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Leuchtenbergia Hooker (1848)

named after Maximilian J. A. N. Leuchtenberg (1817–1852)
son of Prince Eugène de Beauharnais, Duke of Leuchtenberg, married with the Tzar daugther Maria Nikolajewna,
statesman and high military in St. Petersburg, and plant enthusiast

three edged tubercles grow oblique upwards out of a beet root, to circa 4.3 in (11 cm) long, on the tip with flexible bast like bristles,
blue green, in age branching at the base and forms multi-headed clusters
flowers appear at the center, on the youngest tubercles, large yellow, flower tube with dense reddish scales
fruits spindle shaped, dry; seeds quite large, with a tough seedcoat, dark brown

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Distribution

Central and North Mexico - Coahuila, Zacatecas, Guanajuato, San Luis Potosi, Hidalgo, Tamaulipas, Nuevo León
between the Chihuahuan Desert vegetation on limestone soil
warme arid areas

Growth period

keep the plants in full sun exposure and heat
in spring only sparsely watering
in summer frequent watering, though a constant moisture is to prevent
in July and August during budding the plants requires the most water
keep the root neck constantly dry
a growth in deep pots is recommended because of the big taproots

Winter period

light and absolute dry at 50–59 F (10–15°C)

Substrat

minerally and permeable for water with addition of loam
   
Leuchtenbergia principis Hooker (1848)
 
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Habitat

Mexiko
Coahuila, Zacatecas, Guanajuato, San Luis Potosi, Hidalgo, Tamaulipas, Nuevo León
between the Chihuahuan Desert vegetation on limestone soil
Sierra de Paila to 5900 ft (1800 m) altitude

Description

Leuchtenbergia of the duke
similar to Agave, turnip like with long at the top somewhat pruned tubercles
areoles densely gray felted
spines thin like paper, with rising age get longer, circa 2 in (5 cm) long
1–2 central spines, occasionally to 3.9 in (10 cm) long

buds at the youngest and growing tubercles, grow together with the tubercle
flowers to 3 in (8 cm) long, wide opened, funnel shaped, yellow with silky shine
sepals green with reddish center
seeds quite large, globular, dark brown

Synonyms

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CITES

Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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