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. Gail Santini asked question Help ID this yellow phal. in category General Discussion
  2. Debra Johnson asked question Cattleya Alliance Members in category General Discussion
  3. Key Stage asked question Paph Harry Stage in category General Discussion
  4. Chris Tyrie asked question Plants for sale in category General Discussion
  5. Peter Collis asked question Parentage of Vandachostylis Conference Gold in category General Discussion

New Comments

  1. Pam Lipscomb commented on member plant Eny. Exotic Seashell by Steven Kirincich
  2. Pam Lipscomb commented on member plant Lc. Little Oliver by Steven Kirincich
  3. Susan LE commented on topic "Paph Harry Stage" by Key Stage
  4. Susan LE commented on scheduled event "Tamiami International Orchid Festival" by Miami Orchid Society
  5. Susan LE commented on article "Orchid Wiz - what will we do without you?" by Carol Holdren
  6. Susan LE commented on member plant Coel. rochussenii 'Waki' by Melvin Waki
  7. Susan LE commented on member plant Bsn. Maikai var. Louise by Sandi Block-Brezner
  8. Susan LE commented on member plant Rlc. Beauty Girl by Blanca Acosta
  9. Mary Lane commented on member plant Den. lindleyi by Mary Lane
  10. António Almeida commented on article "Angraecum Culture with Semi-Hydroponic Techniques" by Tom Kuligowski