Agave macroacantha

Agave macroacantha
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Asparagaceae
Subfamily:	Agavoideae
Genus:	Agave
Species:	A. macroacantha
Binomial name
	Agave macroacantha; Zucc.
Synonyms[1][2]
	List of synonyms Agave flavescens var. macroacantha (Zuccarini) Jacobi 1864 ; Agave flavescens var. macroacantha (Herbert) Jacobi 1865 ; Agave pugioniformis Zucc. 1832 ; Agave flavescens Salm-Dyck 1834 ; Agave macracantha Herbert 1837 (nom. inval.) ; Agave besseriana Van Houtte 1868 ; Agave subfalcata Jacobi 1869 ; Agave macrantha Jacobi 1869 (nom. inval) ; Agave besseriana candida Jacobi 1870 (nom. inval) ; Agave besseriana longifolia glauca Jacobi 1870 (nom. inval) ; Agave besseriana longifolia viridis Jacobi 1870 (nom. inval) ; Agave besseriana hystix hort ex Hooker 1871 ; Agave linearis Jacobi 1871 ; Agave oligophylla Backer 1877 ; Agave sudburyensis Backer 1877 ; Agave paucifolia Backer 1878 (Nom. illeg.) ; Agave integrifolia Backer 1888 ; Agave macracantha var. integrifolia Trelease 1907 ; Agave macracantha var. planifolia A. Berger 1915 ; Agave pugioniformis Zucc. 1833 ;

Agave macroacantha, the black-spined agave or large-thorned agave, is a species of succulent flowering plant in the family Asparagaceae naturally occurring in Oaxaca and also near the town of Tehuacan in the State of Puebla, Mexico.[3]

Description

Agave macroacantha produces a medium-sized leaf rosette that can be basal or can grow on a very short stem. Leaves are succulent, greyish green and up to 1.8 feet long at a maximum, ending in sharp black spines that are up to 1.2 inches long at the tips. Flowers are small, grey and red, growing in bunches on sturdy stems of up to 3 m (10 feet) in height.[4]

Cultivation

The plant prefers a dry, sunny and hot location for summer and from early autumn onwards a cooler, well-lit space. It likes regular watering in summer and only minimum watering in winter, and will fare well in a large pot with sparse, gravelly soil.[5][1][6]

In the UK this plant has gained the Royal Horticultural Society’s Award of Garden Merit.[7]

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References

Cactus Art Nursery, Agave macroacantha viridis
The Plant List, Agave macroacantha
Zuccarini, Joseph Gerhard. Nova Acta Physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum Exhibentia Ephemerides sive Observationes Historias et Experimenta 16(2): 676. 1833.
Gentry, Howard Scott. Agaves of Continental North America. University of Arizona Press, Tucson, 1992.
San Marcos Growers, Agave macroacantha
Jurassic Garden.com: Agave macroacantha, image.
"RHS Plantfinder - Agave macroacantha". Royal Horticultural Society. 2017. Retrieved 5 January 2018.

The Complete Encyclopedia of Succulents by Zdenek Jezek and Libor Kunte

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[sdfkljsadfhso-1] Cactus Art Nursery, Agave macroacantha viridis

[2] The Plant List, Agave macroacantha

[3] Zuccarini, Joseph Gerhard. Nova Acta Physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum Exhibentia Ephemerides sive Observationes Historias et Experimenta 16(2): 676. 1833.

[4] Gentry, Howard Scott. Agaves of Continental North America. University of Arizona Press, Tucson, 1992.

[5] San Marcos Growers, Agave macroacantha

[6] Jurassic Garden.com: Agave macroacantha, image.

[7] "RHS Plantfinder - Agave macroacantha". Royal Horticultural Society. 2017. Retrieved 5 January 2018.