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Useful Temperate Plants

Agave parryi

Engelm.

Asparagaceae


The genus Agave is treated here in a wide sense to include taxa previously treated as belonging to the genera Manfreda, Prochnyanthes, Polianthes and Pseudobravoa. Not all botanists are happy with this treatment, with some feeling that these genera should remain distinct, at least until further studies have been carried out. In addition, given the high species diversity found in Agave, some feel that an alternative approach could be the recognition of several smaller genera within the current circumscription of Agave[
1855
Title
Two new species of Manfreda Salisb. (Agavaceae) from the Yucatán Peninsula, Mexico
Publication
Journal of the Torrey Botanical Society 135(2), 2008, pp. 168-177
Author
Hernández-Sandoval L., Orellana R. & Carnevali G.
Website
http://dx.doi.org/10.3159/08-RA-023.1
Publisher
 
Year
2008
ISBN
 
Description
 
].

+ Synonyms

Agave americana latifolia Torr.

Agave applanata huachucensis (Baker) Mulford

Agave applanata parryi (Engelm.) Mulford

Agave chihuahuana Trel.

Agave couesii Engelm. ex Trel.

Agave huachucensis Baker

Agave leopoldii Rafarin

Agave neomexicana Wooton & Standl.

Agave parryi neomexicana (Wooton & Standl.) McKechnie

Agave patonii Trel.

Common Name: Century Plant

Agave parryi
Cultivated plants of the var truncata in the Jardin d'Oiseaux Tropicaux, Provence-Alpes-Côte d'Azur, France
Photograph by: Matthieu Sontag
GNU Free Documentation License
Agave parryi Agave parryi Agave parryi Agave parryi

General Information

Agave parryi is an evergreen, stemless, succulent plant forming a compact rosette of leaves that can be 15 - 75cm tall and 25 - 85cm in diameter. Around 90 - 160 leaves are produced on mature plants, each of which can be 10 - 65cm long and 5 - 20cm wide at the widest point. After several years of growth, a flowering stem that can be around 4 - 6 metres tall is produced, after which the rosette will die. However, the plant usually produces a number of young plants around its base that will develop as new plants[
1844
Title
Agave Agavaceae
Publication
Illustrated Handbook of Succulent Plants: Monocotyledons, pp 21-311
Author
Thiede J.
Website
https://doi.org/10.1007/978-3-662-56486-8_111
Publisher
Springer Nature
Year
2020
ISBN
 
Description
 
].
This species has a wide range of uses, supplying food, medicine and a variety of products for local use. It was much used by the native north Americans, though is probably little used nowadays. The plant is often grown as an ornamental, especially in xeriscape gardens.
Agave parryi has a large distribution, numerous large stable subpopulations and occurs in protected areas. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2020)[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Known Hazards

The plants have a very sharp and tough spine at the tip of each leaf. They need to be carefully sited in the garden.
In theory at least, the flowers, nectar, immature flowering stem and the centre of the rosette of all Agave species is edible and, with proper preparation, can provide a sweet, tasty foodstuff. Some species, however, contain relatively high levels of saponins (which makes them taste bitter) and some other compounds which can cause bellyache, and so these would only be eaten in times of desperation. In addition, many people may find these foods to be strongly laxative the first few times they eat them[
1846
Title
The Agaves of Baja California
Publication
Occasional Papers of the California Academy of Sciences, No. 130,
Author
Gentry H.S.
Publisher
California Academy of Sciences; San Francisco
Year
1978
ISBN
0068-5461
Description
 
].

Botanical References

270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
,
1844
Title
Agave Agavaceae
Publication
Illustrated Handbook of Succulent Plants: Monocotyledons, pp 21-311
Author
Thiede J.
Website
https://doi.org/10.1007/978-3-662-56486-8_111
Publisher
Springer Nature
Year
2020
ISBN
 
Description
 

Range

South-western N. America - Arizona, New Mexico, Texas, northern and western Mexico.

Habitat

Gravelly to rocky places in grasslands, desert scrub, chaparral, pinyon-juniper, and oak woodlands, at elevations from 1,200 - 2,800 metres[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].

Properties

Conservation StatusLeast Concern
Edibility Rating *  *  *
Medicinal Rating *  *
Other Uses Rating *  *  *
HabitEvergreen Perennial
Height0.50 m
Growth RateSlow
PollinatorsMoths, Bats
Cultivation StatusOrnamental, Wild

Cultivation Details

This species is probably the most cold-hardy member of the genus, it survives outdoors grown against a warm wall at Kew Gardens in England (zone 7)[
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.
]. In the wild, plants often experience snow during the winter with temperatures as low as -18°c for short periods[
181
Title
Meet Flora Mexicana.
Publication
 
Author
Pesman. M. W.
Publisher
Dale S. King. Arizona.
Year
1962
ISBN
-
Description
Very readable flora but rather lacking botanically. A few notes on useful plants.
]. The snow will blanket the plant and help to insulate it from the worst of the cold[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Agave species generally require a sunny position, succeeding in most soils of medium-fertility so long as they are very well-drained. Most species are undemanding as to the soil pH, though those found in the wild on limestone soils will grow better in neutral to alkaline conditions. Plants are generally very tolerant of dry conditions and of drought[
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.
].
Most Agave species are monocarpic, individual rosettes living for a number of years without flowering before sending up an often very large flowering stem and then dying after flowering and setting seed. This species, however, usually suckers freely to produce a number of new rosettes, and these new plants will continue to grow after the death of the parent plant[
1844
Title
Agave Agavaceae
Publication
Illustrated Handbook of Succulent Plants: Monocotyledons, pp 21-311
Author
Thiede J.
Website
https://doi.org/10.1007/978-3-662-56486-8_111
Publisher
Springer Nature
Year
2020
ISBN
 
Description
 
].
Individual plants take about 7 - 15 years in their native habitat, considerably longer in colder climates, before flowering[
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.
].
Members of this genus are rarely if ever troubled by browsing deer[
233
Title
Perennial Garden Plants
Publication
 
Author
Thomas. G. S.
Publisher
J. M. Dent & Sons, London.
Year
1990
ISBN
0 460 86048 8
Description
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
].

Edible Uses

The heart of the plant is very rich in saccharine matter and can be eaten when baked[
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.
,
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.
]. Sweet and nutritious, but rather fibrous[
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
]. It is partly below ground[
85
Title
Edible Native Plants of the Rocky Mountains.
Publication
 
Author
Harrington. H. D.
Publisher
University of New Mexico Press
Year
1967
ISBN
0-8623-0343-9
Description
A superb book. Very readable, it gives the results of the authors experiments with native edible plants.
].

Seed - ground into a flour and used as a thickener in soups or used with cereal flours when making bread[
92
Title
Early Uses of Californian Plants.
Publication
 
Author
Balls. E. K.
Publisher
University of California Press
Year
1975
ISBN
0-520-00072-2
Description
A nice readable book.
].

Young flower stalk - raw or cooked[
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.
]. It was generally roasted[
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.
,
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.
].

Tender young leaves - roasted[
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.
].

Sap from the cut flowering stems is used as a syrup[
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 sap can also be tapped by boring a hole into the middle of the plant at the base of the flowering stem[
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
]. It can be fermented into 'Mescal', a very potent alcoholic drink[
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
].
Nectar from the flowering stems is made into a sweet syrup[
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.
].

Medicinal

The sap is antiseptic, diuretic and laxative[
21
Title
The Herb Book.
Publication
 
Author
Lust. J.
Publisher
Bantam books
Year
1983
ISBN
0-553-23827-2
Description
Lots of information tightly crammed into a fairly small book.
].

Other Uses

The leaves contain saponins and an extract of them can be used as a soap[
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.
]. It is best obtained by chopping up the leaves and then simmering them in water - do not boil for too long or this will start to break down the saponins[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

A very strong fibre obtained from the leaves is used for making rope, coarse fabrics etc[
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.
,
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
92
Title
Early Uses of Californian Plants.
Publication
 
Author
Balls. E. K.
Publisher
University of California Press
Year
1975
ISBN
0-520-00072-2
Description
A nice readable book.
]. A paper can also be made from the fibre in the leaves[
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.
].

The thorns on the leaves are used as pins and needles[
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.
].

The dried flowering stems are used as a waterproof thatch[
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.
] and as a razor strop[
89
Title
Flowers of the Mediterranean.
Publication
 
Author
Polunin. O. and Huxley. A.
Publisher
Hogarth Press
Year
1987
ISBN
0-7012-0784-1
Description
A very readable pocket flora that is well illustrated. Gives some information on plant uses.
].

Propagation

Seed - surface sow in a light position, mid spring in a warm greenhouse. The seed usually germinates in 1 - 3 months at 15 - 20°c[
133
Title
Growing from Seed. Volume 1.
Publication
 
Author
Rice. G. (Editor)
Publisher
Thompson and Morgan.
Year
1987
ISBN
-
Description
Very readable magazine with lots of information on propagation.
,
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.
]. Prick out the seedlings into individual pots of well-drained soil when they are large enough to handle and grow them on in a sunny position in the greenhouse until they are at least 15cm tall. Plant out at the beginning of the growing season, and give some protection from the cold for at least their first few winters[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Offsets and suckers can be potted up at any time they are available. Keep in a warm greenhouse until they are well established[
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.
].
Bulbils, where produced, are an easy method of propagation. Simply pot them up and plant out at the beginning of a growing season when they are 10cm or more tall.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2023-02-03. <temperate.theferns.info/plant/Agave+parryi>

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