We have just returned from Tenerife where I discovered a number of new (to me) flowering trees. First, a stunning red blossomed tree with fern or frond-like leaves, on which the flowers look like a kind of red honeysuckle. In fact they are not related. This is the Delonix regia, flame tree or Royal Poinciana, a native of Madagascar but found in tropical and semi-tropical areas. It is a member of the bean family or Fabaceae so it will be related to tonka beans, sweet pea and acacia. Other trees that we noticed were a yellow blossom similar to the above which is an acacia. And two types of oleander,…