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  Coryphantha laui
(Syn: Coryphantha pseudoechinus vr. laui)
CACTUSPEDIA       

 


Coryphantha laui LAU1244ASierra de la Paila, Coahuila, Mexico 1600-2200m
The flowers last briefly, they are fully expanded at high noon (if in brilliant sunlight), and wilt after only an hour or two.  They bloom from April through August.
 

Description: This variety is very similar to the type species, with the exception of yellow flowers and slightly different skin and spination colour.
Flowers: Pale yellow.
 

Cultivation: In cultivation it is quite sensitive to over-watering (rot prone), and needs good drainage.  Keep drier in winter.  Like other species from the USA. it blooms quite early, but needs about 8-10 years to reach the typical, definite outlook.  It needs full sun; and is hardy to -16° C or less for short periods of time

Propagation: Offsets (seldom available) or by seeds.

 

Photo of conspecific taxa, varieties, forms and cultivars of plants belonging to the Coryphantha pseudoechinus complex (This Taxon has lots of synonyms ( like many other cacti) whit several controversial varieties and subspecies and comprises a multitude of different forms, but where each form is linked to others by populations of plants with intermediate characteristics):


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

Photo gallery coryphantha 

 

Family: Cactaceae (Cactus Family)

Scientific name: Coryphantha laui Bremer, L.
I
n: Cact. Succ. J. US (Los Angeles) 51: 278. 1979  (Basionym)

Nowadays regarded as:  Coryphantha pseudoechinus subsp. laui (Bremer) Dicht & A. Luthy comb.et stat.nov.
In: Cact. Syst. Init. 1 1: 20, 2001.

Type:
Bremer 476-3, Herbarium Arizona State Univ., Tempe AZ.

Origin: Mexico (Coahuila, Sierra de la Paila, 1600-2200 m. )

Conservation status: Listed in CITES appendix 2.

Common Names include: Sea-urchin cactus, rhinoceros cactus, Prickly Beehive Cactus

Etymology: Named after Alfred B. Lau - explorer and expert of Mexican cacti; discovered and described dozens of new species
 

 



Photo & © copyright by Süleyman Demir Turkey 


Photo & © copyright by Süleyman Demir Turkey 



 

Cactuspedia home | E-mail | Photo gallery | Dictionary | Search 

This old page has been moved! Click the link next on the right to enter the new Enciclopedia of Cacti. We hope you find this new site informative and useful.

The Encyclopedia of Cacti