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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.
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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.
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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):
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Family:
Cactaceae (Cactus
Family)
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Basionym: Coryphantha laui
Bremer, L.
In: Cact. Succ. J. US (Los Angeles) 51: 278.
1979
Accepted
Scientific name: 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
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Photo &
© copyright
by Süleyman Demir Turkey
Photo &
© copyright
by Süleyman Demir Turkey
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