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Useful Tropical Plants

Agave andreae

Sahagún & A.Vázquez

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

Common Name: Maguey de Piedra

No Image.

General Information

Agave andreae is an evergreen, stemless, succulent plant forming a rosette of leaves that can be 80 - 230cm tall and 150 - 360cm in diameter. Mature plants can produce around 20 - 40 spiny leaves that can each be 90 - 150cm long and 12 - 14cm wide near the base. After several years of growth, a flowering stem that can be around 5 - 7.3 metres tall is produced, after which the rosette will die[
1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
]. The plant occasionally produces suckers and these 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
 
].
The plant is harvested from the wild for local use as a medicine. It is worthy of cultivation as an ornamental because of its very robust habit and spectacular inflorescence with brilliant orange-yellow flowers[
1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
].
Agave andreae has a very restricted population size, and although it is not known to be declining, the continued presence of activities linked to illegal production and trafficking of substances in the region is a concern for the future of the species. The plant is classified as 'Vulnerable' in the IUCN Red List of Threatened Species(2013)[
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

Many Agave species have strong, sharp spines on the leaves and leaf tips.
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

1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
,
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

Southern N. America - western Mexico (Michoacán)

Habitat

Limestone outcrops in tropical dry forest; at elevations from 1,230 - 1,700 metres[
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.
,
1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
].

Properties

Conservation StatusVulnerable
Medicinal Rating *  *
HabitEvergreen Perennial
Height2.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details

Agave andraea is a plant of the semi-arid tropics of western Mexico. It grows in a region where the mean annual temperature is 20 - 24°c, and the mean annual rainfall is 1,000 - 1,200mm[
1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
].
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 extended periods 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, occasionally produces a number of new rosettes from suckers or offsets during its lifespan and these new plants will continue to grow after the death of the parent plant.
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

None known

Medicinal

This species of agave is used medicinally in the region[
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.
].
The plant is antiinflammatory and is traditionally used to treat internal contusions[
1843
Title
Four New Species of Agave (Agavaceae) of the Marmoratae Group
Publication
Systematic Botany (2013), 38(2): pp. 1-12
Author
Vázquez-García J.A. et al
Publisher
 
Year
2013
ISBN
 
Description
 
]

Other Uses

None known

Propagation

Seed - surface sow in a container in a light position. 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 until they are at least 10cm tall before planting out.
Offsets and suckers can be potted up at any time they are available.
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: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2023-02-05. <tropical.theferns.info/viewtropical.php?id=Agave+andreae>

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