Showing posts with label Vieques. Show all posts
Showing posts with label Vieques. Show all posts

Wednesday, August 7, 2013

A yellow Epidendrum ciliare and an apparently fearsome night visitor


In January, I was in St. Croix and had the opportunity to see the wonderful orchid collection of Edna Hamilton, the President of the St. Croix Orchid society.  There I saw several plants of Epidendrum ciliare.  One of the plants has the peculiarity that its petals and sepals are not green as they are in the typical Epi. ciliare plant.  In this flower, which originated in Vieques, the floral segments are yellow.   At night these flowers are wonderfully fragrant.  It was nighttime when, as I was talking with Edna, I noticed a flash of bright red color moving among the flowers of this orchid.   Initially it appeared like a tarantula wasp was in the flower.  Edna was less than enthused with the insect, and with good reason, tarantula wasps can deliver one of the most painful stings in the insect world, only the bullet ant can deliver worse.  It has been described as "inmediate, excruciating pain that simply shuts down one's ability do to anything, except perhaps, scream.  Mental discipline simply does not work in these situations," - Justin Schmidt (see Schmidt pain Index).  But as I looked closely at the insect I realized that the "tarantula wasp" was in fact a moth. The mimicry was pretty good but the body proportions of the insect revealed that it was a deception.  The moth moved over the flower for a few moments and then left.




Tuesday, August 6, 2013

Psychilis macconelliae, a comparison between a plant seen in Puerto Rico and those seen in St. Croix.


In the above picture you can see a plant of Psychilis macconnlliae I photographed at an orchid show in Puerto Rico.  I have seen pink colored flowers like this in the island of Culebra, which is to the east of Puerto Rico.  When I visited St. Croix early in 2013, I found the Psychilis macconnelliae differed in color from those in Puerto Rico.  Particularly the sepals and petals had a different color from those that I have seen in Puerto Rico.  


The difference is interesting, however it has to be noted that the plants that usually show up at orchid shows sometimes are not typical representatives of the species. Orchid growers have a clear preference for strickingly colored forms and unusual plants and as a result  of this, the cultivated strains of certain species hardly bear even a passing resemblace to the average plant of the same species in the wild.  Hopefully in the future I will be able to visit Culebra and Vieques and take photos of Psy. macconnelliae in the wild.