Portulaca grandiflora
Hook.
Portulacaceae
Portulaca caryophylloides E.Vilm.
Portulaca hilaireana G.Don
Portulaca immersostellulata Poelln.
Portulaca megalantha Steud.
Portulaca mendocinensis Gillies ex Hook.
Portulaca mendocinensis Gillies ex Rohrb.
Portulaca multistaminata Poelln.
Portulaca pilosa cisplatina D.Legrand
Portulaca pilosa grandiflora (Hook.) R.Geesink
Portulaca pilosa grandiflora (Hook.) Kuntze
Portulaca pilosa osteniana D.Legrand
Common Name: Rose Moss
The wide range of colours
Photograph by: douneika
General Information
Portulaca grandiflora is an annual plant growing about 20cm tall.
The plant is sometimes harvested from the wild for its edible seeds and leaves, which are consumed locally. It is widely cultivated as an ornamental plant in tropical to warm temperate zones[
302- Title
- Tropical Ornamentals; A Guide
- Publication
-
- Author
- Whistler. W. Arthur.
- Publisher
- Timber Press Inc. Oregon.
- Year
- 2000
- ISBN
- 0-88192-448-2
- Description
- An excellent little guide to some of the more commonly cultivated ornamental plants of the Tropics, often giving some information on the plants other uses.
].
Known Hazards
None known
Botanical References
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
S. America - Brazil. Occasionally established in S. and S.C. Europe.
Habitat
Roadsides and waste places in Europe[
50- Title
- Flora Europaea
- Publication
-
- Author
- ?
- Publisher
- Cambridge University Press
- Year
- 1964
- ISBN
- -
- Description
- An immense work in 6 volumes (including the index). The standard reference flora for Europe, it is very terse though and with very little extra information. Not for the casual reader.
].
Properties
| Edibility Rating |  |
| Medicinal Rating |  |
| Habit | Annual |
| Height | 0.20 m |
| Pollinators | Insects, Self |
| Self-fertile | Yes |
| Cultivation Status | Ornamental, Wild |
Cultivation Details
Although a perennial when grown in warmer climates, the plant is best treated as a half-hardy annual in temperate regions[
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 are adaptable to most soils, though they prefer a rather dry poor soil in full sun[
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.
,
302- Title
- Tropical Ornamentals; A Guide
- Publication
-
- Author
- Whistler. W. Arthur.
- Publisher
- Timber Press Inc. Oregon.
- Year
- 2000
- ISBN
- 0-88192-448-2
- Description
- An excellent little guide to some of the more commonly cultivated ornamental plants of the Tropics, often giving some information on the plants other uses.
]. Succeeds in a hot dry position, and dislikes wet soils[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Plants are drought tolerant[
302- Title
- Tropical Ornamentals; A Guide
- Publication
-
- Author
- Whistler. W. Arthur.
- Publisher
- Timber Press Inc. Oregon.
- Year
- 2000
- ISBN
- 0-88192-448-2
- Description
- An excellent little guide to some of the more commonly cultivated ornamental plants of the Tropics, often giving some information on the plants other uses.
].
There are some named forms selected for their ornamental value[
188- Title
- The RHS Gardener's Encyclopedia of Plants and Flowers
- Publication
-
- Author
- Brickell. C.
- Publisher
- Dorling Kindersley Publishers Ltd.
- Year
- 1990
- ISBN
- 0-86318-386-7
- Description
- Excellent range of photographs, some cultivation details but very little information on plant uses.
].
Individual flowers open in the morning and only last for one day[
302- Title
- Tropical Ornamentals; A Guide
- Publication
-
- Author
- Whistler. W. Arthur.
- Publisher
- Timber Press Inc. Oregon.
- Year
- 2000
- ISBN
- 0-88192-448-2
- Description
- An excellent little guide to some of the more commonly cultivated ornamental plants of the Tropics, often giving some information on the plants other uses.
].
Edible Uses
Leaves - raw or cooked[
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.
,
161- Title
- Food Plants of the N. American Indians. Publication no. 237.
- Publication
-
- Author
- Yanovsky. E.
- Publisher
- U.S. Depf of Agriculture.
- Year
-
- ISBN
- -
- Description
- A comprehensive but very terse guide. Not for the casual reader.
,
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.
].
Seed - raw or cooked. It can be ground into a powder and used in soups etc, or can be added to cereals[
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.
,
161- Title
- Food Plants of the N. American Indians. Publication no. 237.
- Publication
-
- Author
- Yanovsky. E.
- Publisher
- U.S. Depf of Agriculture.
- Year
-
- ISBN
- -
- Description
- A comprehensive but very terse guide. Not for the casual reader.
,
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.
]. The seed is very small and fiddly to utilize.
Root - 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.
].
Medicinal
The entire plant is depurative[
176- Title
- Handbook of Chinese Herbs and Formulas.
- Publication
-
- Author
- Yeung. Him-Che.
- Publisher
- Institute of Chinese Medicine, Los Angeles
- Year
- 1985
- ISBN
- -
- Description
- An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
]. It is used in the treatment of hepatitis, cirrhosis of the liver with ascites, swelling and pain in the pharynx[
176- Title
- Handbook of Chinese Herbs and Formulas.
- Publication
-
- Author
- Yeung. Him-Che.
- Publisher
- Institute of Chinese Medicine, Los Angeles
- Year
- 1985
- ISBN
- -
- Description
- An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
]. The fresh juice of the leaves and stems is applied externally as a lotion to snake and insect bites, burns, scalds and eczema[
176- Title
- Handbook of Chinese Herbs and Formulas.
- Publication
-
- Author
- Yeung. Him-Che.
- Publisher
- Institute of Chinese Medicine, Los Angeles
- Year
- 1985
- ISBN
- -
- Description
- An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
,
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
Other Uses
None known
Propagation
Seed - sow early spring in a greenhouse, pricking out the seedlings into individual pots when they are large enough to handle. Plant out after the last expected frosts.
The seed can also be sown in situ in late spring, though the plants will not grow so large this way.
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.
Useful Tropical Plants Database 2014 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
