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Useful Tropical Plants

Passiflora caerulea

L.

Passifloraceae

+ Synonyms

Common Name: Blue Passion Flower

Passiflora caerulea
Fruiting plant
Photograph by: Sl-Ziga
Public domain
Passiflora caerulea Passiflora caerulea Passiflora caerulea Passiflora caerulea Passiflora caerulea Passiflora caerulea

General Information

Blue passion flower is an evergreen climbing plant producing annual to perennial shoots from a perennial rootstock. These shoots scramble over the ground, or clamber into the surrounding vegetation, supporting themselves by means of coiling tendrils.
The edible fruit is gathered from the wild for local use, though it is not widely appreciated[
416
Title
Brazilian Fruits and Cultivated Exotics
Publication
 
Author
Lorenzi. H.; Bacher. L.; Lacerda. M.; Sartori. S.
Publisher
Instituto Plantarum De Estudos Da Flora LTDA; Brazil.
Year
2000
ISBN
85-867174-24-0
Description
A superb book, giving information on several hundred fruit species. Each entry has a brief description of the plant and its uses, accompanied by one to many excellent quality photographs of the fruits.
].

Known Hazards

None known

Botanical References

11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

Range

Southern S. America - Argentina, Paraguay, Uruguay, Brazil, Bolivia.

Habitat

Edges of secondary vegetation and forests[
416
Title
Brazilian Fruits and Cultivated Exotics
Publication
 
Author
Lorenzi. H.; Bacher. L.; Lacerda. M.; Sartori. S.
Publisher
Instituto Plantarum De Estudos Da Flora LTDA; Brazil.
Year
2000
ISBN
85-867174-24-0
Description
A superb book, giving information on several hundred fruit species. Each entry has a brief description of the plant and its uses, accompanied by one to many excellent quality photographs of the fruits.
].

Properties

Edibility Rating *  *
Other Uses Rating *  *
HabitEvergreen Climber
Height10.00 m
Growth RateFast
PollinatorsBees
Cultivation StatusWild

Cultivation Details

A plant of the subtropical to tropical zone, usually above about 500 metres in the tropics. Plants are hardy to about -15°c, if they are cut down to the ground by frost then they can usual regenerate from the base[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Requires a well-drained soil with plenty of moisture in the growing season, otherwise it is not fussy[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Dislikes highly alkaline soils[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
]. Passiflora species tend to flower and fruit more freely when grown in soils of only moderate fertility[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
A very fast growing plant[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
]. Roots of outdoor grown plants should be restricted to encourage fruiting[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
Plants can flower and fruit in their first year from seed[
88
Title
The Garden. Volume 112.
Publication
 
Author
RHS.
Publisher
Royal Horticultural Society
Year
1987
ISBN
-
Description
Snippets of information from the magazine of the RHS. In particular, there are articles on plants that are resistant to honey fungus, oriental vegetables, Cimicifuga spp, Passiflora species and Cucurbits.
].
The plant has a very long flowering period, from early summer to early autumn, though individual flowers only live for about 48 hours[
245
Title
Scented Flora of the World.
Publication
 
Author
Genders. R.
Publisher
Robert Hale. London.
Year
1994
ISBN
0-7090-5440-8
Description
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
]. The flowers are open all night and start to close in the morning[
260
Title
Conservatory and Indoor Plants Volumes 1 & 2
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Pan Books, London.
Year
1998
ISBN
0-330-37376-5
Description
Excellent photos of over 1,100 species and cultivars with habits and cultivation details plus a few plant uses. Many species are too tender for outdoors in Britain though there are many that can be grown outside.
]. The flowers are delicately scented[
245
Title
Scented Flora of the World.
Publication
 
Author
Genders. R.
Publisher
Robert Hale. London.
Year
1994
ISBN
0-7090-5440-8
Description
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
]. The cultivar 'Constance Elliot' is more fragrant[
245
Title
Scented Flora of the World.
Publication
 
Author
Genders. R.
Publisher
Robert Hale. London.
Year
1994
ISBN
0-7090-5440-8
Description
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
].
If fruit is required, especially when the plant is grown indoors, it is best to hand pollinate using pollen from a flower that has been open for 12 hours to pollinate a newly opened flower before midday[
88
Title
The Garden. Volume 112.
Publication
 
Author
RHS.
Publisher
Royal Horticultural Society
Year
1987
ISBN
-
Description
Snippets of information from the magazine of the RHS. In particular, there are articles on plants that are resistant to honey fungus, oriental vegetables, Cimicifuga spp, Passiflora species and Cucurbits.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. The flowers open in sunny weather and do not open on dull cloudy days[
219
Title
Gardening on Walls
Publication
 
Author
Grey-Wilson. C. & Matthews. V.
Publisher
Collins
Year
1983
ISBN
0-00-219220-0
Description
A nice little book about plants for growing against walls and a small section on plants that can grow in walls.
].
Plants are very tolerant of pruning and can be cut back to ground level if required to rejuvenate the plant[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
]. Any pruning is best carried out in the spring[
219
Title
Gardening on Walls
Publication
 
Author
Grey-Wilson. C. & Matthews. V.
Publisher
Collins
Year
1983
ISBN
0-00-219220-0
Description
A nice little book about plants for growing against walls and a small section on plants that can grow in walls.
].
Plants in this genus are notably resistant to honey fungus[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

Fruit - raw or cooked[
2
Title
Sturtevant's Edible Plants of the World.
Publication
 
Author
Hedrick. U. P.
Publisher
Dover Publications
Year
1972
ISBN
0-486-20459-6
Description
Lots of entries, quite a lot of information in most entries and references.
,
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
,
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
]. The unripe fruits are cooked[
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
], whilst the ripe fruits are eaten raw or made into a refreshing drink[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. The flavour is not very desirable[
3
Title
Growing Unusual Fruit.
Publication
 
Author
Simmons. A. E.
Publisher
David & Charles; Newton Abbot.
Year
1972
ISBN
0-7153-5531-7
Description
A very readable book with information on about 100 species that can be grown in Britain (some in greenhouses) and details on how to grow and use them.
]. The fruit is about 6cm long and 4cm wide, it is partly hollow and contains a small amount of pleasant acid-tasting pulp surrounding a large quantity of seeds[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

The flowers can be made into a syrup[
301
Title
Cornucopia II
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications, California.
Year
1998
ISBN
0-9628087-2-5
Description
The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].

Medicinal

None known

Other Uses

This plant can be used as a rootstock for some of the less hardy members of this genus, conferring on them an additional cold tolerance. Be careful that root suckers do not take over from the grafted plant[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Propagation

Pre-soak the seed for 12 hours in warm water and then sow in containers. The seed germinates in 1 - 12 months at 20°c. Prick out the seedlings into individual pots when they are large enough to handle, and plant out into permanent positions when large enough.
Cuttings of young shoots, 15cm with a heel[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
Leaf bud cuttings.
Cuttings of fully mature wood. Takes 3 months. High percentage[
3
Title
Growing Unusual Fruit.
Publication
 
Author
Simmons. A. E.
Publisher
David & Charles; Newton Abbot.
Year
1972
ISBN
0-7153-5531-7
Description
A very readable book with information on about 100 species that can be grown in Britain (some in greenhouses) and details on how to grow and use them.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-04-18. <tropical.theferns.info/viewtropical.php?id=Passiflora+caerulea>

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