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Setiechinopsis mirabilis CACTUS ART
NURSERY

Cultivation and Mail Sale
of Cacti and Succulents.

 


Setiechinopsis mirabilis
This tiny plant seems much underrated in cultivation, perhaps because it so easy to grow, notwithstanding this, it is one of the most fascinating and showy species!

 

This species is self-fertile and produces a fruit full of seed per each flower. The fruit dehisce  by a longitudinal fissure, and the seeds are also easy to germinate an grow.
 

Flowers are of a superlative beauty, opening in the moonlight on a summer night and lasting for only till dawn, but a number are produced in succession.

 


It is more related to the Cereus group of plants than to Echinopsis which its name appears to relate it to.


This is a spectacular little plant which though
short lived always sets plenty of seed.


Propagation:
They grow trivially easily from their freely produced seed and will bloom their second year. It is self-fertile, hundreds of seeds are produced in every dry fruit whether it has been pollinated or not.


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Family: Cactaceae (Cactus Family)

Scientific name:  Setiechinopsis mirabilis (Spegazzini) De Haas (1940)

Origin:  Eastern Argentina ( Santiago del Estero, San Juan, La Rioja,
Mendoza, Colonia Ceres)

Habitat: They grows often under shrubs in flat prairies up to the base of mountains, Altitude 500 - 1000 m

NOTE: It is a short-lived monospecific cactus that is more related to the Cereus group of plants than to Echinopsis which its name appears to relate it to.

Common English Names include: Flower of prayer. (Spanish = Flor de adoration)

Conservation status: Listed in CITES appendix 2.

Etymology: The genus name derives from Latin "seta" = bristle-hair, Greek "echinos" = hedgehog and "opsis" = similar to.

Synonyms:

  • Setiechinopsis mirabilis
  • Echinopsis mirabilis
  • Arthrocereus mirabilis

Description: Setiechinopsis mirabilis  is a very small cactus (usually) solitary. The plants are easily grown from seed and providing good cultural conditions they may begin to flower in their second year.
Stem: Dark brown, cylindrical which seldom grows taller than 15 cm, 2.5 cm in diameter.
The plants seem to die long before this, and are best replaced with fresh seed-raised ones.
Flowers Last for only one night, but a number are produced in succession.
Blooming season: Summer, the blooms open at sun set and last only a few hours.
The spicy exotic perfume and long, narrow flower tube suggest that the natural pollinator must be a long-tongued moth.
Fruit: Drying at matutrity an opening laterally by a longitudinal fissures, with numerous seed.
 

 



Flowers white nocturnal narrow , up 12 cm, pungently fragrant that open after dark on a summer night and close before daybreak.
 


This is the only species of Setiechinopsis known

Cultivation: This cactus is cultivated for its flowers and  is among the easiest species to grow, flower and propagate. Indicated for full sun or half shade exposure, water regularly from march to October, rot prone in winter, needs good drainage, It needs to be kept in a cool place during winter rest (can briefly tolerate temp. as low as -4C) Stems may possibly become purple and limp in winter but revitalize in early spring. Occasionally the plants reach some 15cm tall, but this seems rare. The plants seem to die long before this, and are best replaced with fresh seed-raised ones.

Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

Photo gallery SETIECHINOPSIS

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.