Glyceria fluitans
(L.)R.Br.
Poaceae
The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Floating Manna Grass
General Information
Glyceria fluitans is a perennial plant that can grow up to 0.45 metres tall.
It is harvested from the wild for local use as a food and source of materials.
Known Hazards
None known
Botanical References
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
Range
Europe, including Britain, temperate Asia the Caucasus and N. America.
Habitat
Shallow water, either stagnant or slow flowing, or in wet soils whether acid or calcareous[
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
].
Properties
| Edibility Rating |  |
| Habit | Perennial |
| Height | 0.45 m |
| Pollinators | Wind |
| Cultivation Status | Wild |
Cultivation Details
Succeeds in most soils, so long as they are wet, and in shallow water[
115- Title
- The Useful Plants of Great Britain.
- Publication
-
- Author
- Johnson. C. P.
- Publisher
-
- Year
-
- ISBN
-
- Description
- Written about a hundred years ago, but still a very good guide to the useful plants of Britain.
]. Dislikes shade.
This plant is occasionally cultivated for its edible seed[
115- Title
- The Useful Plants of Great Britain.
- Publication
-
- Author
- Johnson. C. P.
- Publisher
-
- Year
-
- ISBN
-
- Description
- Written about a hundred years ago, but still a very good guide to the useful plants of Britain.
], it is not very large and is somewhat fiddly to harvest but is considered to be an epicure's food[
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.
].
Edible Uses
Seed - raw or cooked[
43- Title
- Gray's Manual of Botany.Eighth Edition
- Publication
-
- Author
- Fernald. M. L.
- Publisher
- American Book Co.; New York
- Year
- 1950
- ISBN
- 0442222505
- Description
- A bit dated but a good and concise flora of the eastern part of N. America.
,
57- Title
- Plants for Man.
- Publication
-
- Author
- Schery. R. W.
- Publisher
-
- Year
-
- ISBN
-
- Description
- Fairly readable but not very comprehensive. Deals with plants from around the world.
,
100- Title
- Flowers of Europe - A Field Guide.
- Publication
-
- Author
- Polunin. O.
- Publisher
- Oxford University Press
- Year
- 1969
- ISBN
- 0192176218
- Description
- An excellent and well illustrated pocket guide for those with very large pockets. Also gives some details on plant uses.
]. A sweetish taste, the seed was considered a delicacy in some parts of Europe and was an article of commerce until well into the 20th century[
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.
]. A flour from the seed is said to make a bread little inferior to wheat bread, the flour can also be used as a thickener in soups etc when it imparts a sweet delicate flavour[
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.
]. Unfortunately, the seed is very small and therefore the plant is relatively unproductive[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Medicinal
None known
Other Uses
The leaves have been burnt as an incense[
257- Title
- Native American Ethnobotany
- Publication
-
- Author
- Moerman. D.
- Publisher
- Timber Press. Oregon.
- Year
- 1998
- ISBN
- 0-88192-453-9
- Description
- Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].
Propagation
Seed - sow spring in a greenhouse in a pot standing in 3 - 5cm of water. Surface sow the seed, or only just cover it. Germination should take place within 3 weeks. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer.
If you have sufficient seed then it can be sown outdoors in situ in mid to late spring.
Division in spring. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.
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Useful Temperate Plants Database 2016 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
