The Orchid Doctor Articles under the Heading Orchids

Orchids Comments
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: International Trade 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 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

New Topics

  1. Robert H. Findlay asked question Help with ID of this Eria sp. in category General Discussion
  2. Osura Mindula Gunasena asked question Help to Identify the Id of this Vanda in category General Discussion
  3. Maricarmen Ferreira asked question Care for Myl Quest Fanguito in category General Discussion
  4. Polina Alexander asked question Looking for Doritaenopsis Happy Valentine in category General Discussion
  5. Debbie Chase asked question Head on Shot to be Identified in category General Discussion

New Comments

  1. Robert H. Findlay commented on topic "Help with ID of this Eria sp." by Robert H. Findlay
  2. John Small commented on topic "Lady Bug or dangerous bug" by John Small
  3. Carol Holdren commented on topic "Help to Identify the Id of this Vanda" by Osura Mindula Gunasena
  4. Carol Holdren commented on topic "Care for Myl Quest Fanguito " by Maricarmen Ferreira
  5. Roberto Lizama commented on topic "Help to idenficate this orchid" by Roberto Lizama
  6. Mark Ashworth commented on topic "Orchid species search" by Mark Ashworth
  7. Debbie Chase commented on topic "Head on Shot to be Identified" by Debbie Chase
  8. Carol Holdren commented on member plant Phal. Liu's Cute Angel by Mo Chen
  9. Mo Chen commented on member plant Holc. flavescens by Mo Chen
  10. Carol Holdren commented on topic "Identify Orchid" by Debbie Chase