit, transitioning from green to yellow or deep orange

5

Palmately lobed leaves, 4 to 6 inches (10 to 15 cm) wide with twining tendrils

Blue passionflowerBlue passionflowerBlue passionflowerBlue passionflowerBlue passionflower

Detailed Traits of Blue passionflower

Leaf Features

Blue passionflower leaves are shiny, hairless, green, and arranged alternately. They are simple in type with smooth margins, measuring 4 to 6 inches (10 to 15 cm) wide. The leaves are palmately lobed, typically featuring 5 oblong lobes, though some may have 3, 7, or 9 lobes. A twining tendril, approximately 2 to 4 inches (5 to 10 cm) long, emerges from the base of each leaf, aiding in plant support and climbing.

Leaf Arrangement

Alternate

Leaf Margin

Entire

Learn About the Leaf Glossary
Group
Flower Features

The flowers of blue passionflower bloom on long stalks and are solitary, sometimes fragrant, measuring 2.5 to 3 inches (6.4 to 7.6 cm) wide. They are saucer-shaped with 10 rounded tepals, white to whitish-pink on the inner side and greenish on the outer side. A circle of blue filaments accentuates the center, transitioning from blue to white to dark purple-black at the base. The flower also features three purple styles and five greenish-yellow stamens. They bloom from early summer to early fall.

Blue passionflower Flower image
Learn About the Flower Glossary
Group
Stem Features

The stems of blue passionflower are green and brown, hairless, and feature coiling green tendrils. They exhibit a smooth texture with a robust structure and are generally slender, measuring approximately 0.1 to 0.2 inches (2.5 to 5 mm) in diameter. The stems often have a climbing habit, using their tendrils to anchor and support themselves onto surrounding structures. Their branching pattern is irregular, with nodes where tendrils emerge, indicative of their adaptability in various growing conditions.

Blue passionflower Stem image
Learn About the Stem Glossary
Group
Fruit Features

The fruit of blue passionflower is a distinctive egg-shaped pod, measuring about 2.5 × 1.5 inches (6.4 × 3.8 cm). When mature, they transition from green to a striking yellow or deep orange. On opening the rather hollow interior, one discovers a scant volume of deep red pulp cradling numerous seeds. These seeds, each about 4mm long, display a silvery brown hue. Ripe in late summer to fall, the fruits' taste is notably bland despite their vibrant appearance.

Blue passionflower Fruit imageBlue passionflower Fruit imageBlue passionflower Fruit image
Learn About the Fruit Glossary
Group
Icon code

Scan QR code to download

More Plants You May Like and How to Identify Them
Img topic
Cape jasmine

Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.

Img topic
Golden pothos

The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.

Img topic
Tomato

Solanum lycopersicum is an annual or perennial herbaceous vine native to Central and South America that produces a large, juicy, edible fruit known as tomato. Today there are over 10000 cultivated varieties. Although tomato is the world’s most popular vegetable, botanically it is a fruit.

Img topic
Pepper

The pepper are commonly used for cooking in places such as the Southern U.S. and Central America. Most are moderately spicy, though because there are so many variants, the spice level can vary dramatically. Cayenne powder is also a popular seasoning product made from pepper plants.

Img topic
Swiss cheese plant

The swiss cheese plant (Monstera deliciosa) produces bright, glossy leaves and makes a popular houseplant. It is originally native to tropical forest regions in Central America. The nickname swiss cheese plant refers to the small holes that develop in the plant's leaves. The long fruits resemble corncobs and smell sweet and fragrant when ripe.

Img topic
Bigleaf hydrangea

The bigleaf hydrangea is a deciduous shrub native to Japan, and is known for its lush, oval, colorful inflorescence. The two types of Hydrangea macrophylla are mopheads - with large, ball-shaped, sterile flower clusters, and lace capes - with small round fertile flowers in the center, and sterile flowers on the outer side of each inflorescence. Depending on soil pH, blooms can change color from pink to blue.

Blue passionflower and Their Similar Plants

Img topic
Common passionfruit vs. Blue passionflower: What's The Difference?
Common passionfruit (Passiflora edulis) is a vine species that produce fruit and is native to Brazil and Paraguay. It is useful for its edible fruit, which is sweet and eaten raw or juiced. Its flowers are showy too.
Read More
Arrow
Img topic
Maypop vs. Blue passionflower: What's The Difference?
Maypop (Passiflora incarnata) is a perennial vine that grows quickly and is native to the southern United States. It can be used commercially as a flavoring agent, and the fruit has traditionally been used in making sweet items, such as juices, pies, and desserts. Maypop is highly flammable, so it should not be planted near the house in areas prone to wildfires.
Read More
Arrow
Img topic
Yellow passionflower vs. Blue passionflower: What's The Difference?
Yellow passionflower is a hardy vine that grows naturally in forests, thickets, and woodlands. It produces fragrant flowers that attract birds and bees. This plant is great to grow in butterfly gardens as it attracts varieties such as Zebra Longwings and the gulf fritillary.
Read More
Arrow
Img topic
Sweet granadilla vs. Blue passionflower: What's The Difference?
The hard-shelled, orange fruits of sweet granadilla are widely regarded as one of the best tasting of the passionfruit family. Originally from South America, sweet granadilla is a subtropical vine that grows fast and can become invasive if not policed. Its flowers are beloved by pollinators, but humans and pets should restrict themselves to eating only the ripe fruit, as all other parts of the plant are toxic to mammals.
Read More
Arrow
Img topic
Perfumed passionflower 'Scarlet Flame' vs. Blue passionflower: What's The Difference?
The perfumed passionflower 'Scarlet Flame' has flowers that are more striking than the paler orange-red flowers of the parent perfumed passionflower. The cultivar has tremendous garden appeal for its huge and spectacular scarlet flowers, so it was named Perfumed passionflower 'Scarlet Flame'. The perfumed passionflower 'Scarlet Flame' also attracts butterflies and hummingbirds.
Read More
Arrow
Identify Blue passionflower easily and quickly
We're also capable of identifying over 12,000 types of plants, flowers, succulents, and trees in your surroundings.
Identify a Plant Online

Key Facts About Blue passionflower

Attributes of Blue passionflower
Lifespan
Perennial
Plant Type
Vine, Herb
Plant Height
3 m to 9 m
Spread
4 m
Leaf Color
Green
Flower Size
6 cm to 10 cm
Flower Color
White
Blue
Purple
Green
Pink
Violet
Fruit Color
Orange
Stem Color
Green
White
Purple
Brown
Blue
Orange
Leaf type
Deciduous
Identify plants with a snap
Instantly identify plants with AI: Snap a photo, and get accurate results within seconds.
Download the App for Free

Scientific Classification of Blue passionflower

Species
Blue passionflower (Passiflora caerulea)
Learn More About the Blue passionflower

Distribution Map of Blue passionflower

Blue passionflower is only native to South America. Its distribution is diverse but localized, with the main areas being Australia and the southernmost areas of South Africa. In some of these areas, particularly Australia, it's considered invasive because of its rapid spreading habit, stifling local vegetation. It grows naturally on river banks and forest edges.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
close
close
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
ad
Botanist in your pocket
qrcode
PictureThis Ios DownloadPictureThis Android Download
Scan the QR code with your phone camera to download the app