Here are two pictures of my Cattleya Undine alba which is in flowers at present. This is a remake of the Cattleya Undine (registered at the RHS in 1906) obtained by crossing the alba forms. Flowers diameter 11 cm, plant hight 26 cm. This one is cultivated in a substrate made of 70% medium bark and 30% CHC and a little bit coarse turf.
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All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring