ORCHIDS: International Trade

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

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Its control through international cooperation; history; CITES and how it is implemented in Australia and elsewhere; documentation; protected species listed; progress reported; refer to AU84-252
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ORCHIDS: Description They are monocotyledons, the flowers have three sepals, two of which may combine to form a large dorsal sepal as in paphiopedilums, and three petals, two of which are alike and one modified into a labellum or a pouch; the really unique feature is fleshy column bearing the reproductive organs; most anthers are reduced to one which is fused into the structure with one stigma; pollen grains are fused to form platelets called pollinia. A65-438 0
ORCHIDS: Largest It is GrammatophyHum wallissii and the clone 'Burnham' is listed as such in Guiness Book of records. AU85(4)-38 relationship with insects = in addition to aspects of pollination, there are other symbiotic ties as in the quest for food; pseudo-copulation; antagonistic imitation (for instance, mistaken for rival bees) mimicry; symbiosis, especially with ants. Ca81(3)- 14 0
ORCHIDS: Leafless, Listed For the names and some cultural remarks, refer to Orquideoiogia (Colombia) 1982, 227 0
ORCHIDS: Starting Your Own Hybrids Start with a plan, learn the mechanics of pollenization, remov ing the pod, flasking, etc., all briefly noted. OD87-61 0
ORCHIDS: Symbiosis with Fungi They exchange vitamins and parts of their molecules; seeds release para-aminobenzoic acid and thiamine, at least the thiazole moiety, providing vitamins to the fungi; Rhizoctona fungus releases niacin (nicotinic acid) and may also provide pyramidine half of thiamine, which orchids cannot make themselves but seem to benefit from. OR74-342 0
ORCHIDS: What They Are and What They Do An overview of the family with all their many remarkable features highlighted in the inimitable Dunsterville style. A86-604 0

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