Leonhard Rauwolf. Leonhard Rauwolf (also spelled Leonhart Rauwolff) (21 June 1535 – 15 September 1596) was a German physician, botanist, and traveller.
His main notability arises from a trip he made through the Levant and Mesopotamia in 1573-75. The motive of the trip was to search for herbal medicine supplies. Shortly after he returned, he published a set of new botanical descriptions with an herbarium. Later he published a general travel narrative about his visit. Early years[edit] Equisetum. A superficially similar but entirely unrelated flowering plant genus, mare's tail (Hippuris), is occasionally misidentified as "horsetail".
It has been suggested that the pattern of spacing of nodes in horsetails, wherein those toward the apex of the shoot are increasingly close together, inspired John Napier to discover logarithms.[4] Etymology[edit] The name "horsetail", often used for the entire group, arose because the branched species somewhat resemble a horse's tail. PLANTS. The Linnean Society of London.
Flowers. Trees.