The International Odontoglossum Alliance Newsletter Volume 1 ________________________________________________________________________Summer 2018 In This Issue Odontoglossum vs Oncidium by Stig Dalström Pages 1-16 Vuyls. Mem.Mary Kavanaugh 4n x Oda Charlesworthii 4N by Andy Easton Page 17 Hybridizing Notes by Andy Easton Pages 18-20 Support the International Odontoglossum Alliance by John Miller Page 21 Letter from Peter Sander Page 22 Upcoming Events - Save the Date Page 22 President’s Message by Robert Hamilton Page 23 Announcing the Establishment of the new IOA Website Page 24 ODONTOGLOSSUM VS ONCIDIUM Stig Dalström 2304 Ringling Boulevard, unit 119, Sarasota FL 34237, USA Lankester Botanical Garden, University of Costa Rica, Cartago, Costa Rica National Biodiversity Centre, Serbithang, Bhutan
[email protected]; www.wildorchidman.com Dear Fellow Odontoglossum lovers, Let’s say you have an unidentified plant in front of you, alive or dried, and that you have used the keys You, I, John Lindley and many others have asked to Oncidiinae provided in Genera Orchidacearum 5 the same question over the years: How do we dis- (or worked it out in some other way), and you have tinguish Odontoglossum from Oncidium? The sim- reached the conclusion that it belongs in the Oncid- ple answer is that we need to use morphology in ium sensu lato complex (including Odontoglossum combination with any other available features and at this stage). data. Molecular research has shown us that they be- long to different branches/clades in the evolution- First question: Do you really know that it was wild- ary tree, so they really are “different” and therefore collected and not brought up in a nursery? Could it it would be desirable to be able to tell them apart.