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Sedum cremnophilum R.
T. Clausen
1943
Synonyms: Cremnophila nutans- Dr. J. N.
Rose 1905
Sedum nutans- Dr.
J. N. Rose 1903
Location: S. cremnophilum- On cliffs near Morelos, Sierra Madre, Mexico.
A highly succulent perennial with massive leaves on a short stem, very
slow growing except when the inflorescence is developing.
The 10 - 25 cm long trailing flower stems grow surprisingly quickly
compared with the shoots.
Each
lateral spike bears many pale yellow, densely packed, flowers each up
to 14 mm Ø.
The
natural environment is probably dry, windy and stony in
clefts at 1800 - 2300 metres. Any successful cultural environment should
reflect this.
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CULTIVATION: is fairly easy using a well drained, low nitrogen compost.
Maximum light right up to the glasshouse roof is best suited. In the
growing season water when the roots are almost dry, less or none in
the winter
in a very dry atmosphere in good light at 4ºC minimum.
Very good air circulation is important to prevent condensation on the
leaves and stems.
Re pot every 2/3 years using a poor, high potash compost with a little
slow release fertiliser.
PROPAGATION: not yet known but I have been experimenting with leaves,
in the propagator. 40% of which have started to produce plantlets.
Also I have cut up one of the flowering stems, which fell off the plant.
80% of these are producing plantlets in the leaf axils. This looks promising.
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