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  [Aroid-l] Schismatoglottis species
From: botanist at malesiana.com (Peter Boyce) on 2008.06.16 at 00:41:49(17846)
Hi Leyland,

Is this an different species from Burle-Marx to the one that I commented on
the othert day? If yes, then this is certainly a member of the calyptrata
group but without an inflorescence and spadix details I cannot go any
further; it might be any one of three species. In particular need to see the
whole spadix and the spathe as it goes hrough senescence in the inter floral
period between female and male anthesis.

Malesiana Tropicals will be offering, probably via Agri-Starts, three
Schismatoglottis later this or early next year.

We are just beginning to begin to try to get a lot of Schismatoglottis into
t/c as part of our bioconservation project. Although we won't be
commercializing in the manner that MT, we are hoipng to at least get a few
dozen species into culture and do some preliminary assessments of
cultivation potentials.

Many of the most spectacular Schismatoglottis are from highly acidic
shale-derived soils. We have found that with the exception of a few
limestone-obliagates all need an acidic mix (pH 4.5 - 6) with a mineral soil
in which is a fair proportion of humus and sand. We use 4:2:1 red top soils
(from the Terat series here in Sarawak) that are sceened through 5 mm
screen: commercially well composted sawit (oil palm waste) into which is
incorporated a mycrorrhizal additive: washed river sand.

Our concession to lmestone is to use a 1 cm limestone (dolomitic) chipping
as a top dressing. We are just beginning to experiment with using
leaf-litter as a top dressing, adding a thin layer of leaves every two weeks
and attempting to replicate the stratigraphic decomposition of the leaves
and encourage a build up of beneficial mycrorrhiza. For this last it is
early days but based on what we observed in West Malaysia a while ago we are
rather optimistic.

Very best

Peter

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